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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec 18 Nov 2022 U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system, United States

Text

Entity

entityName WAFD, INC.
Cik 936528
Form 10-K
Filed 2022-11-18
Fp FY
Fy 2022
Accn 0000936528-22-000143

Facts up to 2022-11-17

Description Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Fact EntityCommonStockSharesOutstanding
Label Entity Common Stock, Shares Outstanding
Taxonomy dei
Unit shares
Val 65,309,580

Facts up to 2022-09-30

  1. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 683,965,000
  2. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Label Earnings Per Share, Diluted
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 3.39
  3. Description Weighted average grant-date fair value of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 5.07
  4. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 63,707,000
  5. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 594,589,000
  6. Description Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact PreferredStockValue
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 300,000,000
  7. Description The fair value of assets acquired in noncash investing or financing activities.
    Fact FairValueOfAssetsAcquired
    Label Fair Value of Assets Acquired
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 577,000
  8. Description Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.
    Fact OperatingLeasePayments
    Label Operating Lease, Payments
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,788,000
  9. Description The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.
    Fact IncreaseDecreaseInDeposits
    Label Increase (Decrease) in Deposits
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 487,458,000
  10. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearThree
    Frame CY2022Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Three
    Taxonomy us-gaap
    Unit USD
    Val 872,000
  11. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 303,457,000
  12. Description Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
    Fact OperatingLeaseCost
    Label Operating Lease, Cost
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,654,000
  13. Description Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 30.24
  14. Description Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  15. Description Present value of lessee's discounted obligation for lease payments from operating lease.
    Fact OperatingLeaseLiability
    Label Operating Lease, Liability
    Taxonomy us-gaap
    Unit USD
    Val 27,974,000
  16. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -17,304,000
  17. Description Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
    Label Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain
    Taxonomy us-gaap
    Unit USD
    Val 22,000
  18. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fact PaymentsToAcquireHeldToMaturitySecurities
    Label Payments to Acquire Held-to-maturity Securities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 195,357,000
  19. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Frame CY2022
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,647,000
  20. Description Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.
    Fact AdditionalPaidInCapitalCommonStock
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 1,686,975,000
  21. Description Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.
    Fact RealEstateHeldforsale
    Label Real Estate Held-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 6,667,000
  22. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 23,000
  23. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 817,855,000
  24. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearFour
    Frame CY2022Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Four
    Taxonomy us-gaap
    Unit USD
    Val 829,000
  25. Description Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 13,714,000
  26. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 9,531,000
  27. Description Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
    Fact RevenueFromContractWithCustomerExcludingAssessedTax
    Label Revenue from Contract with Customer, Excluding Assessed Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 25,942,000
  28. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Label Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 95,326,000
  29. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,253,000
  30. Description Amount, before allowance for credit loss and fee, of financing receivable. Excludes financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableBeforeAllowanceForCreditLossAndFee
    Label Financing Receivable, before Allowance for Credit Loss and Fee
    Taxonomy us-gaap
    Unit USD
    Val 19,384,959,000
  31. Fact DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 2,162,737,000
  32. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  33. Description Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.
    Fact CashCollateralForBorrowedSecurities
    Label Cash Collateral for Borrowed Securities
    Taxonomy us-gaap
    Unit USD
    Val 284,400,000
  34. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths
    Frame CY2022Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year One
    Taxonomy us-gaap
    Unit USD
    Val 955,000
  35. Description Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 113,008,000
  36. Description Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.
    Fact InterestExpenseDemandDepositAccounts
    Label Interest Expense, Demand Deposit Accounts
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,086,000
  37. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fact TreasuryStockShares
    Frame CY2022Q3I
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 70,940,760
  38. Description Percentage employer matches of the employee's percentage contribution matched.
    Fact DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
    Frame CY2022
    Label Defined Contribution Plan, Employer Matching Contribution, Percent of Match
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 1
  39. Description Aggregate dividends paid during the period for each share of preferred stock outstanding.
    Fact PreferredStockDividendsPerShareCashPaid
    Label Preferred Stock, Dividends, Per Share, Cash Paid
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 48.75
  40. Fact FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 16,113,564,000
  41. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fact DividendsPreferredStock
    Label Dividends, Preferred Stock
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,625,000
  42. Description The weighted average interest rate for domestic time deposit liabilities.
    Fact WeightedAverageRateDomesticDepositTimeDeposits
    Label Weighted Average Rate Domestic Deposit, Time Deposits
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  43. Description Weighted average price at which option holders acquired shares when converting their stock options into shares.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 28.16
  44. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 221,705,000
  45. Description Weighted average grant-date fair value of non-vested options forfeited.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 5.02
  46. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Label Interest Expense, Borrowings
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 28,729,000
  47. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 11,790,000
  48. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 45,890,000
  49. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AmortizationOfIntangibleAssets
    Label Amortization of Intangible Assets
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,010,000
  50. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 219,026,000
  51. Description Gross number of share options (or share units) granted during the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 352,043
  52. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves
    Taxonomy us-gaap
    Unit USD
    Val 329,000
  53. Description Amount of sublease income excluding finance and operating lease expense.
    Fact SubleaseIncome
    Label Sublease Income
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 358,000
  54. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsNet
    Label Finite-Lived Intangible Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 5,552,000
  55. Description Amount of lease cost recognized by lessee for lease contract.
    Fact LeaseCost
    Label Lease, Cost
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,833,000
  56. Description Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.
    Fact FeesAndCommissionsMortgageBankingAndServicing
    Label Fees and Commissions, Mortgage Banking and Servicing
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,168,000
  57. Description Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.
    Fact AccountsPayableAndOtherAccruedLiabilities
    Label Accounts Payable and Other Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 289,944,000
  58. Fact DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 463,299,000
  59. Description Carrying amount of accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate governmental agency or vendor on behalf of the borrower.
    Fact AdvancePaymentsByBorrowersForTaxesAndInsurance
    Label Advance Payments by Borrowers for Taxes and Insurance
    Taxonomy us-gaap
    Unit USD
    Val 50,051,000
  60. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentNet
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 243,062,000
  61. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  62. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.
    Fact DeferredTaxAssetsOther
    Label Deferred Tax Assets, Other
    Taxonomy us-gaap
    Unit USD
    Val 1,329,000
  63. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Frame CY2022
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,139,000
  64. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 591,589,000
  65. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
    Label Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 56,461,000
  66. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Label Labor and Related Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 193,917,000
  67. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securitized, pass-through debt securities collateralized by real estate mortgage loans.
    Fact InterestIncomeSecuritiesMortgageBacked
    Label Interest Income, Securities, Mortgage Backed
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 26,332,000
  68. Description Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.
    Fact GainLossOnDerivativeInstrumentsNetPretax
    Frame CY2022
    Label Gain (Loss) on Derivative Instruments, Net, Pretax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  69. Description Amount of assets classified as other.
    Fact OtherAssets
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 504,652,000
  70. Description Amount of noninterest-bearing domestic checking deposit liabilities.
    Fact NoninterestBearingDomesticDepositChecking
    Label Noninterest-bearing Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit USD
    Val 3,266,734,000
  71. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Label Noninterest Income
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 66,372,000
  72. Description Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  73. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo
    Frame CY2022Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Two
    Taxonomy us-gaap
    Unit USD
    Val 921,000
  74. Description Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.
    Fact DeferredTaxLiabilities
    Label Deferred Tax Liabilities, Net
    Taxonomy us-gaap
    Unit USD
    Val 6,225,000
  75. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 65,175,000
  76. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,187,000
  77. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, to be Paid, Year One
    Taxonomy us-gaap
    Unit USD
    Val 6,215,000
  78. Description Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.
    Fact IntangibleAssetsNetIncludingGoodwill
    Label Intangible Assets, Net (Including Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 309,009,000
  79. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,666,000
  80. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 300,037,000
  81. Description Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 31,805,000
  82. Description Amount of unrealized and realized gain (loss) on investment in debt and equity securities.
    Fact DebtAndEquitySecuritiesGainLoss
    Label Debt and Equity Securities, Gain (Loss)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 99,000
  83. Description Weighted average interest rate calculated over time for domestic deposit liability.
    Fact WeightedAverageRateInterestBearingDomesticDepositsOverTime
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, over Time
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  84. Description The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.
    Fact StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
    Frame CY2022Q3I
    Label Stock Repurchase Program, Number of Shares Authorized to be Repurchased
    Taxonomy us-gaap
    Unit shares
    Val 3,724,344
  85. Description Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableLoanInProcess
    Label Financing Receivable, Loan in Process
    Taxonomy us-gaap
    Unit USD
    Val 3,006,023,000
  86. Description Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.
    Fact BankOwnedLifeInsuranceIncome
    Label Bank Owned Life Insurance Income
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,549,000
  87. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 1,104,000
  88. Description The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.
    Fact RepaymentsOfDebt
    Label Repayments of Debt
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,940,000,000
  89. Description The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts.
    Fact InterestExpenseCustomerDeposits
    Label Interest Expense, Customer Deposits
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 43,041,000
  90. Description The weighted average interest rate for domestic savings deposit liabilities.
    Fact WeightedAverageRateDomesticDepositSavings
    Label Weighted Average Rate Domestic Deposit, Savings
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  91. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses
    Taxonomy us-gaap
    Unit USD
    Val 47,426,000
  92. Description Aggregate dividends paid during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareCashPaid
    Label Common Stock, Dividends, Per Share, Cash Paid
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.95
  93. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  94. Description Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.
    Fact InterestBearingDomesticDepositSavings
    Label Interest-bearing Domestic Deposit, Savings
    Taxonomy us-gaap
    Unit USD
    Val 1,059,093,000
  95. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fact AccruedInvestmentIncomeReceivable
    Label Accrued Investment Income Receivable
    Taxonomy us-gaap
    Unit USD
    Val 63,872,000
  96. Description Amount of increase in right-of-use asset obtained in exchange for operating lease liability.
    Fact RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
    Label Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,611,000
  97. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 145,974,000
  98. Description The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
    Fact PaymentsToAcquireBusinessesNetOfCashAcquired
    Label Payments to Acquire Businesses, Net of Cash Acquired
