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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec 2 Aug 2021 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-Q
Filed 2021-08-02
Fp Q3
Fy 2021
Accn 0000936528-21-000080

Facts up to 2021-07-30

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
Frame CY2021Q2I
Label Entity Common Stock, Shares Outstanding
Taxonomy dei
Unit shares
Val 67,946,351

Facts up to 2021-06-30

  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 2,251,958,000
  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 1.68
  3. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.61
  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 35,105,000
  5. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 12,603,000
  6. 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 373,153,000
  7. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 128,605,000
  8. 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 CY2021Q2I
    Label Preferred Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 300,000,000
  9. 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
  10. 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 1,458,734,000
  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
    Frame CY2021Q2I
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 302,707,000
  12. 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
  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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  14. Description Amount of cash inflow from sale of Federal Home Loan Bank (FHLB) stock.
    Fact ProceedsFromSaleOfFederalHomeLoanBankStock
    Label Proceeds from Sale of Federal Home Loan Bank Stock
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 274,000,000
  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 48,167,000
  16. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val -16,056,000
  17. Description Amount of accumulated unrecognized gain on investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingGain
    Frame CY2021Q2I
    Label Debt Securities, Held-to-maturity, Accumulated Unrecognized Gain
    Taxonomy us-gaap
    Unit USD
    Val 12,801,000
  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 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  19. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,736,000
  20. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Frame CY2021Q2
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,178,000
  21. 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 CY2021Q2I
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 1,677,163,000
  22. 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 CY2021Q2I
    Label Real Estate Held-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 7,932,000
  23. 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 0
  24. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  25. Description Amount of cash outflow to acquire Federal Reserve Bank (FRB) stock.
    Fact PaymentsToAcquireFederalReserveStock
    Label Payments to Acquire Federal Reserve Bank Stock
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 244,035,000
  26. 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 719,560,000
  27. 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 10,918,000
  28. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,900,000
  29. 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 18,187,000
  30. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 6,201,000
  31. 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 283,458,000
  32. Fact DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Frame CY2021Q2I
    Taxonomy us-gaap
    Unit USD
    Val 2,243,798,000
  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
    Frame CY2021Q2I
    Label Cash Collateral for Borrowed Securities
    Taxonomy us-gaap
    Unit USD
    Val 1,500,000
  34. 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 CY2021Q2I
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Loss, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 2,309,000
  35. 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 CY2021Q2I
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 66,514,296
  36. Description Total cost of shares repurchased divided by the total number of shares repurchased.
    Fact TreasuryStockAcquiredAverageCostPerShare
    Frame CY2021Q2
    Label Treasury Stock Acquired, Average Cost Per Share
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 32.69
  37. 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 21.26
  38. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 12.19
  39. Fact FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
    Frame CY2021Q2I
    Taxonomy us-gaap
    Unit USD
    Val 13,467,997,000
  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 124,866,000
  41. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 43,766,000
  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 35,126,000
  43. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Label Interest Expense, Borrowings
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 9,937,000
  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 29,556,000
  45. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 11,703,000
  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 179,411,000
  47. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 31,366,000
  48. Description The cash inflow from proceeds From Sales of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans.
    Fact ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans
    Label Proceeds from Sale of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,089,000
  49. Description Amount of interest income recognized that the financing receivables (with related allowance for credit losses and without a related allowance for credit losses) were impaired.
    Fact ImpairedFinancingReceivableInterestIncomeAccrualMethod
    Label Impaired Financing Receivable, Interest Income, Accrual Method
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,082,000
  50. 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 5,012,000
  51. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,748,000
  52. Description Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.
    Fact AccountsPayableAndOtherAccruedLiabilities
    Frame CY2021Q2I
    Label Accounts Payable and Other Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 205,464,000
  53. 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 CY2021Q2I
    Label Advance Payments by Borrowers for Taxes and Insurance
    Taxonomy us-gaap
    Unit USD
    Val 27,530,000
  54. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2021Q2I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 170,784,000
