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U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system Sec 26 Nov 2014 U.S. Securities and Exchange Commission's Electronic Data Gathering, Analysis, and Retrieval system, United States

Text

Entity

entityName WAFD, INC.
Cik 936528
Form 10-K
Filed 2014-11-26
Fp FY
Fy 2014
Accn 0000936528-14-000037

Facts up to 2014-11-25

Description Indicate number of shares or other units outstanding of each of registrant's classes of capital or common stock or other ownership interests, if and as stated on cover of related periodic report. Where multiple classes or units exist define each class/interest by adding class of stock items such as Common Class A [Member], Common Class B [Member] or Partnership Interest [Member] onto the Instrument [Domain] of the Entity Listings, Instrument.
Fact EntityCommonStockSharesOutstanding
Label Entity Common Stock, Shares Outstanding
Taxonomy dei
Unit shares
Val 98,181,367

Facts up to 2014-09-30

  1. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.55
  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 2014-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.41
  3. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 87,564,000
  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 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 22,568,000
  5. Description Number of warrants or rights outstanding.
    Fact ClassOfWarrantOrRightOutstanding
    Frame CY2014Q3I
    Label Class of Warrant or Right, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 1,700,856,000
  6. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 405,620,000
  7. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 103,393,000
  8. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -226,914,000
  9. Description Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesSoldUnderAgreementsToRepurchase
    Label Securities Sold under Agreements to Repurchase
    Taxonomy us-gaap
    Unit USD
    Val 0
  10. Description Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.
    Fact Goodwill
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 291,503,000
  11. Description Amount, after troubled debt restructuring, of modified financing receivable.
    Fact FinancingReceivableModificationsPostModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Postmodification
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 59,803,000
  12. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,330,000
  13. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  14. 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 1,638,211,000
  15. 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 55,072,000
  16. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  17. Description Amount of cash outflow to acquire Federal Reserve Bank (FRB) stock.
    Fact PaymentsToAcquireFederalReserveStock
    Label Payments to Acquire Federal Reserve Bank Stock
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  18. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -376,457,000
  19. Description Number of financing receivables that have been modified by troubled debt restructurings.
    Fact FinancingReceivableModificationsNumberOfContracts2
    Label Financing Receivable, Modifications, Number of Contracts
    Start 2013-10-01
    Taxonomy us-gaap
    Unit contract
    Val 267
  20. Description "The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."
    Fact NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
    Label Noncash or Part Noncash Acquisition, Value of Assets Acquired
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 80,242,000
  21. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 11,009,000
  22. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 103,617,000
  23. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 11,780,000
  24. Description Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
    Fact UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
    Frame CY2014
    Label Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 32,000
  25. Description Amount, before troubled debt restructuring, of financing receivable to be modified.
    Fact FinancingReceivableModificationsPreModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Premodification
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 59,803,000
  26. Description Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.
    Fact InterestExpenseDemandDepositAccounts
    Label Interest Expense, Demand Deposit Accounts
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,259,000
  27. 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 34,918,204
  28. Description Percentage employer matches of the employee's percentage contribution matched.
    Fact DefinedContributionPlanEmployerMatchingContributionPercentOfMatch
    Label Defined Contribution Plan, Employer Matching Contribution, Percent of Match
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 1
  29. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 157,364,000
  30. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Label Interest Expense, Borrowings
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 69,553,000
  31. Description Amount of unrealized loss on securities classified as available-for-sale that have been in a loss position for twelve months or longer.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss (Deprecated 2018-01-31)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 57,353,000
  32. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 51,794,000
  33. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 23,542,000
  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
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 171,694,000
  35. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves
    Taxonomy us-gaap
    Unit USD
    Val 13,680,000
  36. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 21,674,000
  37. Description The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
    Label Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 10,527,000
  38. Description Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
    Fact OperatingLeasesFutureMinimumPaymentsDueInFourYears
    Frame CY2014Q3I
    Label Operating Leases, Future Minimum Payments, Due in Four Years
    Taxonomy us-gaap
    Unit USD
    Val 2,593,000
  39. 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 106,826,000
  40. 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 29,004,000
  41. 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 112,347,000
  42. 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 257,543,000
  43. Description The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
    Frame CY2014
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  44. Description The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.
    Fact ProceedsFromRepaymentsOfDebt
    Label Proceeds from (Repayments of) Debt
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  45. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.
    Fact DeferredTaxAssetsOther
    Label Deferred Tax Assets, Other
    Taxonomy us-gaap
    Unit USD
    Val 6,549,000
  46. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareDeclared
    Frame CY2014
    Label Common Stock, Dividends, Per Share, Declared
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.46
  47. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,099,000
  48. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 421,021,000
  49. Description Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.
    Fact FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
    Label Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts
    Start 2013-10-01
    Taxonomy us-gaap
    Unit contract
    Val 46
  50. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 109,730,000
  51. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Frame CY2014Q3I
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 112,000
  52. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 80,260,000
  53. Description The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.
    Fact ProceedsFromSaleOfAvailableForSaleSecurities
    Label Proceeds from Sale of Available-for-sale Securities
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  54. Description Amount of assets classified as other.
    Fact OtherAssets
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 143,028,000
  55. Description Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period.
    Fact InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
    Frame CY2014
    Label Interest Expense, Securities Sold under Agreements to Repurchase
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  56. Description Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
    Fact OperatingLeasesFutureMinimumPaymentsDueInThreeYears
    Frame CY2014Q3I
    Label Operating Leases, Future Minimum Payments, Due in Three Years
    Taxonomy us-gaap
    Unit USD
    Val 3,154,000
  57. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 30,659,000
  58. Description This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 2,003,383,000
  59. Description Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.
    Fact RealEstateInvestmentPropertyNet
    Label Real Estate Investment Property, Net
    Taxonomy us-gaap
    Unit USD
    Val 4,808,000
  60. Description Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.
    Fact EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