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  99. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 0
  100. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Label Current Income Tax Expense (Benefit)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 57,454,000
  101. Description The number of shares into which fully or partially vested stock options outstanding as of the balance sheet date can be currently converted under the option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber
    Frame CY2022Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
    Taxonomy us-gaap
    Unit shares
    Val 156,698
  102. Description Amount of time deposit liabilities, including certificates of deposit.
    Fact TimeDeposits
    Label Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 3,338,043,000
  103. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 20,772,131,000
  104. Description Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.
    Fact VariableLeaseCost
    Label Variable Lease, Cost
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,537,000
  105. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Label Information Technology and Data Processing
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 47,202,000
  106. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 666,359,000
  107. Description Amount of unamortized loan commitment, origination, and other fees (costs) and purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount
    Label Financing Receivable, Unamortized Loan Fee (Cost) and Purchase Premium (Discount)
    Taxonomy us-gaap
    Unit USD
    Val -92,564,000
  108. Description Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 30.06
  109. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,296,000
  110. Description Amount of interest-bearing domestic time deposits. Time deposits bear interest for a fixed, stated period of time and include certificate of deposits and individual retirement accounts.
    Fact InterestBearingDomesticDepositTimeDeposits
    Label Interest-bearing Domestic Deposit, Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 3,338,043,000
  111. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 56,461,000
  112. Description Amount of deferred tax liability attributable to taxable temporary differences from debt issuance costs.
    Fact DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts
    Label Deferred Tax Liabilities, Deferred Expense, Debt Issuance Costs
    Taxonomy us-gaap
    Unit USD
    Val 10,918,000
  113. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val 1,688,740,000
  114. Description Amount of the collateral pledged in support of federal home loan bank advances outstanding.
    Fact FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
    Label Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged
    Taxonomy us-gaap
    Unit USD
    Val 8,224,951,000
  115. Description Percentage of interest-bearing domestic savings deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsSavings
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Savings
    Taxonomy us-gaap
    Unit pure
    Val 0.07
  116. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearFour
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Four
    Taxonomy us-gaap
    Unit USD
    Val 3,732,000
  117. Description The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.
    Fact IncreaseDecreaseInAccruedInterestReceivableNet
    Label Increase (Decrease) in Accrued Interest Receivable, Net
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 13,236,000
  118. Fact FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 16,286,372,000
  119. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Label Interest and Fee Income, Loans and Leases
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 601,592,000
  120. Description Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at amortized cost (held-to-maturity).
    Fact DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss
    Label Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 1,108,000
  121. Description Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockIssuedDuringPeriodValueShareBasedCompensation
    Label Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,823,000
  122. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Label Gain (Loss) on Extinguishment of Debt
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  123. Description Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.
    Fact InvestmentsFairValueDisclosure
    Label Investments, Fair Value Disclosure
    Taxonomy us-gaap
    Unit USD
    Val 2,457,897,000
  124. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months
    Taxonomy us-gaap
    Unit USD
    Val 1,777,599,000
  125. Description Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.
    Fact DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
    Frame CY2022
    Label Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 1
  126. Description Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.
    Fact GainLossOnSaleOfPropertyPlantEquipment
    Label Gain (Loss) on Disposition of Property Plant Equipment
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -655,000
  127. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  128. Description Amount of increase (decrease) in accrued expenses, and obligations classified as other.
    Fact IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
    Label Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 65,774,000
  129. Description Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 105,697,000
  130. Description The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.
    Fact InterestExpenseTimeDeposits
    Label Interest Expense, Time Deposits
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 19,422,000
  131. Description Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockGrantedDuringPeriodValueSharebasedCompensation
    Label Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,808,000
  132. Description Sum of the carrying amounts as of the balance sheet date of all investments.
    Fact Investments
    Label Investments
    Taxonomy us-gaap
    Unit USD
    Val 2,626,036,000
  133. Description Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).
    Fact DeferredTaxLiabilitiesInvestments
    Label Deferred Tax Liabilities, Investments
    Taxonomy us-gaap
    Unit USD
    Val 5,323,000
  134. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsNet
    Label Deferred Tax Assets, Net of Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 65,872,000
  135. Description Number of non-vested options forfeited.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 178,380
  136. Description Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.
    Fact PaymentsOfDividendsCommonStock
    Label Payments of Ordinary Dividends, Common Stock
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 61,576,000
  137. Fact DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 463,299,000
  138. Description Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.
    Fact AdvancesFromFederalHomeLoanBanks
    Label Advances from Federal Home Loan Banks
    Taxonomy us-gaap
    Unit USD
    Val 2,125,000,000
  139. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Label Income Taxes Paid
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 35,098,000
  140. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -123,077,000
  141. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Label Current Federal Tax Expense (Benefit)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 50,854,000
  142. Description Amount of loan with fixed rate of interest.
    Fact LoansReceivableWithFixedRatesOfInterest1
    Frame CY2022Q3I
    Label Loans Receivable with Fixed Rates of Interest
    Taxonomy us-gaap
    Unit USD
    Val 10,357,336,000
  143. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,625,000
  144. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer
    Taxonomy us-gaap
    Unit USD
    Val 103,603,000
  145. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -2,493,164,000
  146. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Label Proceeds from Issuance of Long-term Debt
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,345,000,000
  147. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 58,041,000
  148. Description Amount of credit loss expense (reversal of expense) for financing receivable.
    Fact ProvisionForLoanLossesExpensed
    Frame CY2022
    Label Financing Receivable, Credit Loss, Expense (Reversal)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000,000
  149. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fact PreferredStockSharesAuthorized
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 5,000,000
  150. Description Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
    Fact GoodwillAcquiredDuringPeriod
    Label Goodwill, Acquired During Period
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  151. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 43,308,000
  152. Description Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
    Fact PreferredStockSharesOutstanding
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 300,000
  153. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 71,770,000
  154. Description Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.
    Fact FinitelivedIntangibleAssetsAcquired1
    Label Finite-lived Intangible Assets Acquired
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  155. Description Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.
    Fact OffBalanceSheetCreditLossLiability
    Label Off-Balance Sheet, Credit Loss, Liability
    Taxonomy us-gaap
    Unit USD
    Val 32,500,000
  156. Description Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.
    Fact DividendsPayableCurrentAndNoncurrent
    Label Dividends Payable
    Taxonomy us-gaap
    Unit USD
    Val 3,656,000
  157. Description Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.
    Fact AccruedIncomeTaxes
    Label Accrued Income Taxes
    Taxonomy us-gaap
    Unit USD
    Val 3,306,000
  158. Description Interest expense incurred on all savings account deposits.
    Fact InterestExpenseSavingsDeposits
    Label Interest Expense, Savings Deposits
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,377,000
  159. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 683,965,000
  160. Description Amount of lessee's undiscounted obligation for lease payment for operating lease due after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, to be Paid, after Year Five
    Taxonomy us-gaap
    Unit USD
    Val 7,783,000
  161. Description Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 433,000
  162. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,808,000
  163. Fact EquitySecuritiesFvNiCurrentAndNoncurrent
    Frame CY2022Q3I
    Taxonomy us-gaap
    Unit USD
    Val 41,476,000
  164. Description Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.
    Fact PreferredStockSharesIssued
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 300,000
  165. Description Number of options vested.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 223,387
  166. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesFairValue
    Label Debt Securities, Held-to-maturity, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 406,860,000
  167. Description The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  168. Description Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.
    Fact IncomeTaxReceivable
    Label Income Taxes Receivable
    Taxonomy us-gaap
    Unit USD
    Val 0
  169. Description Number of shares that have been repurchased during the period and are being held in treasury.
    Fact TreasuryStockSharesAcquired
    Label Treasury Stock, Shares, Acquired
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 92,774
  170. Description Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 99,294,000
  171. Description The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.
    Fact Deposits
    Label Deposits
    Taxonomy us-gaap
    Unit USD
    Val 16,029,570,000
  172. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
    Label Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss
    Taxonomy us-gaap
    Unit USD
    Val 56,461,000
  173. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Label Noninterest Income, Other Operating Income
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 33,163,000
  174. Description Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.
    Fact ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
    Label Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,823,000
  175. Description Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 1,308,000
  176. Description Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.
    Fact DeferredTaxLiabilitiesPropertyPlantAndEquipment
    Label Deferred Tax Liabilities, Property, Plant and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 20,132,000
  177. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.
    Fact TreasuryStockValueAcquiredCostMethod
    Label Treasury Stock, Value, Acquired, Cost Method
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,260,000
  178. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
    Label Federal Home Loan Bank, Advance, Maturity, Year One
    Taxonomy us-gaap
    Unit USD
    Val 2,025,000,000
  179. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 65,287,650
  180. Description The cash outflow associated with purchasing loans held for investment purposes during the period.
    Fact PaymentsToAcquireLoansHeldForInvestment
    Label Payments to Acquire Loans Held-for-investment
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 576,697,000
  181. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fact CommonStockSharesIssued
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 136,270,886
  182. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersDiluted
    Label Net Income (Loss) Available to Common Stockholders, Diluted
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 221,705,000
  183. Description The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  184. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 7.18
  185. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Label Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 510,156,000
  186. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fact Liabilities
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 18,497,871,000
  187. Description Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentGross
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 389,036,000
  188. Description Number of share options (or share units) exercised during the current period.
    Fact StockIssuedDuringPeriodSharesStockOptionsExercised
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 64,415
  189. Description Amount of interest-bearing domestic checking deposit liabilities.
    Fact InterestBearingDomesticDepositChecking
    Label Interest-bearing Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit USD
    Val 3,497,795,000
  190. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact Assets
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 20,772,131,000
  191. Description Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease.
    Fact LesseeOperatingLeaseLiabilityUndiscountedExcessAmount
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, Undiscounted Excess Amount
    Taxonomy us-gaap
    Unit USD
    Val 2,721,000
  192. Description Amount of loan with variable or adjustable rate of interest.
    Fact LoansReceivableWithVariableRatesOfInterest1
    Frame CY2022Q3I
    Label Loans Receivable with Variable Rates of Interest
    Taxonomy us-gaap
    Unit USD
    Val 5,929,036,000
  193. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Label Earnings Per Share, Basic
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 3.4
  194. Description The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 180,343