  55. 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 CY2021Q2I
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 255,765,000
  56. Description Face amount or stated value per share of preferred stock nonredeemable or redeemable solely at the option of the issuer.
    Fact PreferredStockParOrStatedValuePerShare
    Frame CY2021Q2I
    Label Preferred Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  57. Description Amount of interest income on financing receivable on nonaccrual status.
    Fact FinancingReceivableNonaccrualInterestIncome
    Label Financing Receivable, Nonaccrual, Interest Income
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,742,000
  58. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 407,000
  59. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Frame CY2021Q2
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 47,000
  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 372,153,000
  61. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 130,605,000
  62. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.
    Fact IncomeTaxesPaidNet
    Label Income Taxes Paid, Net
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 31,154,000
  63. 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 130,196,000
  64. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 43,841,000
  65. 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 19,414,000
  66. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 5,488,000
  67. Description Amount of assets classified as other.
    Fact OtherAssets
    Frame CY2021Q2I
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 253,204,000
  68. 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 41,558,000
  69. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 13,211,000
  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 57,189,000
  71. Description Amount, before allowance for credit loss, of financing receivable.
    Fact NotesReceivableGross
    Frame CY2021Q2I
    Label Financing Receivable, before Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 13,638,781,000
  72. Description Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).
    Fact FederalHomeLoanBankStock
    Frame CY2021Q2I
    Label Federal Home Loan Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 112,025,000
  73. 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 15,456,000
  74. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val -5,401,000
  75. 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 0
  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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  77. Description The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.
    Fact ProceedsFromIssuanceOfDebt
    Label Proceeds from Issuance of Debt
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,100,000,000
  78. Description Amount of undisbursed portion of financing receivable balance. Excludes financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableLoanInProcess
    Frame CY2021Q2I
    Label Financing Receivable, Loan in Process
    Taxonomy us-gaap
    Unit USD
    Val 2,089,837,000
  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 4,133,000
  80. 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 6,863,788,000
  81. 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 0.68
  82. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.23
  83. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Frame CY2021Q2I
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  84. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fact AccruedInvestmentIncomeReceivable
    Frame CY2021Q2I
    Label Accrued Investment Income Receivable
    Taxonomy us-gaap
    Unit USD
    Val 51,544,000
  85. 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 0
  86. Description Amount of time deposit liabilities, including certificates of deposit.
    Fact TimeDeposits
    Frame CY2021Q2I
    Label Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 3,537,891,000
  87. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2021Q2I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 19,649,509,000
  88. 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 32,923,000
  89. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 10,396,000
  90. 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 CY2021Q2I
    Label Financing Receivable, Unamortized Loan Fee (Cost) and Purchase Premium (Discount)
    Taxonomy us-gaap
    Unit USD
    Val -61,298,000
  91. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2021Q2I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val 1,495,341,000
  92. Description Amount of the collateral pledged in support of federal home loan bank advances outstanding.
    Fact FederalHomeLoanBankAdvancesGeneralDebtObligationsDisclosuresCollateralPledged1
    Frame CY2021Q2I
    Label Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged
    Taxonomy us-gaap
    Unit USD
    Val 6,116,154,000
  93. 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 -2,255,000
  94. Fact FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Frame CY2021Q2I
    Taxonomy us-gaap
    Unit USD
    Val 15,789,916,000
  95. Description Gain (loss) incurred in hedging activities.
    Fact GainLossOnOilAndGasHedgingActivity
    Label Gain (Loss) on Hedging Activity
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,110,000
  96. 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 400,621,000
  97. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 134,193,000
  98. 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 CY2021Q2I
    Label Debt Securities, Held-to-Maturity, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 1,074,000
  99. 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 4,916,000
  100. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,390,000
  101. 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
  102. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  103. 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 CY2021Q2I
    Label Investments, Fair Value Disclosure
    Taxonomy us-gaap
    Unit USD
    Val 2,721,205,000
  104. 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 104,000
  105. 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 -57,910,000
  106. Description The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes.
    Fact IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
    Label Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,708,000
  107. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 166,349,000
  108. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Frame CY2021Q2
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 60,025,000
  109. 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 40,878,000
  110. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val -18,083,000