    Label Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,142,000
  61. Description Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.
    Fact DeferredTaxLiabilities
    Label Deferred Tax Liabilities, Net
    Taxonomy us-gaap
    Unit USD
    Val 79,865,000
  62. Description Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.
    Fact LoansAndLeasesReceivableNetReportedAmount
    Label Loans and Leases Receivable, Net Amount
    Taxonomy us-gaap
    Unit USD
    Val 8,148,322,000
  63. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,591,000
  64. Description Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.
    Fact UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
    Frame CY2014
    Label Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  65. Description Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.
    Fact ProvisionForLoanLeaseAndOtherLosses
    Label Provision for Loan, Lease, and Other Losses
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -18,758,000
  66. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2013-10-01
    Taxonomy us-gaap
    Unit shares
    Val 90,846
  67. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,176,000
  68. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 244,928,000
  69. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 63,129,000
  70. Description Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity.
    Fact LiabilitiesFairValueDisclosureNonrecurring
    Frame CY2014Q3I
    Label Liabilities, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 0
  71. Description The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.
    Fact StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
    Frame CY2014Q3I
    Label Stock Repurchase Program, Number of Shares Authorized to be Repurchased
    Taxonomy us-gaap
    Unit shares
    Val 5,035,834
  72. Description Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to 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; classified as operating and investing activities.
    Fact InterestPaid
    Label Interest Paid, Including Capitalized Interest, Operating and Investing Activities
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 128,733,000
  73. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 4,767,000
  74. Description The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts.
    Fact InterestExpenseCustomerDeposits
    Label Interest Expense, Customer Deposits
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 58,524,000
  75. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses
    Taxonomy us-gaap
    Unit USD
    Val 48,505,000
  76. 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 2014-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.11
  77. 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
  78. 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 52,037,000
  79. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 73,138,000
  80. Description Amount of income earned, after hedging basis adjustments, from fees charged for prepayment of certain Federal Home Loan Bank (FHLBank) advances before original maturity.
    Fact PrepaymentFeesOnAdvancesNet
    Frame CY2014
    Label Prepayment Fees on Advances, Net
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  81. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Label Current Income Tax Expense (Benefit)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 75,784,000
  82. Description Amount of time deposit liabilities, including certificates of deposit.
    Fact TimeDeposits
    Label Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 5,226,241,000
  83. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Frame CY2014
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  84. 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 14,756,041,000
  85. Description The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.
    Fact OtherBorrowings
    Label Other Borrowings
    Taxonomy us-gaap
    Unit USD
    Val 0
  86. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,303,000
  87. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 533,697,000
  88. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 135,077,000
  89. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 324,000
  90. Description Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits.
    Fact FeesAndCommissionsDepositorAccounts
    Label Fees and Commissions, Depositor Accounts (Deprecated 2018-01-31)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 14,306,000
  91. 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 706,149,000
  92. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Label Other Operating Income (Expense), Net
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 10,808,000
  93. Description Amount of undisbursed portion of the loan receivable balance (loans in process). Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableLoansInProcess
    Label Loans and Leases Receivable, Loans in Process
    Taxonomy us-gaap
    Unit USD
    Val 346,172,000
  94. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,819,000
  95. Description Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.
    Fact LiabilitiesFairValueDisclosureRecurring
    Frame CY2014Q3I
    Label Liabilities, Fair Value Disclosure, Recurring (Deprecated 2018-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 0
  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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 430,850,000
  97. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 324,000
  98. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  99. 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 4,548,660,000
  100. Description Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
    Fact AvailableForSaleSecurities
    Label Available-for-sale Securities
    Taxonomy us-gaap
    Unit USD
    Val 3,049,442,000
  101. Description Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan.
    Fact DefinedContributionPlanMaximumAnnualContributionsPerEmployeePercent
    Frame CY2014
    Label Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 1
  102. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.35
  103. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 17,612,000
  104. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 18,890,000
  105. Description The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.
    Fact InterestExpenseTimeDeposits
    Label Interest Expense, Time Deposits
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 52,636,000
  106. 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 4,564,697,000
  107. Description Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount.
    Fact ReceivableWithImputedInterestDiscount
    Label Receivable with Imputed Interest, Discount
    Taxonomy us-gaap
    Unit USD
    Val 34,483,000
  108. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsNet
    Label Deferred Tax Assets, Net of Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 82,313,000
  109. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 360,665,000
  110. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 42,065,000
  111. Description Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.
    Fact AdvancesFromFederalHomeLoanBanks
    Label Advances from Federal Home Loan Banks
    Taxonomy us-gaap
    Unit USD
    Val 1,930,000,000
  112. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Label Income Taxes Paid
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 64,372,000
  113. Description Number of shares authorized for issuance under share-based payment arrangement.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorized
    Frame CY2014Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 5,000,000
  114. Description The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets.
    Fact FeesAndCommissionsMortgageBanking
    Label Fees and Commissions, Mortgage Banking (Deprecated 2018-01-31)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,706,000
  115. Description Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
    Fact OperatingLeasesFutureMinimumPaymentsDueInTwoYears
    Frame CY2014Q3I
    Label Operating Leases, Future Minimum Payments, Due in Two Years
    Taxonomy us-gaap
    Unit USD
    Val 4,179,000
  116. Description Amount of increase (decrease) in accumulated depreciation, depletion and amortization of property, plant and equipment.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,675,000
  117. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 22,656,000
  118. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Label Current Federal Tax Expense (Benefit)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 70,797,000
  119. Description Amount of loan with fixed rate of interest.
    Fact LoansReceivableWithFixedRatesOfInterest1
    Frame CY2014Q3I
    Label Loans Receivable with Fixed Rates of Interest
    Taxonomy us-gaap
    Unit USD
    Val 6,210,308,000
  120. Description Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
    Fact UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
    Frame CY2014
    Label Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  121. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 781,022,000
  122. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate
    Label Federal Home Loan Bank, Advance, Maturity, Year Five
    Taxonomy us-gaap
    Unit USD
    Val 730,000,000
  123. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Label Proceeds from Issuance of Long-term Debt