  195. Description Amount of interest-bearing domestic money market demand account deposit liabilities.
    Fact InterestBearingDomesticDepositMoneyMarket
    Label Interest-bearing Domestic Deposit, Money Market
    Taxonomy us-gaap
    Unit USD
    Val 4,867,905,000
  196. Fact FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
    Taxonomy us-gaap
    Unit USD
    Val 172,808,000
  197. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 236,330,000
  198. Description The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.
    Fact GainLossOnSaleOfInvestments
    Label Gain (Loss) on Sale of Investments
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 99,000
  199. Description Amount of operating lease expense. Excludes sublease income.
    Fact OperatingLeaseExpense
    Label Operating Lease, Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,191,000
  200. Description Percentage of interest-bearing domestic time deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Time Deposits
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  201. Description Weighted average discount rate for operating lease calculated at point in time.
    Fact OperatingLeaseWeightedAverageDiscountRatePercent
    Frame CY2022Q3I
    Label Operating Lease, Weighted Average Discount Rate, Percent
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  202. Description The maximum balance outstanding at any month end during the period as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End
    Taxonomy us-gaap
    Unit USD
    Val 2,125,000,000
  203. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fact TreasuryStockValue
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 1,590,207,000
  204. Description Amount of financing receivable modified as troubled debt restructuring.
    Fact FinancingReceivableModificationsRecordedInvestment
    Frame CY2022Q3I
    Label Financing Receivable, Troubled Debt Restructuring
    Taxonomy us-gaap
    Unit USD
    Val 56,817,000
  205. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,260,000
  206. Description Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss
    Label Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 5,694,000
  207. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in second fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearTwo
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Two
    Taxonomy us-gaap
    Unit USD
    Val 5,503,000
  208. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.
    Fact ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
    Label Proceeds from Issuance of Preferred Stock and Preference Stock
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  209. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 405,166,000
  210. Description Percentage of interest-bearing domestic money market demand account deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Money Market
    Taxonomy us-gaap
    Unit pure
    Val 0.30
  211. Description The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.
    Fact IncreaseDecreaseInIncomeTaxesReceivable
    Label Increase (Decrease) in Income Taxes Receivable
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -3,877,000
  212. Description Number of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
    Taxonomy us-gaap
    Unit shares
    Val 981,410
  213. Description The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.
    Fact BankOwnedLifeInsurance
    Label Bank Owned Life Insurance
    Taxonomy us-gaap
    Unit USD
    Val 237,931,000
  214. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 358,575,000
  215. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2021-10-01
    Taxonomy us-gaap
    Unit shares
    Val 65,404,110
  216. Description Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.
    Fact ProceedsFromLifeInsurancePolicies
    Label Proceeds from Life Insurance Policy
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,266,000
  217. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fact DividendsCommonStockCash
    Label Dividends, Common Stock, Cash
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 61,576,000
  218. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
    Taxonomy us-gaap
    Unit USD
    Val 2,636,000
  219. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -76,000
  220. Description Maximum amount the employee may contribute to a defined contribution plan.
    Fact DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount
    Frame CY2022
    Label Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 61,000
  221. Description Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,406,844,000
  222. Description The weighted average interest rate for domestic checking deposit liabilities.
    Fact WeightedAverageRateDomesticDepositChecking
    Label Weighted Average Rate Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  223. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val -0.02
  224. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 2,274,260,000
  225. Description Number of options outstanding, including both vested and non-vested options.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 1,137,608
  226. Description Amount of lessee's right to use underlying asset under operating lease.
    Fact OperatingLeaseRightOfUseAsset
    Label Operating Lease, Right-of-Use Asset
    Taxonomy us-gaap
    Unit USD
    Val 25,546,000
  227. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
    Label Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 405,166,000
  228. Description Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.
    Fact OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
    Label Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -123,001,000
  229. Description The amount of unfunded commitments for which the entity is obligated, to those certain investments for which net asset value per share is calculated (including by unit, membership interest, or other equity (ownership interest) unit measure) (alternative investments).
    Fact FairValueInvestmentsEntitiesThatCalculateNetAssetValuePerShareUnfundedCommittments
    Frame CY2022Q3I
    Label Fair Value, Investments, Entities that Calculate Net Asset Value Per Share, Unfunded Commitments
    Taxonomy us-gaap
    Unit USD
    Val 7,511,000
  230. Description Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.
    Fact DeferredTaxLiabilitiesLeasingArrangements
    Label Deferred Tax Liabilities, Leasing Arrangements
    Taxonomy us-gaap
    Unit USD
    Val 5,992,000
  231. Description Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
    Label Proceeds from Sale of Debt Securities, Available-for-sale
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,020,000
  232. Description The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.
    Fact GainsLossesOnSalesOfOtherRealEstate
    Label Gains (Losses) on Sales of Other Real Estate
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 651,000
  233. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -934,000
  234. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact CommonStockValue
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 136,271,000
  235. Description Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1
    Frame CY2022Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 285,000
  236. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation
    Taxonomy us-gaap
    Unit USD
    Val 6,841,000
  237. Description Interest expense incurred on all money market deposits.
    Fact InterestExpenseMoneyMarketDeposits
    Label Interest Expense, Money Market Deposits
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 12,423,000
  238. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  239. Description Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.
    Fact FederalHomeLoanBankStockAndFederalReserveBankStock
    Frame CY2022Q3I
    Label Federal Home Loan Bank Stock and Federal Reserve Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 95,073,000
  240. Description Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact PaymentsToAcquireAvailableForSaleSecuritiesDebt
    Label Payments to Acquire Debt Securities, Available-for-sale
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 587,942,000
  241. Description Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  242. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 268,465,000
  243. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearFive
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Five
    Taxonomy us-gaap
    Unit USD
    Val 2,866,000
  244. Description Amount of deferred tax liability attributable to taxable temporary differences.
    Fact DeferredIncomeTaxLiabilities
    Label Deferred Tax Liabilities, Gross
    Taxonomy us-gaap
    Unit USD
    Val 72,097,000
  245. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fact AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 52,481,000
  246. Description Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
    Fact CommonStockSharesOutstanding
    Label Common Stock, Shares, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 65,330,126
  247. Description Weighted average interest rate calculated at point in time for domestic deposit liability.
    Fact WeightedAverageRateDomesticDeposit
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  248. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Label Occupancy, Net
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 42,499,000
  249. Description Percentage of financing receivable balance that is past due.
    Fact FinancingReceivablePercentPastDue1
    Label Financing Receivable, Percent Past Due
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  250. Description Amount of cost for defined contribution plan.
    Fact DefinedContributionPlanCostRecognized
    Label Defined Contribution Plan, Cost
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,559,000
  251. Description Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FiniteLivedIntangibleAssetsAmortizationExpenseYearFive
    Frame CY2022Q3I
    Label Finite-Lived Intangible Asset, Expected Amortization, Year Five
    Taxonomy us-gaap
    Unit USD
    Val 654,000
  252. Description Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 32.49
  253. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.
    Fact DebtSecuritiesAvailableForSaleUnrealizedLossPosition
    Label Debt Securities, Available-for-sale, Unrealized Loss Position
    Taxonomy us-gaap
    Unit USD
    Val 1,881,202,000
  254. Description The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.
    Fact ProceedsFromSaleOfPropertyPlantAndEquipment
    Label Proceeds from Sale of Property, Plant, and Equipment
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 41,000
  255. Description The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.
    Fact IncreaseDecreaseInAccruedIncomeTaxesPayable
    Label Increase (Decrease) in Income Taxes Payable
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,386,000
  256. Description Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 105,697,000
  257. Description Amount, after allowance for credit loss, of accrued interest on financing receivable.
    Fact FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss
    Label Financing Receivable, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 57,070,000
  258. Description Amount of increase (decrease) in prepayments received from borrowers for taxes and insurance remitted to the appropriate tax authority or insurer on behalf of the borrower.
    Fact IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance
    Label Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,035,000
  259. Description Amount of deferred tax liability attributable to taxable temporary differences classified as other.
    Fact DeferredTaxLiabilitiesOther
    Label Deferred Tax Liabilities, Other
    Taxonomy us-gaap
    Unit USD
    Val 4,141,000
  260. Description The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.
    Fact TangibleAssetImpairmentCharges
    Label Tangible Asset Impairment Charges
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  261. Description Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.
    Fact PaymentsOfDividendsPreferredStockAndPreferenceStock
    Label Payments of Ordinary Dividends, Preferred Stock and Preference Stock
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,625,000
  262. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Label Current State and Local Tax Expense (Benefit)
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,600,000
  263. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  264. Description Weighted average grant-date fair value of options vested.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 5.32
  265. Description Amount of lessee's undiscounted obligation for lease payment for operating lease to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact LesseeOperatingLeaseLiabilityPaymentsDueYearThree
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, to be Paid, Year Three
    Taxonomy us-gaap
    Unit USD
    Val 4,596,000
  266. Description Amount of lessee's undiscounted obligation for lease payment for operating lease.
    Fact LesseeOperatingLeaseLiabilityPaymentsDue
    Frame CY2022Q3I
    Label Lessee, Operating Lease, Liability, to be Paid
    Taxonomy us-gaap
    Unit USD
    Val 30,695,000
  267. Description Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.
    Fact DefinedContributionPlanEmployerMatchingContributionPercent
    Frame CY2022
    Label Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
    Start 2021-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  268. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 300,000,000
  269. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val -36,908,000
  270. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 100,146,000
  271. Description The weighted average interest rate for domestic money market demand account deposit liabilities.
    Fact WeightedAverageRateDomesticDepositMoneyMarket
    Label Weighted Average Rate Domestic Deposit, Money Market
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  272. Description Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.
    Fact FederalHomeLoanBankAdvancesLongTerm
    Label Long-term Federal Home Loan Bank Advances
    Taxonomy us-gaap
    Unit USD
    Val 2,125,000,000
  273. Description Percentage of interest-bearing domestic checking demand deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsChecking
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Checking
    Taxonomy us-gaap
    Unit pure
    Val 0.22
  274. Description The weighted-average price as of the balance sheet date at which grantees can acquire the shares reserved for issuance on vested portions of options outstanding and currently exercisable under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
    Frame CY2022Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 28.16
  275. Description Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
    Label Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 113,008,000
  276. Description The cash inflow associated with the sale of securities that had been designated as held-to-maturity. Excludes proceeds from maturities, prepayments and calls by the issuer.
    Fact ProceedsFromSaleOfHeldToMaturitySecurities
    Frame CY2022
    Label Proceeds from Sale of Held-to-maturity Securities
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  277. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,823,000
  278. Fact DebtSecuritiesAvailableForSaleExcludingAccruedInterest
    Taxonomy us-gaap
    Unit USD
    Val 2,051,037,000
  279. Description Early withdrawal penalties on domestic deposits which discourage customer withdrawal prior to maturity.
    Fact InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties
    Label Interest Expense Domestic Deposit Liabilities, Withdrawal Penalties
    Start 2021-10-01
    Taxonomy us-gaap
    Unit USD
    Val 267,000