  111. Description Sum of the carrying amounts as of the balance sheet date of all investments.
    Fact Investments
    Frame CY2021Q2I
    Label Investments
    Taxonomy us-gaap
    Unit USD
    Val 2,659,546,000
  112. Description Amount, before allowance for credit loss, of accrued interest on financing receivable.
    Fact FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
    Frame CY2021Q2I
    Label Financing Receivable, Accrued Interest, before Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 45,941,000
  113. 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 50,431,000
  114. 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 7,289,000
  115. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 2,027,000
  116. 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 6,378,000
  117. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,656,000
  118. 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 -420,276,000
  119. Description Amount of liability hedged in fair value hedging relationship.
    Fact HedgedLiabilityFairValueHedge
    Frame CY2021Q2I
    Label Hedged Liability, Fair Value Hedge
    Taxonomy us-gaap
    Unit USD
    Val 1,731,071,000
  120. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 339,000
  121. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 8,000
  122. Description Amount of credit loss expense (reversal of expense) for financing receivable.
    Fact ProvisionForLoanLossesExpensed
    Label Financing Receivable, Credit Loss, Expense (Reversal)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000,000
  123. Description Amount of credit loss expense (reversal of expense) for financing receivable.
    Fact ProvisionForLoanLossesExpensed
    Frame CY2021Q2
    Label Financing Receivable, Credit Loss, Expense (Reversal)
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val -2,000,000
  124. 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 CY2021Q2I
    Label Preferred Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 5,000,000
  125. 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 33,745,000
  126. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 8,906,000
  127. 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 CY2021Q2I
    Label Preferred Stock, Shares Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 300,000
  128. 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 68,871,000
  129. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 18,843,000
  130. 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 CY2021Q2I
    Label Off-Balance Sheet, Credit Loss, Liability
    Taxonomy us-gaap
    Unit USD
    Val 27,500,000
  131. 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
  132. 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 CY2021Q2I
    Label Accrued Income Taxes
    Taxonomy us-gaap
    Unit USD
    Val 917,000
  133. 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 CY2021Q2I
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 2,251,958,000
  134. 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 4,916,000
  135. Description The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.
    Fact ProceedsFromHedgeFinancingActivities
    Label Proceeds from Hedge, Financing Activities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,110,000
  136. 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 CY2021Q2I
    Label Preferred Stock, Shares Issued
    Taxonomy us-gaap
    Unit shares
    Val 300,000
  137. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesFairValue
    Frame CY2021Q2I
    Label Debt Securities, Held-to-maturity, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 428,549,000
  138. 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 CY2021Q2I
    Label Income Taxes Receivable
    Taxonomy us-gaap
    Unit USD
    Val 0
  139. Description Number of shares that have been repurchased during the period and are being held in treasury.
    Fact TreasuryStockSharesAcquired
    Frame CY2021Q2
    Label Treasury Stock, Shares, Acquired
    Start 2021-04-01
    Taxonomy us-gaap
    Unit shares
    Val 3,618,879
  140. Description Amount of accumulated unrealized loss on investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesAccumulatedUnrecognizedHoldingLoss
    Frame CY2021Q2I
    Label Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss
    Taxonomy us-gaap
    Unit USD
    Val 0
  141. 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 18,037,000
  142. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Label Noninterest Income, Other Operating Income
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 5,262,000
  143. 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
  144. 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 CY2021Q2I
    Label Debt Securities, Available-for-sale, Accumulated Gross Unrealized Gain, before Tax
    Taxonomy us-gaap
    Unit USD
    Val 51,167,000
  145. 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 208,075,000
  146. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 118,303,000
  147. Description Change in carrying amount of the indemnification asset relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). The change includes for example, but is not limited to, acquisitions, additional estimated losses, disposals, cash payments, accretion of discount and write-offs, net of recoveries.
    Fact FDICIndemnificationAssetPeriodIncreaseDecrease
    Label FDIC Indemnification Asset, Period Increase (Decrease)
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,110,000
  148. Description Change in carrying amount of the indemnification asset relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). The change includes for example, but is not limited to, acquisitions, additional estimated losses, disposals, cash payments, accretion of discount and write-offs, net of recoveries.
    Fact FDICIndemnificationAssetPeriodIncreaseDecrease
    Frame CY2021Q2
    Label FDIC Indemnification Asset, Period Increase (Decrease)
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  149. 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 74,315,911
  150. 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 2021-04-01
    Taxonomy us-gaap
    Unit shares
    Val 71,795,157
  151. 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 412,423,000
  152. 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 CY2021Q2I
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 135,986,719
  153. Description Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.
    Fact InvestmentIncomeInterestAndDividend
    Label Investment Income, Interest and Dividend
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 442,024,000
  154. Description Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.