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  124. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 81,388,000
  125. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,142,000
  126. Description Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
    Fact GoodwillAcquiredDuringPeriod
    Label Goodwill, Acquired During Period
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 31,226,000
  127. Description Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the 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. Includes effect from exchange rate changes.
    Fact CashAndCashEquivalentsPeriodIncreaseDecrease
    Label Cash and Cash Equivalents, Period Increase (Decrease)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 578,280,000
  128. Description Amount of cost not yet recognized for nonvested award under share-based payment arrangement.
    Fact EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
    Frame CY2014Q3I
    Label Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount
    Taxonomy us-gaap
    Unit USD
    Val 357,218
  129. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 59,076,000
  130. Description Amount of addition to allowance reserve for credit loss arising from purchase of loan and lease portfolios.
    Fact AllowanceForLoanAndLeaseLossesLoansAcquired
    Frame CY2014
    Label Allowance for Loan and Lease Losses, Loans Acquired
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  131. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 128,077,000
  132. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 31,684,000
  133. Description Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact LeaseAndRentalExpense
    Label Operating Leases, Rent Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,600,000
  134. Description Interest expense incurred on all savings account deposits.
    Fact InterestExpenseSavingsDeposits
    Label Interest Expense, Savings Deposits
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 607,000
  135. 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 781,843,000
  136. Description Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.
    Fact DeferredTaxAssetsLiabilitiesNet
    Label Deferred Tax Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 2,448,000
  137. Description Exercise price per share or per unit of warrants or rights outstanding.
    Fact ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights
    Frame CY2014Q3I
    Label Class of Warrant or Right, Exercise Price of Warrants or Rights (Deprecated 2014-01-31)
    Taxonomy us-gaap
    Unit USD/unit
    Val 17.57
  138. Description Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,136,000
  139. Description Amount of unrealized loss on securities classified as available-for-sale.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss (Deprecated 2018-01-31)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 58,165,000
  140. 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 1,499,218,000
  141. Description The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  142. Description Amount of unrealized loss on investments in available-for-sale securities that have been in a loss position for less than twelve months.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss (Deprecated 2018-01-31)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 812,000
  143. 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 16,515,000
  144. Description Number of shares that have been repurchased during the period and are being held in treasury.
    Fact TreasuryStockSharesAcquired
    Label Treasury Stock, Shares, Acquired
    Start 2013-10-01
    Taxonomy us-gaap
    Unit shares
    Val 4,830,400
  145. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Label Noninterest Income, Other Operating Income
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,647,000
  146. Description Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableRecordedInvestment
    Label Impaired Financing Receivable, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 435,185,000
  147. Description Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableGrossCarryingAmount
    Label Loans and Leases Receivable, Gross
    Taxonomy us-gaap
    Unit USD
    Val 8,669,717,000
  148. Description "The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future."
    Fact NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1
    Label Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,776,660,000
  149. Description Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.
    Fact DeferredTaxLiabilitiesPropertyPlantAndEquipment
    Label Deferred Tax Liabilities, Property, Plant and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 22,021,000
  150. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 104,291,000
  151. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
    Label Federal Home Loan Bank, Advance, Maturity, Year One
    Taxonomy us-gaap
    Unit USD
    Val 100,000,000
  152. 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 2013-10-01
    Taxonomy us-gaap
    Unit shares
    Val 101,154,030
  153. Description Reflects the amount of the write-down related to a troubled debt restructuring.
    Fact FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
    Label Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 374,743,000
  154. Description Amount of cash outflow (inflow) from acquisition (sale) of Federal Home Loan Bank (FHLBank) stock.
    Fact PaymentsForProceedsFromFederalHomeLoanBankStock
    Label Payments for (Proceeds from) Federal Home Loan Bank Stock
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -14,017,000
  155. Description Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
    Label Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 60,000
  156. 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 133,322,909
  157. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -15,401,000
  158. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val -3,465,000
  159. Description The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.03
  160. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 2.95
  161. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 609,395,000
  162. Description Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.
    Fact OperatingLeasesFutureMinimumPaymentsDueCurrent
    Frame CY2014Q3I
    Label Operating Leases, Future Minimum Payments Due, Next Twelve Months
    Taxonomy us-gaap
    Unit USD
    Val 6,221,000
  163. Description The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
    Frame CY2014Q3I
    Label Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant
    Taxonomy us-gaap
    Unit shares
    Val 4,125,600
  164. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecurities
    Label Debt Securities, Held-to-maturity
    Taxonomy us-gaap
    Unit USD
    Val 1,548,265,000
  165. 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 12,782,758,000
  166. Description Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentGross
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 330,681,000
  167. Description Amount of interest-bearing domestic checking deposit liabilities.
    Fact InterestBearingDomesticDepositChecking
    Label Interest-bearing Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit USD
    Val 2,331,170,000
  168. 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 14,756,041,000
  169. Description The risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
    Frame CY2014
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  170. Description Amount of loan with variable or adjustable rate of interest.
    Fact LoansReceivableWithVariableRatesOfInterest1
    Frame CY2014Q3I
    Label Loans Receivable with Variable Rates of Interest
    Taxonomy us-gaap
    Unit USD
    Val 2,459,409,000
  171. Description Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.
    Fact StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
    Label Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,444,000
  172. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.56
  173. 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 2014-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.41
  174. Description The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.
    Fact ProceedsFromSaleOfPropertyHeldForSale
    Label Proceeds from Sale of Property Held-for-sale
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 73,895,000
  175. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 157,364,000
  176. 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 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 40,561,000
  177. Description Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
    Fact UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
    Frame CY2014
    Label Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  178. Description Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).
    Fact DepositsSavingsDeposits
    Label Deposits, Savings Deposits
    Taxonomy us-gaap
    Unit USD
    Val 622,546,000
  179. Description Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableDeferredIncome
    Label Loans and Leases Receivable, Deferred Income
    Taxonomy us-gaap
    Unit USD
    Val 37,485,000
  180. Description The maximum balance outstanding at any month end during the period as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End
    Taxonomy us-gaap
    Unit USD
    Val 2,205,000,000