Facts up to 2022-03-31

Description The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.
Fact EntityPublicFloat
Frame CY2022Q1I
Label Entity Public Float
Taxonomy dei
Unit USD
Val 2,111,858,464

Facts up to 2021-09-30

  1. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 2,090,809,000
  2. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Label Earnings Per Share, Diluted
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.39
  3. Description Weighted average grant-date fair value of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 4.39
  4. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Label Income Tax Expense (Benefit)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 49,523,000
  5. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 505,109,000
  6. Description Aggregate par or stated value of issued nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable preferred shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact PreferredStockValue
    Frame CY2021Q3I
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 300,000,000
  7. Description The fair value of assets acquired in noncash investing or financing activities.
    Fact FairValueOfAssetsAcquired
    Label Fair Value of Assets Acquired
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  8. Description Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use.
    Fact OperatingLeasePayments
    Frame CY2021
    Label Operating Lease, Payments
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,425,000
  9. Description The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.
    Fact IncreaseDecreaseInDeposits
    Label Increase (Decrease) in Deposits
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,762,488,000
  10. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 303,457,000
  11. Description Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability.
    Fact OperatingLeaseCost
    Frame CY2021
    Label Operating Lease, Cost
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,754,000
  12. Description Weighted average price at which grantees could have acquired the underlying shares with respect to stock options that were terminated.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
    Frame CY2021
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 29.05
  13. Description Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -3,245,000
  14. Description Present value of lessee's discounted obligation for lease payments from operating lease.
    Fact OperatingLeaseLiability
    Frame CY2021Q3I
    Label Operating Lease, Liability
    Taxonomy us-gaap
    Unit USD
    Val 29,569,000
  15. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 52,832,000
  16. Description Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain
    Taxonomy us-gaap
    Unit USD
    Val 13,522,000
  17. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fact PaymentsToAcquireHeldToMaturitySecurities
    Label Payments to Acquire Held-to-maturity Securities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  18. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Frame CY2021
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,770,000
  19. Description Value received from shareholders in common stock-related transactions that are in excess of par value or stated value and amounts received from other stock-related transactions. Includes only common stock transactions (excludes preferred stock transactions). May be called contributed capital, capital in excess of par, capital surplus, or paid-in capital.
    Fact AdditionalPaidInCapitalCommonStock
    Frame CY2021Q3I
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 1,678,622,000
  20. Description Carrying amount as of the balance sheet date of investments in land and buildings held for sale, excluding real estate considered to be inventory of the entity.
    Fact RealEstateHeldforsale
    Frame CY2021Q3I
    Label Real Estate Held-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 8,204,000
  21. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,000
  22. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 653,123,000
  23. Description Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 1,056,000
  24. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,368,000
  25. Description Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
    Fact RevenueFromContractWithCustomerExcludingAssessedTax
    Label Revenue from Contract with Customer, Excluding Assessed Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 24,686,000
  26. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Label Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 332,001,000
  27. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -9,881,000
  28. Description Amount, before allowance for credit loss and fee, of financing receivable. Excludes financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableBeforeAllowanceForCreditLossAndFee
    Frame CY2021Q3I
    Label Financing Receivable, before Allowance for Credit Loss and Fee
    Taxonomy us-gaap
    Unit USD
    Val 16,299,332,000
  29. Fact DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Frame CY2021Q3I
    Taxonomy us-gaap
    Unit USD
    Val 2,090,070,000
  30. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for 12 months or longer.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  31. Description Carrying amount as of the balance sheet date of cash collateral held for borrowed securities, for which the cash is restricted as to withdrawal or usage.
    Fact CashCollateralForBorrowedSecurities
    Frame CY2021Q3I
    Label Cash Collateral for Borrowed Securities
    Taxonomy us-gaap
    Unit USD
    Val 1,500,000
  32. Description Amount, before tax, of unrealized loss in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedLossBeforeTax
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 2,640,000
  33. Description Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.
    Fact InterestExpenseDemandDepositAccounts
    Label Interest Expense, Demand Deposit Accounts
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,545,000
  34. Description Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.
    Fact TreasuryStockShares
    Frame CY2021Q3I
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 70,847,986
  35. Description Aggregate dividends paid during the period for each share of preferred stock outstanding.
    Fact PreferredStockDividendsPerShareCashPaid
    Label Preferred Stock, Dividends, Per Share, Cash Paid
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 33.45
  36. Fact FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
    Frame CY2021Q3I
    Taxonomy us-gaap
    Unit USD
    Val 13,833,570,000
  37. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash, stock and payment-in-kind (PIK).
    Fact DividendsPreferredStock
    Label Dividends, Preferred Stock
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,034,000
  38. Description The weighted average interest rate for domestic time deposit liabilities.
    Fact WeightedAverageRateDomesticDepositTimeDeposits
    Frame CY2021Q3I
    Label Weighted Average Rate Domestic Deposit, Time Deposits
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  39. Description Weighted average price at which option holders acquired shares when converting their stock options into shares.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice
    Frame CY2021
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 17.06
  40. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 173,581,000
  41. Description Weighted average grant-date fair value of non-vested options forfeited.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 4.31
  42. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Label Interest Expense, Borrowings
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 44,188,000
  43. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 29,472,000
  44. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 41,133,000
  45. Description The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.
    Fact AmortizationOfIntangibleAssets
    Frame CY2021
    Label Amortization of Intangible Assets
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,387,000
  46. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 236,447,000
  47. Description Gross number of share options (or share units) granted during the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 0
  48. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves
    Frame CY2021Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves
    Taxonomy us-gaap
    Unit USD
    Val 173,000
  49. Description Amount of sublease income excluding finance and operating lease expense.
    Fact SubleaseIncome
    Frame CY2021
    Label Sublease Income
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 185,000
  50. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsNet
    Label Finite-Lived Intangible Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 6,562,000
  51. Description Amount of lease cost recognized by lessee for lease contract.
    Fact LeaseCost
    Frame CY2021
    Label Lease, Cost
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,664,000
  52. Description Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.
    Fact FeesAndCommissionsMortgageBankingAndServicing
    Label Fees and Commissions, Mortgage Banking and Servicing
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,899,000
  53. Description Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.
    Fact AccountsPayableAndOtherAccruedLiabilities
    Frame CY2021Q3I
    Label Accounts Payable and Other Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 215,382,000
  54. Fact DebtSecuritiesHeldToMaturityExcludingAccruedInterestAfterAllowanceForCreditLoss
    Frame CY2021Q3I
    Taxonomy us-gaap
    Unit USD
    Val 366,025,000
  55. Description Carrying amount of accumulated prepayments received by financial institutions from borrowers for taxes (for example, property taxes) and insurance (for example, property and catastrophe) which will periodically be remitted to the appropriate governmental agency or vendor on behalf of the borrower.
    Fact AdvancePaymentsByBorrowersForTaxesAndInsurance
    Frame CY2021Q3I
    Label Advance Payments by Borrowers for Taxes and Insurance
    Taxonomy us-gaap
    Unit USD
    Val 47,016,000
  56. Description Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentNet
    Frame CY2021Q3I
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 255,152,000
  57. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Frame CY2021Q3I
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  58. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.
    Fact DeferredTaxAssetsOther
    Frame CY2021Q3I
    Label Deferred Tax Assets, Other
    Taxonomy us-gaap
    Unit USD
    Val 4,525,000
  59. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Frame CY2021
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 425,000
  60. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 504,609,000
  61. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionAccumulatedLoss
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Unrealized Loss Position, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 0
  62. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Label Labor and Related Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 176,106,000
  63. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securitized, pass-through debt securities collateralized by real estate mortgage loans.
    Fact InterestIncomeSecuritiesMortgageBacked
    Label Interest Income, Securities, Mortgage Backed
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 24,708,000
  64. Description Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.
    Fact GainLossOnDerivativeInstrumentsNetPretax
    Frame CY2021
    Label Gain (Loss) on Derivative Instruments, Net, Pretax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  65. Description Amount of assets classified as other.
    Fact OtherAssets
    Frame CY2021Q3I
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 257,897,000
  66. Description Amount of noninterest-bearing domestic checking deposit liabilities.
    Fact NoninterestBearingDomesticDepositChecking
    Frame CY2021Q3I
    Label Noninterest-bearing Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit USD
    Val 3,122,397,000
  67. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Label Noninterest Income
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 60,561,000
  68. Description Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 5,330,000
  69. Description Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.
    Fact DeferredTaxLiabilities
    Frame CY2021Q3I
    Label Deferred Tax Liabilities, Net
    Taxonomy us-gaap
    Unit USD
    Val 6,192,000
  70. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 71,845,000
  71. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -8,468,000
  72. Description Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.
    Fact IntangibleAssetsNetIncludingGoodwill
    Label Intangible Assets, Net (Including Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 310,019,000
  73. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,171,000
  74. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 233,138,000
  75. Description Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 17,003,000
  76. Description Amount of unrealized and realized gain (loss) on investment in debt and equity securities.
    Fact DebtAndEquitySecuritiesGainLoss
    Label Debt and Equity Securities, Gain (Loss)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,000
  77. Description Weighted average interest rate calculated over time for domestic deposit liability.
    Fact WeightedAverageRateInterestBearingDomesticDepositsOverTime
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, over Time
    Start 2020-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  78. Description Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableLoanInProcess
    Frame CY2021Q3I
    Label Financing Receivable, Loan in Process
    Taxonomy us-gaap
    Unit USD
    Val 2,232,836,000
  79. Description Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.
    Fact BankOwnedLifeInsuranceIncome
    Label Bank Owned Life Insurance Income
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,514,000
  80. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
    Frame CY2021Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 1,080,000
  81. Description The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.
    Fact RepaymentsOfDebt
    Label Repayments of Debt
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,393,788,000
  82. Description The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts.
    Fact InterestExpenseCustomerDeposits
    Label Interest Expense, Customer Deposits
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 42,313,000
  83. Description The weighted average interest rate for domestic savings deposit liabilities.
    Fact WeightedAverageRateDomesticDepositSavings
    Frame CY2021Q3I
    Label Weighted Average Rate Domestic Deposit, Savings
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  84. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
    Frame CY2021Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses
    Taxonomy us-gaap
    Unit USD
    Val 45,724,000
  85. Description Aggregate dividends paid during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareCashPaid
    Label Common Stock, Dividends, Per Share, Cash Paid
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.91
  86. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Frame CY2021Q3I
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  87. Description Amount of interest-bearing domestic savings deposit liabilities. Saving deposits bear interest and have no stated maturity.
    Fact InterestBearingDomesticDepositSavings
    Frame CY2021Q3I
    Label Interest-bearing Domestic Deposit, Savings
    Taxonomy us-gaap
    Unit USD
    Val 1,039,336,000
  88. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fact AccruedInvestmentIncomeReceivable
    Frame CY2021Q3I
    Label Accrued Investment Income Receivable
    Taxonomy us-gaap
    Unit USD
    Val 50,636,000
  89. Description Amount of increase in right-of-use asset obtained in exchange for operating lease liability.
    Fact RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
    Frame CY2021
    Label Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,864,000
  90. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Frame CY2021Q3I
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 132,780,000
  91. Description The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