    Fact InvestmentIncomeInterestAndDividend
    Label Investment Income, Interest and Dividend
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 147,448,000
  155. 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 493,520,000
  156. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecurities
    Frame CY2021Q2I
    Label Debt Securities, Held-to-maturity
    Taxonomy us-gaap
    Unit USD
    Val 415,748,000
  157. 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 CY2021Q2I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 17,422,269,000
  158. 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 CY2021Q2I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 19,649,509,000
  159. 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 1.68
  160. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.61
  161. Fact FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
    Taxonomy us-gaap
    Unit USD
    Val 170,784,000
  162. 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 131,244,000
  163. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 47,422,000
  164. 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 0
  165. 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 CY2021Q2I
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 1,446,371,000
  166. Description The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.
    Fact StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
    Frame CY2021Q2I
    Label Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased
    Taxonomy us-gaap
    Unit shares
    Val 8,150,808
  167. 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 208,075,000
  168. 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 CY2021Q2I
    Label Debt Securities, Available-for-Sale, Accrued Interest, after Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 4,529,000
  169. 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
  170. 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 CY2021Q2I
    Label Bank Owned Life Insurance
    Taxonomy us-gaap
    Unit USD
    Val 231,882,000
  171. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 246,796,000
  172. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 83,640,000
  173. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fact DividendsPreferredStockCash
    Label Dividends, Preferred Stock, Cash
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,378,000
  174. Description Amount of paid and unpaid preferred stock dividends declared with the form of settlement in cash.
    Fact DividendsPreferredStockCash
    Label Dividends, Preferred Stock, Cash
    Start 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,656,000
  175. 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 74,326,693
  176. 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 2021-04-01
    Taxonomy us-gaap
    Unit shares
    Val 71,901,068
  177. 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 50,431,000
  178. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 16,518,000
  179. 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 0
  180. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  181. Description Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk.
    Fact HedgedAssetFairValueHedgeCumulativeIncreaseDecrease
    Frame CY2021Q2I
    Label Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)
    Taxonomy us-gaap
    Unit USD
    Val 9,123,000
  182. 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 548,981,000
  183. 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 2,227,240,000
  184. 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 7,289,000
  185. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 2,027,000
  186. 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 0
  187. 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 -566,000
  188. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val -151,000
  189. 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 CY2021Q2I
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 135,987,000
  190. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleSecuritiesDebtSecurities
    Frame CY2021Q2I
    Label Debt Securities, Available-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 2,292,656,000
  191. 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 528,937,000
  192. 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
  193. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  194. 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 249,697,000
  195. 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
  196. 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 CY2021Q2I
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 65,120,000
  197. Description Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
    Fact CommonStockSharesOutstanding
    Frame CY2021Q2I
    Label Common Stock, Shares, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 69,472,423
  198. 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 29,790,000
  199. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 9,725,000
  200. Description Percentage of financing receivable balance that is past due.
    Fact FinancingReceivablePercentPastDue1
    Frame CY2021Q2I
    Label Financing Receivable, Percent Past Due
    Taxonomy us-gaap
    Unit pure
    Val 0.00
  201. Description The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.
    Fact DepreciationDepletionAndAmortization
    Label Depreciation, Depletion and Amortization
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 26,329,000
  202. 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
  203. 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 -13,470,000
  204. 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 51,743,000
  205. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val -18,083,000
  206. 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 -21,932,000
  207. 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 574,000
  208. 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 2,722,000
  209. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Frame CY2021Q2I
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 300,000,000
  210. 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 2,177,000
  211. 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 2021-04-01
    Taxonomy us-gaap
    Unit USD
    Val 605,000
  212. 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 -153,610,000
  213. 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 CY2021Q2I
    Label Long-term Federal Home Loan Bank Advances
    Taxonomy us-gaap
    Unit USD
    Val 1,950,000,000
  214. 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
    Label Proceeds from Sale of Held-to-maturity Securities
    Start 2020-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0