  181. 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 525,108,000
  182. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 1,642,718,000
  183. Description Amount of financing receivable modified as troubled debt restructuring.
    Fact FinancingReceivableModificationsRecordedInvestment
    Label Financing Receivable, Troubled Debt Restructuring
    Taxonomy us-gaap
    Unit USD
    Val 8,396,000
  184. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 104,291,000
  185. Description The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.
    Fact PaymentsToAcquireAvailableForSaleSecurities
    Label Payments to Acquire Available-for-sale Securities
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,280,477,000
  186. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 204,009,000
  187. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2014-07-01
    Taxonomy us-gaap
    Unit USD
    Val 54,537,000
  188. Description Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.
    Fact ImpairedFinancingReceivableUnpaidPrincipalBalance
    Label Impaired Financing Receivable, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 470,190,000
  189. Description This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.
    Fact AvailableForSaleSecuritiesAmortizedCost
    Label Available-for-sale Securities, Amortized Cost Basis
    Taxonomy us-gaap
    Unit USD
    Val 3,016,432,000
  190. 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 2013-10-01
    Taxonomy us-gaap
    Unit shares
    Val 101,590,351
  191. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 45,665,000
  192. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  193. Description Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.
    Fact DepositsMoneyMarketDeposits
    Label Deposits, Money Market Deposits
    Taxonomy us-gaap
    Unit USD
    Val 2,536,971,000
  194. Description Maximum amount the employee may contribute to a defined contribution plan.
    Fact DefinedContributionPlanMaximumAnnualContributionsPerEmployeeAmount
    Frame CY2014
    Label Defined Contribution Plan, Maximum Annual Contributions Per Employee, Amount
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 52,000
  195. Description The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.
    Fact UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate
    Frame CY2014Q3I
    Label Unrecognized Tax Benefits that Would Impact Effective Tax Rate
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  196. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val -0.01
  197. 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 1,973,283,000
  198. Description Amount recognized for uncertainty in income taxes classified as noncurrent.
    Fact LiabilityForUncertainTaxPositionsNoncurrent
    Label Liability for Uncertainty in Income Taxes, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 100,000
  199. Description Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
    Fact UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions
    Frame CY2014
    Label Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  200. Description Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
    Frame CY2014
    Label Proceeds from Sale of Debt Securities, Available-for-sale
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  201. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -2,743,000
  202. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,189,000
  203. 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 133,323,000
  204. Description Interest expense incurred on all money market deposits.
    Fact InterestExpenseMoneyMarketDeposits
    Label Interest Expense, Money Market Deposits
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,574,000
  205. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.36
  206. Description Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableAverageRecordedInvestment
    Label Impaired Financing Receivable, Average Recorded Investment
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 403,138,000
  207. Description Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.
    Fact FederalHomeLoanBankStockAndFederalReserveBankStock
    Label Federal Home Loan Bank Stock and Federal Reserve Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 158,839,000
  208. Description "The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."
    Fact NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1
    Label Noncash or Part Noncash Acquisition, Value of Liabilities Assumed
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,856,902,000
  209. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate
    Label Federal Home Loan Bank, Advance, Maturity, after Year Five
    Taxonomy us-gaap
    Unit USD
    Val 400,000,000
  210. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 173,715,000
  211. Description Amount of allowance for credit losses related to recorded investment.
    Fact ImpairedFinancingReceivableRelatedAllowance
    Label Impaired Financing Receivable, Related Allowance
    Taxonomy us-gaap
    Unit USD
    Val 10,587,000
  212. 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 20,708,000
  213. 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 98,404,705
  214. Description Weighted average interest rate calculated at point in time for domestic deposit liability.
    Fact WeightedAverageRateDomesticDeposit
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  215. Description The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).
    Fact CashAcquiredFromAcquisition
    Label Cash Acquired from Acquisition
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,776,660,000
  216. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 30,452,000
  217. Description Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.
    Fact InterestReceivable
    Label Interest Receivable
    Taxonomy us-gaap
    Unit USD
    Val 52,037,000
  218. Description Amount of cost for defined contribution plan.
    Fact DefinedContributionPlanCostRecognized
    Label Defined Contribution Plan, Cost
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,314,000
  219. Description The cash outflow from (a) purchases of loans held-for-investment, (b) purchases of leases held-for-investment, and (c) both.
    Fact PaymentsToAcquireLoansAndLeasesHeldForInvestment
    Label Payments to Acquire Loans and Leases Held-for-investment
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 218,544,000
  220. Description This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGains
    Label Available-for-sale Securities, Gross Realized Gains
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  221. Description Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.
    Fact EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
    Label Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 159,000
  222. Description Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.
    Fact LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest
    Label Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest
    Taxonomy us-gaap
    Unit USD
    Val 87,431,000
  223. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -13,439,000
  224. Description Amount of interest expense accrued for an underpayment of income taxes.
    Fact UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
    Label Unrecognized Tax Benefits, Interest on Income Taxes Accrued
    Taxonomy us-gaap
    Unit USD
    Val 12,000
  225. Description Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.
    Fact DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
    Frame CY2014Q3I
    Label Deferred Tax Liabilities, Intangible Assets
    Taxonomy us-gaap
    Unit USD
    Val 0
  226. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Label Current State and Local Tax Expense (Benefit)
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,987,000
  227. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2013-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  228. Description Percentage of employees' gross pay for which the employer contributes a matching contribution to a defined contribution plan.
    Fact DefinedContributionPlanEmployerMatchingContributionPercent
    Label Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay
    Start 2014-01-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  229. 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
  230. 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 CY2014
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,326,000
  231. Description Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.
    Fact UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
    Frame CY2014
    Label Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 35,000
  232. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 17,799,000
  233. 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 1,930,000,000
  234. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,252,000
  235. Description Amount of noncash expense for option under share-based payment arrangement.
    Fact StockOptionPlanExpense
    Label Stock or Unit Option Plan Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 324,000
  236. Description Early withdrawal penalties on domestic deposits which discourage customer withdrawal prior to maturity.
    Fact InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties
    Label Interest Expense Domestic Deposit Liabilities, Withdrawal Penalties
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 552,000