    Fact PaymentsToAcquireBusinessesNetOfCashAcquired
    Label Payments to Acquire Businesses, Net of Cash Acquired
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,500,000
  92. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for 12 months or longer.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAccumulatedLoss
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, 12 Months or Longer, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 0
  93. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Label Current Income Tax Expense (Benefit)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 59,404,000
  94. Description Amount of time deposit liabilities, including certificates of deposit.
    Fact TimeDeposits
    Frame CY2021Q3I
    Label Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 3,434,087,000
  95. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2021Q3I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 19,650,574,000
  96. Description Amount of variable lease cost, excluded from lease liability, recognized when obligation for payment is incurred for finance and operating leases.
    Fact VariableLeaseCost
    Frame CY2021
    Label Variable Lease, Cost
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,095,000
  97. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Label Information Technology and Data Processing
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 42,737,000
  98. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 591,610,000
  99. Description Amount of unamortized loan commitment, origination, and other fees (costs) and purchase premium (discount) on financing receivable. Excludes financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableUnamortizedLoanCommitmentOriginationFeeAndPremiumDiscount
    Frame CY2021Q3I
    Label Financing Receivable, Unamortized Loan Fee (Cost) and Purchase Premium (Discount)
    Taxonomy us-gaap
    Unit USD
    Val -61,626,000
  100. Description Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 29.14
  101. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,676,000
  102. Description Amount of interest-bearing domestic time deposits. Time deposits bear interest for a fixed, stated period of time and include certificate of deposits and individual retirement accounts.
    Fact InterestBearingDomesticDepositTimeDeposits
    Frame CY2021Q3I
    Label Interest-bearing Domestic Deposit, Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 3,434,087,000
  103. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity), in continuous loss position for less than 12 months.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 0
  104. Description Amount of deferred tax liability attributable to taxable temporary differences from debt issuance costs.
    Fact DeferredTaxLiabilitiesDeferredExpenseDeferredFinancingCosts
    Frame CY2021Q3I
    Label Deferred Tax Liabilities, Deferred Expense, Debt Issuance Costs
    Taxonomy us-gaap
    Unit USD
    Val 5,645,000
  105. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2021Q3I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val 1,528,611,000
  106. Description Amount of the collateral pledged in support of federal home loan bank advances outstanding.
    Fact FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
    Frame CY2021Q3I
    Label Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged
    Taxonomy us-gaap
    Unit USD
    Val 5,930,015,000
  107. Description Percentage of interest-bearing domestic savings deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsSavings
    Frame CY2021Q3I
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Savings
    Taxonomy us-gaap
    Unit pure
    Val 0.07
  108. Description The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.
    Fact IncreaseDecreaseInAccruedInterestReceivableNet
    Label Increase (Decrease) in Accrued Interest Receivable, Net
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -3,163,000
  109. Fact FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Frame CY2021Q3I
    Taxonomy us-gaap
    Unit USD
    Val 14,004,870,000
  110. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Label Interest and Fee Income, Loans and Leases
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 537,660,000
  111. Description Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at amortized cost (held-to-maturity).
    Fact DebtSecuritiesHeldToMaturityAccruedInterestAfterAllowanceForCreditLoss
    Frame CY2021Q3I
    Label Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 944,000
  112. Description Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockIssuedDuringPeriodValueShareBasedCompensation
    Label Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 339,000
  113. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Label Gain (Loss) on Extinguishment of Debt
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -13,788,000
  114. Description Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.
    Fact InvestmentsFairValueDisclosure
    Frame CY2021Q3I
    Label Investments, Fair Value Disclosure
    Taxonomy us-gaap
    Unit USD
    Val 2,517,806,000
  115. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12Months
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months
    Taxonomy us-gaap
    Unit USD
    Val 52,397,000
  116. Description Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.
    Fact GainLossOnSaleOfPropertyPlantEquipment
    Label Gain (Loss) on Disposition of Property Plant Equipment
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 593,000
  117. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2020-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  118. Description Amount of increase (decrease) in accrued expenses, and obligations classified as other.
    Fact IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
    Label Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -49,269,000
  119. Description Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 46,059,000
  120. Description The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.
    Fact InterestExpenseTimeDeposits
    Label Interest Expense, Time Deposits
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 27,100,000
  121. Description Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockGrantedDuringPeriodValueSharebasedCompensation
    Label Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,381,000
  122. Description Sum of the carrying amounts as of the balance sheet date of all investments.
    Fact Investments
    Frame CY2021Q3I
    Label Investments
    Taxonomy us-gaap
    Unit USD
    Val 2,456,095,000
  123. Description Amount of deferred tax liability attributable to taxable temporary differences from investments (excludes investments in subsidiaries and equity method investments).
    Fact DeferredTaxLiabilitiesInvestments
    Frame CY2021Q3I
    Label Deferred Tax Liabilities, Investments
    Taxonomy us-gaap
    Unit USD
    Val 2,982,000
  124. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsNet
    Frame CY2021Q3I
    Label Deferred Tax Assets, Net of Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 66,895,000
  125. Description Number of non-vested options forfeited.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 179,555
  126. Description Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.
    Fact PaymentsOfDividendsCommonStock
    Label Payments of Ordinary Dividends, Common Stock
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 65,876,000
  127. Fact DebtSecuritiesHeldToMaturityExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Frame CY2021Q3I
    Taxonomy us-gaap
    Unit USD
    Val 366,025,000
  128. Description Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.
    Fact AdvancesFromFederalHomeLoanBanks
    Frame CY2021Q3I
    Label Advances from Federal Home Loan Banks
    Taxonomy us-gaap
    Unit USD
    Val 1,720,000,000
  129. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Label Income Taxes Paid
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 47,854,000
  130. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,762,000
  131. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Label Current Federal Tax Expense (Benefit)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 53,820,000
  132. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,034,000
  133. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for more than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPosition12MonthsOrLonger
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, 12 Months or Longer
    Taxonomy us-gaap
    Unit USD
    Val 102,324,000
  134. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -579,745,000
  135. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Label Proceeds from Issuance of Long-term Debt
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,400,000,000
  136. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 45,352,000
  137. Description Amount of credit loss expense (reversal of expense) for financing receivable.
    Fact ProvisionForLoanLossesExpensed
    Frame CY2021
    Label Financing Receivable, Credit Loss, Expense (Reversal)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 500,000
  138. Description The maximum number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) permitted to be issued by an entity's charter and bylaws.
    Fact PreferredStockSharesAuthorized
    Frame CY2021Q3I
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 5,000,000
  139. Description Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
    Fact GoodwillAcquiredDuringPeriod
    Frame CY2021
    Label Goodwill, Acquired During Period
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 750,000
  140. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 42,511,000
  141. Description Aggregate share number for all nonredeemable preferred stock (or preferred stock redeemable solely at the option of the issuer) held by stockholders. Does not include preferred shares that have been repurchased.
    Fact PreferredStockSharesOutstanding
    Frame CY2021Q3I
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 300,000
  142. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 86,501,000
  143. Description Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.
    Fact FinitelivedIntangibleAssetsAcquired1
    Frame CY2021
    Label Finite-lived Intangible Assets Acquired
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 750,000
  144. Description Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.
    Fact OffBalanceSheetCreditLossLiability
    Frame CY2021Q3I
    Label Off-Balance Sheet, Credit Loss, Liability
    Taxonomy us-gaap
    Unit USD
    Val 27,500,000
  145. Description Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.
    Fact DividendsPayableCurrentAndNoncurrent
    Label Dividends Payable
    Taxonomy us-gaap
    Unit USD
    Val 3,656,000
  146. Description Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes.
    Fact AccruedIncomeTaxes
    Frame CY2021Q3I
    Label Accrued Income Taxes
    Taxonomy us-gaap
    Unit USD
    Val 0
  147. Description Interest expense incurred on all savings account deposits.
    Fact InterestExpenseSavingsDeposits
    Label Interest Expense, Savings Deposits
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,143,000
  148. Description Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.
    Fact CashAndCashEquivalentsAtCarryingValue
    Frame CY2021Q3I
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 2,090,809,000
  149. Description Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 276,000
  150. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,381,000
  151. Description Total number of nonredeemable preferred shares (or preferred stock redeemable solely at the option of the issuer) issued to shareholders (includes related preferred shares that were issued, repurchased, and remain in the treasury). May be all or portion of the number of preferred shares authorized. Excludes preferred shares that are classified as debt.
    Fact PreferredStockSharesIssued
    Frame CY2021Q3I
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 300,000
  152. Description Number of options vested.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 0
  153. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesFairValue
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 379,547,000
  154. Description The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  155. Description Carrying amount as of the balance sheet date of income taxes previously overpaid to tax authorities (such as U.S. Federal, state and local tax authorities) representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes. Also called income tax refund receivable.
    Fact IncomeTaxReceivable
    Frame CY2021Q3I
    Label Income Taxes Receivable
    Taxonomy us-gaap
    Unit USD
    Val 3,877,000
  156. Description Number of shares that have been repurchased during the period and are being held in treasury.
    Fact TreasuryStockSharesAcquired
    Frame CY2021
    Label Treasury Stock, Shares, Acquired
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 10,810,113
  157. Description Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for less than 12 months, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleContinuousUnrealizedLossPositionLessThan12MonthsAccumulatedLoss
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Continuous Unrealized Loss Position, Less than 12 Months, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 1,584,000
  158. Description The aggregate of all deposit liabilities held by the entity, including foreign and domestic, interest and noninterest bearing; may include demand deposits, saving deposits, Negotiable Order of Withdrawal (NOW) and time deposits among others.
    Fact Deposits
    Frame CY2021Q3I
    Label Deposits
    Taxonomy us-gaap
    Unit USD
    Val 15,542,112,000
  159. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss
    Taxonomy us-gaap
    Unit USD
    Val 0
  160. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Label Noninterest Income, Other Operating Income
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 28,640,000
  161. Description Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.
    Fact ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
    Label Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 339,000
  162. Description Amount, before tax, of unrealized gain in accumulated other comprehensive income (AOCI) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleDebtSecuritiesAccumulatedGrossUnrealizedGainBeforeTax
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 50,829,000
  163. Description Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.
    Fact DeferredTaxLiabilitiesPropertyPlantAndEquipment
    Frame CY2021Q3I
    Label Deferred Tax Liabilities, Property, Plant and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 21,426,000
  164. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.
    Fact TreasuryStockValueAcquiredCostMethod
    Label Treasury Stock, Value, Acquired, Cost Method
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 348,651,000
  165. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
    Frame CY2021Q3I
    Label Federal Home Loan Bank, Advance, Maturity, Year One
    Taxonomy us-gaap
    Unit USD
    Val 1,320,000,000
  166. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 72,529,188
  167. Description The cash outflow associated with purchasing loans held for investment purposes during the period.
    Fact PaymentsToAcquireLoansHeldForInvestment
    Label Payments to Acquire Loans Held-for-investment
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 488,147,000
  168. Description Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.
    Fact CommonStockSharesIssued
    Frame CY2021Q3I
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 135,993,254
  169. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersDiluted
    Label Net Income (Loss) Available to Common Stockholders, Diluted
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 173,581,000
  170. Description The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year
    Start 2020-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  171. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0
  172. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Label Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 646,532,000
  173. Description Sum of the carrying amounts as of the balance sheet date of all liabilities that are recognized. Liabilities are probable future sacrifices of economic benefits arising from present obligations of an entity to transfer assets or provide services to other entities in the future.
    Fact Liabilities