Facts up to 2021-05-21

Description Aggregate dividends paid during the period for each share of common stock outstanding.
Fact CommonStockDividendsPerShareCashPaid
Label Common Stock, Dividends, Per Share, Cash Paid
Taxonomy us-gaap
Unit USD/shares
Val 0.23

Facts up to 2021-04-15

Description Aggregate dividends paid during the period for each share of preferred stock outstanding.
Fact PreferredStockDividendsPerShareCashPaid
Frame CY2021Q1I
Label Preferred Stock, Dividends, Per Share, Cash Paid
Taxonomy us-gaap
Unit USD/shares
Val 9.07

Facts up to 2021-03-31

  1. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 172,653,000
  2. 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 2,332,953,000

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 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 0
  3. 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 302,707,000
  4. 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 21,582,000
  5. 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 1,678,843,000
  6. 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 4,966,000
  7. 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 3,781,000
  8. Fact DebtSecuritiesAvailableForSaleAmortizedCostExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 2,210,099,000
  9. 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
  10. 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 97,600,000
  11. 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 9,614,000
  12. 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
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 60,037,873
  13. Fact FinancingReceivableExcludingAccruedInterestAfterAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 12,792,317,000
  14. 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 250,836,000
  15. 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 49,462,000
  16. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 166,955,000
  17. 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 252,805,000
  18. 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
  19. 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 52,000
  20. Description Amount of assets classified as other.
    Fact OtherAssets
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 346,508,000
  21. Description Amount, before allowance for credit loss, of financing receivable.
    Fact NotesReceivableGross
    Frame CY2020Q3I
    Label Financing Receivable, before Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 12,959,272,000
  22. Description Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).
    Fact FederalHomeLoanBankStock
    Frame CY2020Q3I
    Label Federal Home Loan Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 141,990,000
  23. 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 1,456,072,000
  24. 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
  25. 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 53,799,000
  26. 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
  27. Description Amount of time deposit liabilities, including certificates of deposit.
    Fact TimeDeposits
    Label Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 3,973,192,000
  28. 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 18,794,055,000
  29. 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 -52,378,000
  30. 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 52,000
  31. 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 1,420,906,000
  32. 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 5,361,504,000
  33. Fact FinancingReceivableExcludingAccruedInterestBeforeAllowanceForCreditLoss
    Taxonomy us-gaap
    Unit USD
    Val 14,467,722,000
  34. 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 1,811,000
  35. 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 2,976,860,000
  36. 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 675,518,000
  37. 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 2,915,937,000
  38. Description Amount, before allowance for credit loss, of accrued interest on financing receivable.
    Fact FinancingReceivableAccruedInterestBeforeAllowanceForCreditLoss
    Frame CY2020Q3I
    Label Financing Receivable, Accrued Interest, before Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 48,704,000
  39. 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 285,161,000
  40. Description Amount of liability hedged in fair value hedging relationship.
    Fact HedgedLiabilityFairValueHedge
    Label Hedged Liability, Fair Value Hedge
    Taxonomy us-gaap
    Unit USD
    Val 2,562,765,000
  41. 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
  42. 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 0
  43. 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 25,000,000
  44. 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 CY2020Q3I
    Label Accrued Income Taxes
    Taxonomy us-gaap
    Unit USD
    Val 0
  45. 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 1,702,977,000
  46. 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 0
  47. 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 727,368,000
  48. 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 5,708,000
  49. 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 5,833,000
  50. 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 52,000
  51. 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 49,007,000
  52. 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 135,727,237
  53. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecurities
    Frame CY2020Q3I
    Label Debt Securities, Held-to-maturity
    Taxonomy us-gaap
    Unit USD
    Val 705,838,000
  54. 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 16,779,922,000
  55. 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 18,794,055,000
  56. Fact FinancingReceivableAllowanceForCreditLossExcludingAccruedInterest
    Taxonomy us-gaap
    Unit USD
    Val 166,955,000
  57. 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 1,238,296,000
  58. 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 3,285,000
  59. 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 6,853,000
  60. 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 227,749,000
  61. Description Amount of cumulative increase (decrease) in fair value of hedged asset in fair value hedge, attributable to hedged risk.
    Fact HedgedAssetFairValueHedgeCumulativeIncreaseDecrease
    Label Hedged Asset, Fair Value Hedge, Cumulative Increase (Decrease)
    Taxonomy us-gaap
    Unit USD
    Val 24,664,000
  62. 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
  63. 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 6,853,000
  64. 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 135,727,000
  65. Description Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact AvailableForSaleSecuritiesDebtSecurities
    Frame CY2020Q3I
    Label Debt Securities, Available-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 2,249,492,000
  66. 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 16,953,000
  67. 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 75,689,364
  68. 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
  69. 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 960,679,000
  70. 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
  71. 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 2,700,000,000
  72. 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 9,614,000