Facts up to 2014-06-30

  1. 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 2014-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.37
  2. 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 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 21,092,000
  3. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 103,279,000
  4. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 59,002,000
  5. 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 2014-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.1
  6. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 135,011,000
  7. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Label Other Operating Income (Expense), Net
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 6,016,000
  8. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 31,732,000
  9. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val -3,000,000
  10. 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 2014-04-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.38
  11. 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 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 37,910,000
  12. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2014-04-01
    Taxonomy us-gaap
    Unit USD
    Val 53,293,000

Facts up to 2014-03-31

  1. Description The aggregate market value of the voting and non-voting common equity held by non-affiliates computed by reference to the price at which the common equity was last sold, or the average bid and asked price of such common equity, as of the last business day of the registrant's most recently completed second fiscal quarter.
    Fact EntityPublicFloat
    Frame CY2014Q1I
    Label Entity Public Float
    Taxonomy dei
    Unit USD
    Val 2,343,718,830
  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 2014-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.38
  3. 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 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 21,511,000
  4. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 100,636,000
  5. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 60,168,000
  6. 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 2014-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.1
  7. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 132,351,000
  8. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Label Other Operating Income (Expense), Net
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 7,255,000
  9. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 31,715,000
  10. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val -4,336,000
  11. 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 2014-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.38
  12. 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 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 38,657,000
  13. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2014-01-01
    Taxonomy us-gaap
    Unit USD
    Val 52,059,000

Facts up to 2013-12-31

  1. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.39
  2. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 22,393,000
  3. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 98,312,000
  4. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 62,629,000
  5. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.1
  6. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 131,258,000
  7. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Label Other Operating Income (Expense), Net
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,837,000
  8. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 32,946,000
  9. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val -4,600,000
  10. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.39
  11. 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 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 40,236,000
  12. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2013-10-01
    Taxonomy us-gaap
    Unit USD
    Val 44,120,000