    Frame CY2021Q3I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 17,524,510,000
  174. Description Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentGross
    Frame CY2021Q3I
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 387,932,000
  175. Description Number of share options (or share units) exercised during the current period.
    Fact StockIssuedDuringPeriodSharesStockOptionsExercised
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 19,846
  176. Description Amount of interest-bearing domestic checking deposit liabilities.
    Fact InterestBearingDomesticDepositChecking
    Frame CY2021Q3I
    Label Interest-bearing Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit USD
    Val 3,566,322,000
  177. Description Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.
    Fact Assets
    Frame CY2021Q3I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 19,650,574,000
  178. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Label Earnings Per Share, Basic
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.39
  179. Description The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
    Frame CY2021
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 179,555
  180. Description Amount of interest-bearing domestic money market demand account deposit liabilities.
    Fact InterestBearingDomesticDepositMoneyMarket
    Frame CY2021Q3I
    Label Interest-bearing Domestic Deposit, Money Market
    Taxonomy us-gaap
    Unit USD
    Val 4,379,970,000
  181. Fact FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
    Taxonomy us-gaap
    Unit USD
    Val 171,300,000
  182. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Label Net Income (Loss) Attributable to Parent
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 183,615,000
  183. Description The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.
    Fact GainLossOnSaleOfInvestments
    Label Gain (Loss) on Sale of Investments
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,000
  184. Description Amount of operating lease expense. Excludes sublease income.
    Fact OperatingLeaseExpense
    Frame CY2021
    Label Operating Lease, Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,849,000
  185. Description Percentage of interest-bearing domestic time deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsTimeDeposits
    Frame CY2021Q3I
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Time Deposits
    Taxonomy us-gaap
    Unit pure
    Val 0.22
  186. Description The maximum balance outstanding at any month end during the period as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End
    Taxonomy us-gaap
    Unit USD
    Val 2,700,000,000
  187. Description The amount allocated to treasury stock. Treasury stock is common and preferred shares of an entity that were issued, repurchased by the entity, and are held in its treasury.
    Fact TreasuryStockValue
    Frame CY2021Q3I
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 1,586,947,000
  188. Description Amount of financing receivable modified as troubled debt restructuring.
    Fact FinancingReceivableModificationsRecordedInvestment
    Frame CY2021Q3I
    Label Financing Receivable, Troubled Debt Restructuring
    Taxonomy us-gaap
    Unit USD
    Val 65,128,000
  189. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 348,651,000
  190. Description Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact DebtSecuritiesAvailableForSaleAccruedInterestAfterAllowanceForCreditLoss
    Frame CY2021Q3I
    Label Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 3,459,000
  191. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.
    Fact ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
    Label Proceeds from Issuance of Preferred Stock and Preference Stock
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 293,325,000
  192. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in continuous unrealized loss position for less than 12 months.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Continuous Unrealized Loss Position, Less than 12 Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  193. Description Percentage of interest-bearing domestic money market demand account deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsMoneyMarket
    Frame CY2021Q3I
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Money Market
    Taxonomy us-gaap
    Unit pure
    Val 0.28
  194. Description The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.
    Fact IncreaseDecreaseInIncomeTaxesReceivable
    Label Increase (Decrease) in Income Taxes Receivable
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,831,000
  195. Description Number of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
    Taxonomy us-gaap
    Unit shares
    Val 1,031,134
  196. Description The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.
    Fact BankOwnedLifeInsurance
    Frame CY2021Q3I
    Label Bank Owned Life Insurance
    Taxonomy us-gaap
    Unit USD
    Val 233,263,000
  197. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 332,459,000
  198. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2020-10-01
    Taxonomy us-gaap
    Unit shares
    Val 72,565,920
  199. Description Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.
    Fact ProceedsFromLifeInsurancePolicies
    Label Proceeds from Life Insurance Policy
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  200. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fact DividendsCommonStockCash
    Label Dividends, Common Stock, Cash
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 65,876,000
  201. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from share-based compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCost
    Frame CY2021Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
    Taxonomy us-gaap
    Unit USD
    Val 2,508,000
  202. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -11,000
  203. Description Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 387,832,000
  204. Description The weighted average interest rate for domestic checking deposit liabilities.
    Fact WeightedAverageRateDomesticDepositChecking
    Frame CY2021Q3I
    Label Weighted Average Rate Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  205. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2020-10-01
    Taxonomy us-gaap
    Unit pure
    Val -0.02
  206. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 2,126,064,000
  207. Description Number of options outstanding, including both vested and non-vested options.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 1,030,323
  208. Description Amount of lessee's right to use underlying asset under operating lease.
    Fact OperatingLeaseRightOfUseAsset
    Frame CY2021Q3I
    Label Operating Lease, Right-of-Use Asset
    Taxonomy us-gaap
    Unit USD
    Val 27,785,000
  209. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity), in unrealized loss position.
    Fact HeldToMaturitySecuritiesContinuousUnrealizedLossPositionFairValue
    Frame CY2021Q3I
    Label Debt Securities, Held-to-maturity, Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  210. Description Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.
    Fact OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
    Label Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,773,000
  211. Description Amount of deferred tax liability attributable to taxable temporary differences from leasing arrangements.
    Fact DeferredTaxLiabilitiesLeasingArrangements
    Frame CY2021Q3I
    Label Deferred Tax Liabilities, Leasing Arrangements
    Taxonomy us-gaap
    Unit USD
    Val 6,249,000
  212. Description Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
    Label Proceeds from Sale of Debt Securities, Available-for-sale
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,499,000
  213. Description The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.
    Fact GainsLossesOnSalesOfOtherRealEstate
    Label Gains (Losses) on Sales of Other Real Estate
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 427,000
  214. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,413,000
  215. Description Aggregate par or stated value of issued nonredeemable common stock (or common stock redeemable solely at the option of the issuer). This item includes treasury stock repurchased by the entity. Note: elements for number of nonredeemable common shares, par value and other disclosure concepts are in another section within stockholders' equity.
    Fact CommonStockValue
    Frame CY2021Q3I
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 135,993,000
  216. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from employee compensation.
    Fact DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsEmployeeCompensation
    Frame CY2021Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Compensation
    Taxonomy us-gaap
    Unit USD
    Val 6,230,000
  217. Description Interest expense incurred on all money market deposits.
    Fact InterestExpenseMoneyMarketDeposits
    Label Interest Expense, Money Market Deposits
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,723,000
  218. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2020-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  219. Description Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.
    Fact FederalHomeLoanBankStockAndFederalReserveBankStock
    Frame CY2021Q3I
    Label Federal Home Loan Bank Stock and Federal Reserve Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 102,863,000
  220. Description Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact PaymentsToAcquireAvailableForSaleSecuritiesDebt
    Label Payments to Acquire Debt Securities, Available-for-sale
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 530,227,000
  221. Description Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,865,000
  222. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 314,454,000
  223. Description Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering.
    Fact StockIssuedDuringPeriodValueNewIssues
    Label Stock Issued During Period, Value, New Issues
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 293,325,000
  224. Description Amount of deferred tax liability attributable to taxable temporary differences.
    Fact DeferredIncomeTaxLiabilities
    Frame CY2021Q3I
    Label Deferred Tax Liabilities, Gross
    Taxonomy us-gaap
    Unit USD
    Val 73,087,000
  225. Description Accumulated change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.
    Fact AccumulatedOtherComprehensiveIncomeLossNetOfTax
    Frame CY2021Q3I
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 69,785,000
  226. Description Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
    Fact CommonStockSharesOutstanding
    Frame CY2021Q3I
    Label Common Stock, Shares, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 65,145,268
  227. Description Weighted average interest rate calculated at point in time for domestic deposit liability.
    Fact WeightedAverageRateDomesticDeposit
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  228. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Label Occupancy, Net
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 39,610,000
  229. Description Percentage of financing receivable balance that is past due.
    Fact FinancingReceivablePercentPastDue1
    Frame CY2021Q3I
    Label Financing Receivable, Percent Past Due
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  230. Description Amount of cost for defined contribution plan.
    Fact DefinedContributionPlanCostRecognized
    Label Defined Contribution Plan, Cost
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 9,905,000
  231. Description Weighted average per share amount at which grantees can acquire shares of common stock by exercise of options.
    Fact ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
    Frame CY2021
    Label Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0
  232. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position without allowance for credit loss.
    Fact DebtSecuritiesAvailableForSaleUnrealizedLossPosition
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Unrealized Loss Position
    Taxonomy us-gaap
    Unit USD
    Val 154,721,000
  233. Description The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.
    Fact ProceedsFromSaleOfPropertyPlantAndEquipment
    Label Proceeds from Sale of Property, Plant, and Equipment
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,376,000
  234. Description The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.
    Fact IncreaseDecreaseInAccruedIncomeTaxesPayable
    Label Increase (Decrease) in Income Taxes Payable
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -15,781,000
  235. Description Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 56,924,000
  236. Description Amount, after allowance for credit loss, of accrued interest on financing receivable.
    Fact FinancingReceivableAccruedInterestAfterAllowanceForCreditLoss
    Frame CY2021Q3I
    Label Financing Receivable, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 46,234,000
  237. Description Amount of increase (decrease) in prepayments received from borrowers for taxes and insurance remitted to the appropriate tax authority or insurer on behalf of the borrower.
    Fact IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance
    Label Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -2,446,000
  238. Description Amount of deferred tax liability attributable to taxable temporary differences classified as other.
    Fact DeferredTaxLiabilitiesOther
    Frame CY2021Q3I
    Label Deferred Tax Liabilities, Other
    Taxonomy us-gaap
    Unit USD
    Val 6,157,000
  239. Description The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.
    Fact TangibleAssetImpairmentCharges
    Label Tangible Asset Impairment Charges
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 944,000
  240. Description Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.
    Fact PaymentsOfDividendsPreferredStockAndPreferenceStock
    Label Payments of Ordinary Dividends, Preferred Stock and Preference Stock
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,378,000
  241. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Label Current State and Local Tax Expense (Benefit)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,584,000
  242. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2020-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  243. Description Weighted average grant-date fair value of options vested.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0
  244. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Frame CY2021Q3I
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 300,000,000
  245. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,020,000
  246. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val -155,599,000
  247. Description The weighted average interest rate for domestic money market demand account deposit liabilities.
    Fact WeightedAverageRateDomesticDepositMoneyMarket
    Frame CY2021Q3I
    Label Weighted Average Rate Domestic Deposit, Money Market
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  248. Description Including both current and noncurrent portions, Federal Home Loan Bank borrowings initially due beyond one year or beyond the normal operating cycle if longer.
    Fact FederalHomeLoanBankAdvancesLongTerm
    Frame CY2021Q3I
    Label Long-term Federal Home Loan Bank Advances
    Taxonomy us-gaap
    Unit USD
    Val 1,720,000,000
  249. Description Percentage of interest-bearing domestic checking demand deposit liabilities to total deposit liabilities.
    Fact PercentageOfInterestBearingDomesticDepositsToDepositsChecking
    Frame CY2021Q3I
    Label Percentage of Interest-bearing Domestic Deposits to Deposits, Checking
    Taxonomy us-gaap
    Unit pure
    Val 0.23
  250. Description Amount of accumulated unrealized loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset.
    Fact DebtSecuritiesAvailableForSaleUnrealizedLossPositionAccumulatedLoss
    Frame CY2021Q3I
    Label Debt Securities, Available-for-sale, Unrealized Loss Position, Accumulated Loss
    Taxonomy us-gaap
    Unit USD
    Val 2,640,000
  251. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 339,000
  252. Fact DebtSecuritiesAvailableForSaleExcludingAccruedInterest
    Frame CY2021Q3I
    Taxonomy us-gaap
    Unit USD
    Val 2,138,259,000
  253. Description Early withdrawal penalties on domestic deposits which discourage customer withdrawal prior to maturity.
    Fact InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties
    Label Interest Expense Domestic Deposit Liabilities, Withdrawal Penalties
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 198,000