Facts up to 2020-06-30

  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 CY2020Q2I
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 1,218,240,000
  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 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.8
  3. 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 CY2020Q2
    Label Earnings Per Share, Diluted
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.46
  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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 37,755,000
  5. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2020Q2
    Label Income Tax Expense (Benefit)
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 9,458,000
  6. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 354,676,000
  7. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Frame CY2020Q2
    Label Interest Income (Expense), Net
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 117,378,000
  8. Description The fair value of assets acquired in noncash investing or financing activities.
    Fact FairValueOfAssetsAcquired
    Label Fair Value of Assets Acquired
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 359,000
  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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,118,830,000
  10. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  11. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  12. Description Amount of cash inflow from sale of Federal Home Loan Bank (FHLB) stock.
    Fact ProceedsFromSaleOfFederalHomeLoanBankStock
    Label Proceeds from Sale of Federal Home Loan Bank Stock
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 301,200,000
  13. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -2,732,000
  14. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Frame CY2020Q2
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 6,099,000
  15. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  16. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,060,000
  17. Description Amount of increase in allowance for credit loss on financing receivable from recovery.
    Fact FinancingReceivableAllowanceForCreditLossesRecovery
    Frame CY2020Q2
    Label Financing Receivable, Allowance for Credit Loss, Recovery
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,625,000
  18. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,456,000
  19. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  20. Description Amount of cash outflow to acquire Federal Reserve Bank (FRB) stock.
    Fact PaymentsToAcquireFederalReserveStock
    Label Payments to Acquire Federal Reserve Bank Stock
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 323,200,000
  21. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,465,683,000
  22. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,305,000
  23. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Frame CY2020Q2
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 2,365,000
  24. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 17,837,000
  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
    Frame CY2020Q2
    Label Revenue from Contract with Customer, Excluding Assessed Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 5,479,000
  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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 237,895,000
  27. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 139,095,000
  28. 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 CY2020Q2
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 34,852,000
  29. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Label Interest Expense, Borrowings
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 37,963,000
  30. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Frame CY2020Q2
    Label Interest Expense, Borrowings
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 10,938,000
  31. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 35,053,000
  32. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Frame CY2020Q2
    Label Other Noninterest Expense
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 10,992,000
  33. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 136,363,000
  34. 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 CY2020Q2
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 40,951,000
  35. Description The cash inflow from proceeds From Sales of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans.
    Fact ProceedsFromSaleOfWhollyOwnedRealEstateAndRealEstateAcquiredInSettlementOfLoans
    Label Proceeds from Sale of Wholly Owned Real Estate and Real Estate Acquired in Settlement of Loans
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,339,000
  36. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,231,000
  37. 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 CY2020Q2
    Label Fees and Commissions, Mortgage Banking and Servicing
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,380,000
  38. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2020Q2I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 165,349,000
  39. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,395,000
  40. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Frame CY2020Q2
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,327,000
  41. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 339,426,000
  42. 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 CY2020Q2
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 106,578,000
  43. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.
    Fact IncomeTaxesPaidNet
    Label Income Taxes Paid, Net
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 23,863,000
  44. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 111,306,000
  45. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Frame CY2020Q2
    Label Labor and Related Expense
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 36,058,000
  46. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 40,796,000
  47. 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 CY2020Q2
    Label Interest Income, Securities, Mortgage Backed
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 10,843,000
  48. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 75,889,000
  49. 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 CY2020Q2
    Label Noninterest Income
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 13,274,000
  50. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 119,022,000
  51. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -4,012,000
  52. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val -1,850,000
  53. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,028,000
  54. Description Amount of unrealized and realized gain (loss) on investment in debt and equity securities.