Facts up to 2013-09-30

  1. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.45
  2. Description The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.
    Fact EarningsPerShareDiluted
    Frame CY2013Q3
    Label Earnings Per Share, Diluted
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.41
  3. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 83,111,000
  4. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2013Q3
    Label Income Tax Expense (Benefit)
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 24,293,000
  5. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 380,132,000
  6. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Frame CY2013Q3
    Label Interest Income (Expense), Net
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 96,959,000
  7. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -223,515,000
  8. Description Amount, after the effects of master netting arrangements, of funds outstanding borrowed in the form of a security repurchase agreement between the entity and another party for the sale and repurchase of identical or substantially the same securities at a date certain for a specified price. Includes liabilities not subject to a master netting arrangement and not elected to be offset.
    Fact SecuritiesSoldUnderAgreementsToRepurchase
    Label Securities Sold under Agreements to Repurchase
    Taxonomy us-gaap
    Unit USD
    Val 0
  9. 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 260,277,000
  10. Description Amount, after troubled debt restructuring, of modified financing receivable.
    Fact FinancingReceivableModificationsPostModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Postmodification
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 123,463,000
  11. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -6,928,000
  12. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 787,449,000
  13. 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 CY2013Q3I
    Label Additional Paid in Capital, Common Stock
    Taxonomy us-gaap
    Unit USD
    Val 1,625,051,000
  14. 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 CY2013Q3I
    Label Real Estate Held-for-sale
    Taxonomy us-gaap
    Unit USD
    Val 72,925,000
  15. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  16. Description Amount of cash outflow to acquire Federal Reserve Bank (FRB) stock.
    Fact PaymentsToAcquireFederalReserveStock
    Label Payments to Acquire Federal Reserve Bank Stock
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 23,981,000
  17. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -337,395,000
  18. Description Number of financing receivables that have been modified by troubled debt restructurings.
    Fact FinancingReceivableModificationsNumberOfContracts2
    Label Financing Receivable, Modifications, Number of Contracts
    Start 2012-10-01
    Taxonomy us-gaap
    Unit contract
    Val 453
  19. Description "The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."
    Fact NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
    Label Noncash or Part Noncash Acquisition, Value of Assets Acquired
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 607,193,000
  20. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 12,214,000
  21. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 331,022,000
  22. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Label Deferred Income Tax Expense (Benefit)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 11,142,000
  23. Description Amount of increase in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
    Fact UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions
    Label Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 234,000
  24. Description Amount, before troubled debt restructuring, of financing receivable to be modified.
    Fact FinancingReceivableModificationsPreModificationRecordedInvestment2
    Label Financing Receivable, Troubled Debt Restructuring, Premodification
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 123,463,000
  25. Description Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.
    Fact InterestExpenseDemandDepositAccounts
    Label Interest Expense, Demand Deposit Accounts
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 936,000
  26. 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 CY2013Q3I
    Label Treasury Stock, Shares
    Taxonomy us-gaap
    Unit shares
    Val 30,087,804
  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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 151,505,000
  28. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Label Interest Expense, Borrowings
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 68,256,000
  29. Description Amount of unrealized loss on securities classified as available-for-sale that have been in a loss position for twelve months or longer.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPosition12MonthsOrLongerAggregateLosses
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss (Deprecated 2018-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,711,000
  30. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 29,246,000
  31. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Label Other Noninterest Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 22,201,000
  32. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 144,577,000
  33. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences from reserves, classified as other.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsReserves
    Frame CY2013Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Reserves
    Taxonomy us-gaap
    Unit USD
    Val 18,018,000
  34. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 24,798,000
  35. Description The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesCollectivelyEvaluatedForImpairment
    Frame CY2013Q3I
    Label Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 15,137,000
  36. Description Amount of liabilities incurred and payable to vendors for goods and services received, and accrued liabilities classified as other.
    Fact AccountsPayableAndOtherAccruedLiabilities
    Frame CY2013Q3I
    Label Accounts Payable and Other Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 82,510,000
  37. 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 CY2013Q3I
    Label Advance Payments by Borrowers for Taxes and Insurance
    Taxonomy us-gaap
    Unit USD
    Val 42,443,000
  38. 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 116,741,000
  39. 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 CY2013Q3I
    Label Property, Plant and Equipment, Net
    Taxonomy us-gaap
    Unit USD
    Val 206,172,000
  40. Description The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  41. Description The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.
    Fact ProceedsFromRepaymentsOfDebt
    Label Proceeds from (Repayments of) Debt
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -22,470,000
  42. Description Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary differences, classified as other.
    Fact DeferredTaxAssetsOther
    Frame CY2013Q3I
    Label Deferred Tax Assets, Other
    Taxonomy us-gaap
    Unit USD
    Val 3,810,000
  43. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareDeclared
    Frame CY2013
    Label Common Stock, Dividends, Per Share, Declared
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.36
  44. Description Amount of writeoff of financing receivable, charged against allowance for credit loss.
    Fact FinancingReceivableAllowanceForCreditLossesWriteOffs
    Label Financing Receivable, Allowance for Credit Loss, Writeoff
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 34,101,000
  45. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 378,782,000
  46. Description Number of financing receivable contracts modified as troubled debt restructuring within previous 12 months, with subsequent payment default.
    Fact FinancingReceivableModificationsSubsequentDefaultNumberOfContracts1
    Label Financing Receivable, Troubled Debt Restructuring, Subsequent Default, Number of Contracts
    Start 2012-10-01
    Taxonomy us-gaap
    Unit contract
    Val 83
  47. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 90,815,000
  48. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Frame CY2013Q3I
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 115,000
  49. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 48,520,000
  50. Description The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.
    Fact ProceedsFromSaleOfAvailableForSaleSecurities
    Label Proceeds from Sale of Available-for-sale Securities
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 43,198,000
  51. Description Amount of assets classified as other.
    Fact OtherAssets
    Frame CY2013Q3I
    Label Other Assets
    Taxonomy us-gaap
    Unit USD
    Val 125,076,000
  52. Description Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period.
    Fact InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
    Label Interest Expense, Securities Sold under Agreements to Repurchase
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  53. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 21,933,000
  54. Description This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionFairValue
    Frame CY2013Q3I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 2,255,848,000
  55. Description Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.
    Fact RealEstateInvestmentPropertyNet
    Frame CY2013Q3I
    Label Real Estate Investment Property, Net
    Taxonomy us-gaap
    Unit USD
    Val 9,392,000
  56. Description Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.
    Fact EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
    Label Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,261,000
  57. Description Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences without jurisdictional netting.
    Fact DeferredTaxLiabilities
    Frame CY2013Q3I
    Label Deferred Tax Liabilities, Net
    Taxonomy us-gaap
    Unit USD
    Val 78,000,000
  58. Description Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.
    Fact LoansAndLeasesReceivableNetReportedAmount
    Frame CY2013Q3I
    Label Loans and Leases Receivable, Net Amount
    Taxonomy us-gaap
    Unit USD
    Val 7,528,030,000
  59. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,355,000
  60. Description Amount of decrease in unrecognized tax benefits resulting from settlements with taxing authorities.
    Fact UnrecognizedTaxBenefitsDecreasesResultingFromSettlementsWithTaxingAuthorities
    Frame CY2013
    Label Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 302,000
  61. Description Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.