Facts up to 2021-02-08

Description The percentage rate used to calculate dividend payments on preferred stock.
Fact PreferredStockDividendRatePercentage
Label Preferred Stock, Dividend Rate, Percentage
Taxonomy us-gaap
Unit pure
Val 0.05

Facts up to 2020-09-30

  1. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 1,702,977,000
  2. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Frame CY2020
    Label Earnings Per Share, Diluted
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.26
  3. Description Weighted average grant-date fair value of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 4.38
  4. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2020
    Label Income Tax Expense (Benefit)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 45,748,000
  5. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Frame CY2020
    Label Interest Income (Expense), Net
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 469,508,000
  6. Description The fair value of assets acquired in noncash investing or financing activities.
    Fact FairValueOfAssetsAcquired
    Frame CY2020
    Label Fair Value of Assets Acquired
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 359,000
  7. Description The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.
    Fact IncreaseDecreaseInDeposits
    Frame CY2020
    Label Increase (Decrease) in Deposits
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,788,860,000
  8. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Frame CY2020Q3I
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 302,707,000
  9. Description Amount of tax expense (benefit) for reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  10. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,661,000
  11. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fact PaymentsToAcquireHeldToMaturitySecurities
    Frame CY2020
    Label Payments to Acquire Held-to-maturity Securities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  12. Description Amount of tax expense (benefit) of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -3,456,000
  13. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Frame CY2020
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,038,198,000
  14. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Frame CY2020
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,939,000
  15. Description Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.
    Fact RevenueFromContractWithCustomerExcludingAssessedTax
    Frame CY2020
    Label Revenue from Contract with Customer, Excluding Assessed Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 23,691,000
  16. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Frame CY2020
    Label Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 356,532,000
  17. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Frame CY2020
    Label Deferred Income Tax Expense (Benefit)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -9,344,000
  18. Description Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.
    Fact InterestExpenseDemandDepositAccounts
    Frame CY2020
    Label Interest Expense, Demand Deposit Accounts
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,447,000
  19. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersBasic
    Frame CY2020
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 173,438,000
  20. Description Weighted average grant-date fair value of non-vested options forfeited.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue
    Frame CY2020
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Weighted Average Grant Date Fair Value
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 4.83
  21. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Frame CY2020
    Label Interest Expense, Borrowings
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 51,445,000
  22. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Frame CY2020
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 31,937,000
  23. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Frame CY2020
    Label Other Noninterest Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 47,541,000
  24. Description Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.
    Fact ComprehensiveIncomeNetOfTax
    Frame CY2020
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 175,099,000
  25. Description Gross number of share options (or share units) granted during the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
    Frame CY2020
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
    Start 2019-10-01
    Taxonomy us-gaap
    Unit shares
    Val 1,043,349
  26. Description Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.
    Fact FiniteLivedIntangibleAssetsNet
    Frame CY2020Q3I
    Label Finite-Lived Intangible Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 7,199,000
  27. Description Income from mortgage banking activities (fees and commissions) and servicing real estate mortgages, credit cards, and other financial assets held by others net of any related impairment of capitalized service costs. Also includes any premiums received in lieu of regular servicing fees on such loans only as earned over the life of the loans.
    Fact FeesAndCommissionsMortgageBankingAndServicing
    Frame CY2020
    Label Fees and Commissions, Mortgage Banking and Servicing
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,293,000
  28. Description Amount of interest income or expense, including any amortization and accretion (as applicable) of discounts and premiums, including consideration of the provisions for loan, lease, credit, and other related losses.
    Fact InterestIncomeExpenseAfterProvisionForLoanLoss
    Frame CY2020
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 447,758,000
  29. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Frame CY2020
    Label Labor and Related Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 147,596,000
  30. Description Amount of operating interest income, including amortization and accretion of premiums and discounts, on securitized, pass-through debt securities collateralized by real estate mortgage loans.
    Fact InterestIncomeSecuritiesMortgageBacked
    Frame CY2020
    Label Interest Income, Securities, Mortgage Backed
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 49,312,000
  31. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Frame CY2020
    Label Noninterest Income
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 86,960,000
  32. Description Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue
    Frame CY2020Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value
    Taxonomy us-gaap
    Unit USD
    Val 0
  33. Description Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.
    Fact InterestPaidNet
    Frame CY2020
    Label Interest Paid, Excluding Capitalized Interest, Operating Activities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 146,675,000
  34. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Frame CY2020
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -7,858,000
  35. Description Carrying amount of finite-lived intangible assets, indefinite-lived intangible assets and goodwill. Goodwill is an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Intangible assets are assets, not including financial assets, lacking physical substance.
    Fact IntangibleAssetsNetIncludingGoodwill
    Frame CY2020Q3I
    Label Intangible Assets, Net (Including Goodwill)
    Taxonomy us-gaap
    Unit USD
    Val 309,906,000
  36. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Frame CY2020
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,824,000
  37. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Frame CY2020
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 219,186,000
  38. Description Amount, before reclassification, of tax expense (benefit) for gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -2,204,000
  39. Description Amount of unrealized and realized gain (loss) on investment in debt and equity securities.
    Fact DebtAndEquitySecuritiesGainLoss
    Frame CY2020
    Label Debt and Equity Securities, Gain (Loss)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,028,000
  40. Description Weighted average interest rate calculated over time for domestic deposit liability.
    Fact WeightedAverageRateInterestBearingDomesticDepositsOverTime
    Frame CY2020
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, over Time
    Start 2019-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  41. Description Earnings on or other increases in the value of the cash surrender value of bank owned life insurance policies.
    Fact BankOwnedLifeInsuranceIncome
    Frame CY2020
    Label Bank Owned Life Insurance Income
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,673,000
  42. Description The cash outflow during the period from the repayment of aggregate short-term and long-term debt. Excludes payment of capital lease obligations.
    Fact RepaymentsOfDebt
    Frame CY2020
    Label Repayments of Debt
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,443,809,000
  43. Description The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts.
    Fact InterestExpenseCustomerDeposits
    Frame CY2020
    Label Interest Expense, Customer Deposits
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 100,312,000
  44. Description Aggregate dividends paid during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareCashPaid
    Frame CY2020
    Label Common Stock, Dividends, Per Share, Cash Paid
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.87
  45. Description The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.
    Fact PaymentsToAcquireBusinessesNetOfCashAcquired
    Frame CY2020
    Label Payments to Acquire Businesses, Net of Cash Acquired
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,810,000
  46. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Frame CY2020
    Label Current Income Tax Expense (Benefit)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 55,092,000
  47. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Frame CY2020
    Label Information Technology and Data Processing
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 52,902,000
  48. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Frame CY2020
    Label Interest and Dividend Income, Operating
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 621,265,000
  49. Description Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
    Frame CY2020Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 28.93
  50. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Frame CY2020
    Label Share-based Payment Arrangement, Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,344,000
  51. Description The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.
    Fact IncreaseDecreaseInAccruedInterestReceivableNet
    Frame CY2020
    Label Increase (Decrease) in Accrued Interest Receivable, Net
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,942,000
  52. Description The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases.
    Fact InterestAndFeeIncomeLoansAndLeases
    Frame CY2020
    Label Interest and Fee Income, Loans and Leases
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 545,708,000
  53. Description Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockIssuedDuringPeriodValueShareBasedCompensation
    Frame CY2020
    Label Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 144,000
  54. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Frame CY2020
    Label Gain (Loss) on Extinguishment of Debt
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -13,809,000
  55. Description Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property.
    Fact GainLossOnSaleOfPropertyPlantEquipment
    Frame CY2020
    Label Gain (Loss) on Disposition of Property Plant Equipment
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 31,990,000
  56. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Frame CY2020
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2019-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  57. Description Amount of increase (decrease) in accrued expenses, and obligations classified as other.
    Fact IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
    Frame CY2020
    Label Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 114,135,000
  58. Description Amount, after tax and reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -7,295,000
  59. Description The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.
    Fact InterestExpenseTimeDeposits
    Frame CY2020
    Label Interest Expense, Time Deposits
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 72,494,000
  60. Description Value, after forfeiture, of shares granted under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockGrantedDuringPeriodValueSharebasedCompensation
    Frame CY2020
    Label Shares Granted, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,469,000
  61. Description Number of non-vested options forfeited.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares
    Frame CY2020
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested Options Forfeited, Number of Shares
    Start 2019-10-01
    Taxonomy us-gaap
    Unit shares
    Val 125,827
  62. Description Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.
    Fact PaymentsOfDividendsCommonStock
    Frame CY2020
    Label Payments of Ordinary Dividends, Common Stock
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 66,496,000
  63. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Frame CY2020
    Label Income Taxes Paid
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 35,640,000
  64. Description Amount, after tax and before adjustment, of unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodNetOfTax
    Frame CY2020
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 20,528,000
  65. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Frame CY2020
    Label Current Federal Tax Expense (Benefit)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 49,782,000
  66. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Frame CY2020
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  67. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Frame CY2020
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -920,979,000
  68. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Frame CY2020
    Label Proceeds from Issuance of Long-term Debt
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,880,000,000
  69. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Frame CY2020
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 41,924,000
  70. Description Amount of credit loss expense (reversal of expense) for financing receivable.
    Fact ProvisionForLoanLossesExpensed
    Frame CY2020
    Label Financing Receivable, Credit Loss, Expense (Reversal)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 21,750,000
  71. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Frame CY2020
    Label Interest Expense, Deposits
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 100,851,000
  72. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2020
    Label Interest Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 151,757,000
  73. Description Interest expense incurred on all savings account deposits.
    Fact InterestExpenseSavingsDeposits