    Fact DebtAndEquitySecuritiesGainLoss
    Frame CY2020Q2
    Label Debt and Equity Securities, Gain (Loss)
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  55. Description The cash inflow during the period from additional borrowings in aggregate debt. Includes proceeds from short-term and long-term debt.
    Fact ProceedsFromIssuanceOfDebt
    Label Proceeds from Issuance of Debt
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,080,000,000
  56. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,253,000
  57. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,543,809,000
  58. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.65
  59. Description Aggregate dividends paid during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareCashPaid
    Frame CY2020Q2
    Label Common Stock, Dividends, Per Share, Cash Paid
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.22
  60. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,810,000
  61. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 40,761,000
  62. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Frame CY2020Q2
    Label Information Technology and Data Processing
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 12,154,000
  63. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,135,000
  64. Description Gain (loss) incurred in hedging activities.
    Fact GainLossOnOilAndGasHedgingActivity
    Label Gain (Loss) on Hedging Activity
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  65. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 413,543,000
  66. 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 CY2020Q2
    Label Interest and Fee Income, Loans and Leases
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 132,847,000
  67. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,019,000
  68. Description Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockIssuedDuringPeriodValueShareBasedCompensation
    Frame CY2020Q2
    Label Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 1,521,000
  69. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -13,809,000
  70. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Frame CY2020Q2
    Label Gain (Loss) on Extinguishment of Debt
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  71. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 33,044,000
  72. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 105,420,000
  73. Description The increase (decrease) during the reporting period in the amounts payable to taxing authorities for taxes that are based on the reporting entity's earnings, net of amounts receivable from taxing authorities for refunds of overpayments or recoveries of income taxes.
    Fact IncreaseDecreaseInIncomeTaxesPayableNetOfIncomeTaxesReceivable
    Label Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  74. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 176,850,000
  75. Description Amount of income (loss) from continuing operations before deduction of income tax expense (benefit) and income (loss) attributable to noncontrolling interest, and addition of income (loss) from equity method investments.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
    Frame CY2020Q2
    Label Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 44,310,000
  76. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -13,346,000
  77. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val -6,195,000
  78. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 49,935,000
  79. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 22,186,000
  80. 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 CY2020Q2
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 12,294,000
  81. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  82. Description The amount of preferred stock dividends that is an adjustment to net income apportioned to common stockholders.
    Fact PreferredStockDividendsIncomeStatementImpact
    Frame CY2020Q2
    Label Preferred Stock Dividends, Income Statement Impact
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  83. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -778,265,000
  84. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 141,000
  85. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Frame CY2020Q2
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 26,000
  86. Description Amount of credit loss expense (reversal of expense) for financing receivable.
    Fact ProvisionForLoanLossesExpensed
    Label Financing Receivable, Credit Loss, Expense (Reversal)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,250,000
  87. Description Amount of credit loss expense (reversal of expense) for financing receivable.
    Fact ProvisionForLoanLossesExpensed
    Frame CY2020Q2
    Label Financing Receivable, Credit Loss, Expense (Reversal)
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 10,800,000
  88. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 81,512,000
  89. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Frame CY2020Q2
    Label Interest Expense, Deposits
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 21,393,000
  90. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 119,475,000
  91. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2020Q2
    Label Interest Expense
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 32,331,000
  92. 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
    Frame CY2020Q2I
    Label Dividends Payable
    Taxonomy us-gaap
    Unit USD
    Val 0
  93. Description Amount of noncash expense for share-based payment arrangement.
    Fact ShareBasedCompensation
    Label Share-based Payment Arrangement, Noncash Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,019,000
  94. Description The cash inflow from a financial contract that meets the hedge criteria as either cash flow hedge, fair value hedge or hedge of net investment in foreign operations.
    Fact ProceedsFromHedgeFinancingActivities
    Label Proceeds from Hedge, Financing Activities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  95. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Label Noninterest Income, Other Operating Income
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 50,602,000
  96. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Frame CY2020Q2
    Label Noninterest Income, Other Operating Income
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 6,415,000
  97. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 141,000
  98. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 112,129,000
  99. 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 CY2020Q2
    Label Treasury Stock, Value, Acquired, Cost Method
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 40,000