    Fact ProvisionForLoanLeaseAndOtherLosses
    Label Provision for Loan, Lease, and Other Losses
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,350,000
  62. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2012-10-01
    Taxonomy us-gaap
    Unit shares
    Val 435,825
  63. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,000,000
  64. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 234,616,000
  65. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Frame CY2013Q3
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 67,199,000
  66. Description Aggregation of the liabilities reported on the balance sheet measured at fair value on a nonrecurring basis by the entity.
    Fact LiabilitiesFairValueDisclosureNonrecurring
    Frame CY2013Q3I
    Label Liabilities, Fair Value Disclosure, Nonrecurring (Deprecated 2018-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 0
  67. Description Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to 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; classified as operating and investing activities.
    Fact InterestPaid
    Label Interest Paid, Including Capitalized Interest, Operating and Investing Activities
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 140,409,000
  68. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from accrued liabilities.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsAccruedLiabilities
    Frame CY2013Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Accrued Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 6,536,000
  69. Description The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts.
    Fact InterestExpenseCustomerDeposits
    Label Interest Expense, Customer Deposits
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 67,903,000
  70. Description Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from the provision for loan losses.
    Fact DeferredTaxAssetsTaxDeferredExpenseReservesAndAccrualsProvisionForLoanLosses
    Frame CY2013Q3I
    Label Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Provision for Loan Losses
    Taxonomy us-gaap
    Unit USD
    Val 52,182,000
  71. Description Aggregate dividends paid during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareCashPaid
    Frame CY2013Q3
    Label Common Stock, Dividends, Per Share, Cash Paid
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.1
  72. Description Face amount or stated value per share of common stock.
    Fact CommonStockParOrStatedValuePerShare
    Frame CY2013Q3I
    Label Common Stock, Par or Stated Value Per Share
    Taxonomy us-gaap
    Unit USD/shares
    Val 1
  73. Description Interest, dividends, rents, ancillary and other revenues earned but not yet received by the entity on its investments.
    Fact AccruedInvestmentIncomeReceivable
    Frame CY2013Q3I
    Label Accrued Investment Income Receivable
    Taxonomy us-gaap
    Unit USD
    Val 49,218,000
  74. Description Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
    Frame CY2013Q3I
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 64,419,000
  75. Description Amount of income earned, after hedging basis adjustments, from fees charged for prepayment of certain Federal Home Loan Bank (FHLBank) advances before original maturity.
    Fact PrepaymentFeesOnAdvancesNet
    Label Prepayment Fees on Advances, Net
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  76. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Label Current Income Tax Expense (Benefit)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 71,969,000
  77. Description Amount of time deposit liabilities, including certificates of deposit.
    Fact TimeDeposits
    Frame CY2013Q3I
    Label Time Deposits
    Taxonomy us-gaap
    Unit USD
    Val 5,549,429,000
  78. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  79. Description Amount of liabilities and equity items, including the portion of equity attributable to noncontrolling interests, if any.
    Fact LiabilitiesAndStockholdersEquity
    Frame CY2013Q3I
    Label Liabilities and Equity
    Taxonomy us-gaap
    Unit USD
    Val 13,082,859,000
  80. Description The carrying amount as of the balance sheet date for the aggregate of other miscellaneous borrowings owed by the reporting entity.
    Fact OtherBorrowings
    Label Other Borrowings
    Taxonomy us-gaap
    Unit USD
    Val 0
  81. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 10,999,000
  82. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 516,291,000
  83. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Frame CY2013Q3
    Label Interest and Dividend Income, Operating
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 130,302,000
  84. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Label Share-based Payment Arrangement, Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 473,000
  85. Description Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits.
    Fact FeesAndCommissionsDepositorAccounts
    Label Fees and Commissions, Depositor Accounts (Deprecated 2018-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,015,000
  86. Description The cumulative amount of the reporting entity's undistributed earnings or deficit.
    Fact RetainedEarningsAccumulatedDeficit
    Frame CY2013Q3I
    Label Retained Earnings (Accumulated Deficit)
    Taxonomy us-gaap
    Unit USD
    Val 594,450,000
  87. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Frame CY2013Q3
    Label Other Operating Income (Expense), Net
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 11,157,000
  88. Description Amount of undisbursed portion of the loan receivable balance (loans in process). Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableLoansInProcess
    Frame CY2013Q3I
    Label Loans and Leases Receivable, Loans in Process
    Taxonomy us-gaap
    Unit USD
    Val 275,577,000
  89. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 330,000
  90. Description Aggregation of the liabilities reported on the balance sheet measured at fair value on a recurring basis by the entity.
    Fact LiabilitiesFairValueDisclosureRecurring
    Frame CY2013Q3I
    Label Liabilities, Fair Value Disclosure, Recurring (Deprecated 2018-01-31)
    Taxonomy us-gaap
    Unit USD
    Val 0
  91. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 454,915,000
  92. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 473,000
  93. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  94. 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 CY2013Q3I
    Label Investments, Fair Value Disclosure
    Taxonomy us-gaap
    Unit USD
    Val 3,943,797,000
  95. Description Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.
    Fact AvailableForSaleSecurities
    Frame CY2013Q3I
    Label Available-for-sale Securities
    Taxonomy us-gaap
    Unit USD
    Val 2,360,948,000
  96. Description The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.
    Fact GainLossOnSaleOfSecuritiesNet
    Label Gain (Loss) on Sale of Securities, Net (Deprecated 2018-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  97. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.35
  98. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -10,166,000
  99. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -17,462,000
  100. Description The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.
    Fact InterestExpenseTimeDeposits
    Label Interest Expense, Time Deposits
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 62,669,000
  101. Description Sum of the carrying amounts as of the balance sheet date of all investments.
    Fact Investments
    Frame CY2013Q3I
    Label Investments
    Taxonomy us-gaap
    Unit USD
    Val 4,005,530,000
  102. Description Disclosure of the unamortized amount of the discount on the note or receivable which is deducted from the face amount of the receivable or loan. The discount or premium is the difference between the present value and the face amount.
    Fact ReceivableWithImputedInterestDiscount
    Frame CY2013Q3I
    Label Receivable with Imputed Interest, Discount
    Taxonomy us-gaap
    Unit USD
    Val 66,301,000
  103. Description Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.
    Fact DeferredTaxAssetsNet
    Frame CY2013Q3I
    Label Deferred Tax Assets, Net of Valuation Allowance
    Taxonomy us-gaap
    Unit USD
    Val 100,554,000
  104. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for less than twelve months.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThanTwelveMonthsFairValue
    Frame CY2013Q3I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 2,065,491,000
  105. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 37,835,000
  106. Description Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.
    Fact AdvancesFromFederalHomeLoanBanks
    Frame CY2013Q3I
    Label Advances from Federal Home Loan Banks
    Taxonomy us-gaap
    Unit USD
    Val 1,930,000,000
  107. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Label Income Taxes Paid
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 80,417,000
  108. Description The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets.
    Fact FeesAndCommissionsMortgageBanking
    Label Fees and Commissions, Mortgage Banking (Deprecated 2018-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,585,000
  109. Description Amount of increase (decrease) in accumulated depreciation, depletion and amortization of property, plant and equipment.
    Fact AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipmentPeriodIncreaseDecrease
    Label Accumulated Depreciation, Depletion and Amortization, Property, Plant and Equipment, Period Increase (Decrease)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,815,000
  110. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -10,953,000
  111. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Label Current Federal Tax Expense (Benefit)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 66,756,000
  112. Description Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns.
    Fact UnrecognizedTaxBenefitsDecreasesResultingFromPriorPeriodTaxPositions
    Label Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,293,000
  113. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -391,894,000
  114. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueFromFourToFiveYearsOfBalanceSheetDate
    Frame CY2013Q3I
    Label Federal Home Loan Bank, Advance, Maturity, Year Five
    Taxonomy us-gaap
    Unit USD
    Val 850,000,000
  115. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Label Proceeds from Issuance of Long-term Debt
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 50,000,000
  116. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 77,111,000