    Frame CY2020
    Label Interest Expense, Savings Deposits
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 959,000
  74. Description Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
    Frame CY2020
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 102,000
  75. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Frame CY2020
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,469,000
  76. Description Number of options vested.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares
    Frame CY2020
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Number of Shares
    Start 2019-10-01
    Taxonomy us-gaap
    Unit shares
    Val 0
  77. Description The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd
    Frame CY2020Q3I
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  78. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Frame CY2020
    Label Noninterest Income, Other Operating Income
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 54,757,000
  79. Description Amount of cash inflow from issuance of shares under share-based payment arrangement. Includes, but is not limited to, option exercised.
    Fact ProceedsFromIssuanceOfSharesUnderIncentiveAndShareBasedCompensationPlansIncludingStockOptions
    Frame CY2020
    Label Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 144,000
  80. Description Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.
    Fact TreasuryStockValueAcquiredCostMethod
    Frame CY2020
    Label Treasury Stock, Value, Acquired, Cost Method
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 112,133,000
  81. Description Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period.
    Fact WeightedAverageNumberOfSharesOutstandingBasic
    Frame CY2020
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2019-10-01
    Taxonomy us-gaap
    Unit shares
    Val 76,721,969
  82. Description The cash outflow associated with purchasing loans held for investment purposes during the period.
    Fact PaymentsToAcquireLoansHeldForInvestment
    Frame CY2020
    Label Payments to Acquire Loans Held-for-investment
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,456,000
  83. Description Amount, after deduction of tax, noncontrolling interests, dividends on preferred stock and participating securities, and addition from assumption of issuance of common shares for dilutive potential common shares; of income (loss) available to common shareholders.
    Fact NetIncomeLossAvailableToCommonStockholdersDiluted
    Frame CY2020
    Label Net Income (Loss) Available to Common Stockholders, Diluted
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 173,438,000
  84. Description The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear
    Frame CY2020
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year
    Start 2019-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  85. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Frame CY2020
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 4.17
  86. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Frame CY2020
    Label Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 493,402,000
  87. Description The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.
    Fact EarningsPerShareBasic
    Frame CY2020
    Label Earnings Per Share, Basic
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.26
  88. Fact FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
    Frame CY2020Q3I
    Taxonomy us-gaap
    Unit USD
    Val 166,955,000
  89. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2020
    Label Net Income (Loss) Attributable to Parent
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 173,438,000
  90. Description The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities.
    Fact GainLossOnSaleOfInvestments
    Frame CY2020
    Label Gain (Loss) on Sale of Investments
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,028,000
  91. Description The maximum balance outstanding at any month end during the period as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd
    Frame CY2020Q3I
    Label Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End
    Taxonomy us-gaap
    Unit USD
    Val 3,050,000,000
  92. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Frame CY2020
    Label Payments for Repurchase of Common Stock
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 112,133,000
  93. Description Proceeds from issuance of capital stock which provides for a specific dividend that is paid to the shareholders before any dividends to common stockholders and which takes precedence over common stockholders in the event of liquidation.
    Fact ProceedsFromIssuanceOfPreferredStockAndPreferenceStock
    Frame CY2020
    Label Proceeds from Issuance of Preferred Stock and Preference Stock
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  94. Description The increase (decrease) during the reporting period in income taxes receivable, which represents the amount due from tax authorities for refunds of overpayments or recoveries of income taxes paid.
    Fact IncreaseDecreaseInIncomeTaxesReceivable
    Frame CY2020
    Label Increase (Decrease) in Income Taxes Receivable
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,708,000
  95. Description Number of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
    Taxonomy us-gaap
    Unit shares
    Val 1,210,689
  96. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2020
    Label Noninterest Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 315,558,000
  97. Description The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period.
    Fact WeightedAverageNumberOfDilutedSharesOutstanding
    Frame CY2020
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2019-10-01
    Taxonomy us-gaap
    Unit shares
    Val 76,731,464
  98. Description Amount of cash inflow for proceeds from settlement of corporate-owned life insurance policy, classified as investing activities. Includes, but is not limited to, bank-owned life insurance policy.
    Fact ProceedsFromLifeInsurancePolicies
    Frame CY2020
    Label Proceeds from Life Insurance Policy
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  99. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fact DividendsCommonStockCash
    Frame CY2020
    Label Dividends, Common Stock, Cash
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 66,496,000
  100. Description Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.
    Fact OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIForSaleOfSecuritiesNetOfTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 11,572,000
  101. Description Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect
    Frame CY2020
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,283,819,000
  102. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Frame CY2020
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2019-10-01
    Taxonomy us-gaap
    Unit pure
    Val -0.02
  103. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 2,014,133,000
  104. Description Number of options outstanding, including both vested and non-vested options.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
    Frame CY2020Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
    Taxonomy us-gaap
    Unit shares
    Val 1,229,724
  105. Description Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities, attributable to parent entity. Excludes amounts related to other than temporary impairment (OTTI) loss.
    Fact OtherComprehensiveIncomeAvailableforsaleSecuritiesAdjustmentNetOfTaxPortionAttributableToParent
    Frame CY2020
    Label Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,956,000
  106. Description Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
    Frame CY2020
    Label Proceeds from Sale of Debt Securities, Available-for-sale
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 204,351,000
  107. Description The net gain (loss) resulting from sales and other disposals of other real estate owned, increases (decreases) in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession.
    Fact GainsLossesOnSalesOfOtherRealEstate
    Frame CY2020
    Label Gains (Losses) on Sales of Other Real Estate
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 26,000
  108. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Frame CY2020
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,486,000
  109. Description Interest expense incurred on all money market deposits.
    Fact InterestExpenseMoneyMarketDeposits
    Frame CY2020
    Label Interest Expense, Money Market Deposits
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 18,951,000
  110. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Frame CY2020
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2019-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.21
  111. Description Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact PaymentsToAcquireAvailableForSaleSecuritiesDebt
    Frame CY2020
    Label Payments to Acquire Debt Securities, Available-for-sale
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,064,815,000
  112. Description Amount, after tax, of reclassification of gain (loss) from accumulated other comprehensive income (AOCI) for derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  113. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Frame CY2020
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 166,600,000
  114. Description Weighted average interest rate calculated at point in time for domestic deposit liability.
    Fact WeightedAverageRateDomesticDeposit
    Frame CY2020Q3I
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  115. Description Amount of net occupancy expense that may include items, such as depreciation of facilities and equipment, lease expenses, property taxes and property and casualty insurance expense.
    Fact OccupancyNet
    Frame CY2020
    Label Occupancy, Net
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 39,570,000
  116. Description Amount of cost for defined contribution plan.
    Fact DefinedContributionPlanCostRecognized
    Frame CY2020
    Label Defined Contribution Plan, Cost
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,333,000
  117. Description The cash inflow from the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale.
    Fact ProceedsFromSaleOfPropertyPlantAndEquipment
    Frame CY2020
    Label Proceeds from Sale of Property, Plant, and Equipment
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 55,213,000
  118. Description The increase (decrease) during the period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.
    Fact IncreaseDecreaseInAccruedIncomeTaxesPayable
    Frame CY2020
    Label Increase (Decrease) in Income Taxes Payable
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 890,000
  119. Description Amount, after tax and before reclassification, of gain (loss) from derivative instrument designated and qualifying as cash flow hedge included in assessment of hedge effectiveness.
    Fact OtherComprehensiveIncomeLossCashFlowHedgeGainLossBeforeReclassificationAfterTax
    Frame CY2020
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -7,295,000
  120. Description Amount of increase (decrease) in prepayments received from borrowers for taxes and insurance remitted to the appropriate tax authority or insurer on behalf of the borrower.
    Fact IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance
    Frame CY2020
    Label Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -8,368,000
  121. Description The charge against earnings resulting from the aggregate write down of tangible assets from their carrying value to their fair value.
    Fact TangibleAssetImpairmentCharges
    Frame CY2020
    Label Tangible Asset Impairment Charges
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,431,000
  122. Description Amount of cash outflow in the form of ordinary dividends to preferred shareholders of the parent entity.
    Fact PaymentsOfDividendsPreferredStockAndPreferenceStock
    Frame CY2020
    Label Payments of Ordinary Dividends, Preferred Stock and Preference Stock
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  123. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Frame CY2020
    Label Current State and Local Tax Expense (Benefit)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,310,000
  124. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Frame CY2020
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2019-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  125. Description Weighted average grant-date fair value of options vested.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue
    Frame CY2020
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested, Weighted Average Grant Date Fair Value
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0
  126. Description Amount, before adjustment, of tax expense (benefit) for unrealized holding gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Excludes tax expense (benefit) for unrealized gain (loss) on investment in debt security measured at amortized cost (held-to-maturity) from transfer to available-for-sale.
    Fact OtherComprehensiveIncomeUnrealizedHoldingGainLossOnSecuritiesArisingDuringPeriodTax
    Frame CY2020
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,220,000
  127. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Frame CY2020
    Label Increase (Decrease) in Other Operating Assets
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 146,893,000
  128. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Frame CY2020
    Label Proceeds from Stock Options Exercised
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 144,000
  129. Description Early withdrawal penalties on domestic deposits which discourage customer withdrawal prior to maturity.
    Fact InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties
    Frame CY2020
    Label Interest Expense Domestic Deposit Liabilities, Withdrawal Penalties
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 539,000

Facts up to 2019-09-30

  1. Description Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.
    Fact CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents
    Frame CY2019Q3I
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 419,158,000
  2. Description Weighted average grant-date fair value of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue
    Frame CY2019Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Option, Nonvested, Weighted Average Exercise Price
    Taxonomy us-gaap
    Unit USD/shares
    Val 5.33
  3. Description Number of non-vested options outstanding.
    Fact SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares
    Frame CY2019Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Number of Shares
    Taxonomy us-gaap
    Unit shares
    Val 293,167
  4. Description Total of all stockholders' equity (deficit) items, net of receivables from officers, directors, owners, and affiliates of the entity which are attributable to the parent. The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity.
    Fact StockholdersEquity
    Frame CY2019Q3I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 2,032,995,000

The filing refers to a past date, and does not necessarily reflect the current state. The latest known state is available on the following page: WaFd Inc., Seattle, United States.