  100. Description Change in carrying amount of the indemnification asset relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). The change includes for example, but is not limited to, acquisitions, additional estimated losses, disposals, cash payments, accretion of discount and write-offs, net of recoveries.
    Fact FDICIndemnificationAssetPeriodIncreaseDecrease
    Label FDIC Indemnification Asset, Period Increase (Decrease)
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  101. Description Change in carrying amount of the indemnification asset relating to loss sharing agreements with the Federal Deposit Insurance Corporation (FDIC). The change includes for example, but is not limited to, acquisitions, additional estimated losses, disposals, cash payments, accretion of discount and write-offs, net of recoveries.
    Fact FDICIndemnificationAssetPeriodIncreaseDecrease
    Frame CY2020Q2
    Label FDIC Indemnification Asset, Period Increase (Decrease)
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  102. 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 2019-10-01
    Taxonomy us-gaap
    Unit shares
    Val 77,063,121
  103. 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 CY2020Q2
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2020-04-01
    Taxonomy us-gaap
    Unit shares
    Val 75,705,993
  104. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,456,000
  105. Description Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.
    Fact InvestmentIncomeInterestAndDividend
    Label Investment Income, Interest and Dividend
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 474,151,000
  106. Description Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.
    Fact InvestmentIncomeInterestAndDividend
    Frame CY2020Q2
    Label Investment Income, Interest and Dividend
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 149,709,000
  107. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 301,319,000
  108. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.8
  109. 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 CY2020Q2
    Label Earnings Per Share, Basic
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.46
  110. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 139,095,000
  111. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2020Q2
    Label Net Income (Loss) Attributable to Parent
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 34,852,000
  112. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,028,000
  113. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 112,129,000
  114. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  115. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 237,391,000
  116. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2020Q2
    Label Noninterest Expense
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 75,323,000
  117. 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 2019-10-01
    Taxonomy us-gaap
    Unit shares
    Val 77,078,067
  118. 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 CY2020Q2
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2020-04-01
    Taxonomy us-gaap
    Unit shares
    Val 75,712,898
  119. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 49,935,000
  120. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fact DividendsCommonStockCash
    Frame CY2020Q2
    Label Dividends, Common Stock, Cash
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 16,561,000
  121. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 11,572,000
  122. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  123. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 799,082,000
  124. 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 CY2020Q2I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 1,990,509,000
  125. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,614,000
  126. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Portion Attributable to Parent
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 12,294,000
  127. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 204,351,000
  128. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,074,000
  129. 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 CY2020Q2
    Label Gains (Losses) on Sales of Other Real Estate
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val -219,000
  130. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 684,292,000
  131. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  132. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  133. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 111,664,000
  134. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 30,406,000
  135. 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 CY2020Q2
    Label Occupancy, Net
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 9,357,000
  136. Description The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.
    Fact DepreciationDepletionAndAmortization
    Label Depreciation, Depletion and Amortization
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 26,334,000
  137. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 55,213,000
  138. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,773,000
  139. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -13,346,000
  140. 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 CY2020Q2
    Label Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, after Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val -6,195,000
  141. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val -27,415,000
  142. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,431,000
  143. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  144. 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 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,716,000
  145. 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 CY2020Q2
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2020-04-01
    Taxonomy us-gaap
    Unit USD
    Val 3,672,000
  146. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 149,007,000
  147. 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
    Label Proceeds from Sale of Held-to-maturity Securities
    Start 2019-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0

Facts up to 2020-03-31

  1. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2020Q1I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 157,101,000
  2. 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 CY2020Q1I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 1,964,612,000

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
    Label Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
    Taxonomy us-gaap
    Unit USD
    Val 419,158,000
  2. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2019Q3I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 149,284,000
  3. 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 2,032,995,000

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.