  117. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,260,000
  118. Description Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.
    Fact GoodwillAcquiredDuringPeriod
    Label Goodwill, Acquired During Period
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,624,000
  119. Description Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the 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. Includes effect from exchange rate changes.
    Fact CashAndCashEquivalentsPeriodIncreaseDecrease
    Label Cash and Cash Equivalents, Period Increase (Decrease)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -547,867,000
  120. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Label Interest Expense, Deposits
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 68,451,000
  121. Description Amount of addition to allowance reserve for credit loss arising from purchase of loan and lease portfolios.
    Fact AllowanceForLoanAndLeaseLossesLoansAcquired
    Frame CY2013
    Label Allowance for Loan and Lease Losses, Loans Acquired
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  122. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 136,159,000
  123. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2013Q3
    Label Interest Expense
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 33,343,000
  124. Description Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact LeaseAndRentalExpense
    Label Operating Leases, Rent Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,680,000
  125. Description Interest expense incurred on all savings account deposits.
    Fact InterestExpenseSavingsDeposits
    Label Interest Expense, Savings Deposits
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 566,000
  126. 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 203,563,000
  127. Description Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting.
    Fact DeferredTaxAssetsLiabilitiesNet
    Frame CY2013Q3I
    Label Deferred Tax Assets, Net
    Taxonomy us-gaap
    Unit USD
    Val 22,554,000
  128. Description Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 781,000
  129. Description Amount of unrealized loss on securities classified as available-for-sale.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionAggregateLosses
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss (Deprecated 2018-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 84,806,000
  130. Description Fair value of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecuritiesFairValue
    Frame CY2013Q3I
    Label Debt Securities, Held-to-maturity, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 1,582,849,000
  131. Description The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  132. Description Amount of unrealized loss on investments in available-for-sale securities that have been in a loss position for less than twelve months.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionLessThan12MonthsAggregateLosses
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss (Deprecated 2018-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 83,095,000
  133. 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 CY2013Q3I
    Label Income Taxes Receivable
    Taxonomy us-gaap
    Unit USD
    Val 44,000,000
  134. Description Number of shares that have been repurchased during the period and are being held in treasury.
    Fact TreasuryStockSharesAcquired
    Label Treasury Stock, Shares, Acquired
    Start 2012-10-01
    Taxonomy us-gaap
    Unit shares
    Val 6,315,196
  135. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Label Noninterest Income, Other Operating Income
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,333,000
  136. Description Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableRecordedInvestment
    Frame CY2013Q3I
    Label Impaired Financing Receivable, Recorded Investment
    Taxonomy us-gaap
    Unit USD
    Val 454,557,000
  137. Description Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableGrossCarryingAmount
    Frame CY2013Q3I
    Label Loans and Leases Receivable, Gross
    Taxonomy us-gaap
    Unit USD
    Val 7,990,545,000
  138. Description "The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future."
    Fact NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1
    Label Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -168,816,000
  139. Description Amount of deferred tax liability attributable to taxable temporary differences from property, plant, and equipment.
    Fact DeferredTaxLiabilitiesPropertyPlantAndEquipment
    Frame CY2013Q3I
    Label Deferred Tax Liabilities, Property, Plant and Equipment
    Taxonomy us-gaap
    Unit USD
    Val 19,722,000
  140. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 110,238,000
  141. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueWithinOneYearOfBalanceSheetDate
    Frame CY2013Q3I
    Label Federal Home Loan Bank, Advance, Maturity, Year One
    Taxonomy us-gaap
    Unit USD
    Val 0
  142. 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 2012-10-01
    Taxonomy us-gaap
    Unit shares
    Val 104,684,812
  143. Description Reflects the amount of the write-down related to a troubled debt restructuring.
    Fact FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown
    Label Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 415,696,000
  144. Description Amount of cash outflow (inflow) from acquisition (sale) of Federal Home Loan Bank (FHLBank) stock.
    Fact PaymentsForProceedsFromFederalHomeLoanBankStock
    Label Payments for (Proceeds from) Federal Home Loan Bank Stock
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -5,894,000
  145. Description Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.
    Fact FinancingReceivableAllowanceForCreditLossesIndividuallyEvaluatedForImpairment1
    Frame CY2013Q3I
    Label Financing Receivable, Allowance for Credit Losses, Individually Evaluated for Impairment
    Taxonomy us-gaap
    Unit USD
    Val 3,473,000
  146. 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 CY2013Q3I
    Label Common Stock, Shares, Issued
    Taxonomy us-gaap
    Unit shares
    Val 132,572,475
  147. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,350,000
  148. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Frame CY2013Q3
    Label Provision for Loan and Lease Losses
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val -2,250,000
  149. Description The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  150. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 3.24
  151. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 275,726,000
  152. Description Amount of investment in debt security measured at amortized cost (held-to-maturity).
    Fact HeldToMaturitySecurities
    Frame CY2013Q3I
    Label Debt Securities, Held-to-maturity
    Taxonomy us-gaap
    Unit USD
    Val 1,654,666,000
  153. 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 CY2013Q3I
    Label Liabilities
    Taxonomy us-gaap
    Unit USD
    Val 11,145,224,000
  154. Description Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.
    Fact PropertyPlantAndEquipmentGross
    Frame CY2013Q3I
    Label Property, Plant and Equipment, Gross
    Taxonomy us-gaap
    Unit USD
    Val 270,591,000
  155. Description Amount of interest-bearing domestic checking deposit liabilities.
    Fact InterestBearingDomesticDepositChecking
    Frame CY2013Q3I
    Label Interest-bearing Domestic Deposit, Checking
    Taxonomy us-gaap
    Unit USD
    Val 1,247,885,000
  156. 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 CY2013Q3I
    Label Assets
    Taxonomy us-gaap
    Unit USD
    Val 13,082,859,000
  157. Description The risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0
  158. Description Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.
    Fact StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
    Label Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,152,000
  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 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.45
  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
    Frame CY2013Q3
    Label Earnings Per Share, Basic
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.42
  161. Description The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.
    Fact ProceedsFromSaleOfPropertyHeldForSale
    Label Proceeds from Sale of Property Held-for-sale
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 115,615,000
  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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 151,505,000
  163. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2013Q3
    Label Net Income (Loss) Attributable to Parent
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 42,906,000
  164. Description Amount of increase in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
    Fact UnrecognizedTaxBenefitsIncreasesResultingFromCurrentPeriodTaxPositions
    Label Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  165. Description Amount of interest bearing deposits with no stated maturity, which may include passbook and statement savings accounts and money-market deposit accounts (MMDAs).
    Fact DepositsSavingsDeposits
    Frame CY2013Q3I
    Label Deposits, Savings Deposits
    Taxonomy us-gaap
    Unit USD
    Val 404,937,000
  166. Description Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.
    Fact LoansAndLeasesReceivableDeferredIncome
    Frame CY2013Q3I
    Label Loans and Leases Receivable, Deferred Income
    Taxonomy us-gaap
    Unit USD
    Val 36,054,000
  167. Description The maximum balance outstanding at any month end during the period as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd
    Label Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End
    Taxonomy us-gaap
    Unit USD
    Val 1,930,000,000
  168. 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 CY2013Q3I
    Label Treasury Stock, Value
    Taxonomy us-gaap
    Unit USD
    Val 420,817,000
  169. Description This item represents the aggregate fair value of investments in debt and equity securities categorized neither as held-to-maturity nor trading securities that have been in a continuous unrealized loss position for twelve months or longer.
    Fact AvailableForSaleSecuritiesContinuousUnrealizedLossPositionTwelveMonthsOrLongerFairValue
    Frame CY2013Q3I
    Label Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value
    Taxonomy us-gaap
    Unit USD
    Val 190,357,000
  170. Description Amount of financing receivable modified as troubled debt restructuring.
    Fact FinancingReceivableModificationsRecordedInvestment
    Frame CY2013Q3I
    Label Financing Receivable, Troubled Debt Restructuring
    Taxonomy us-gaap
    Unit USD
    Val 20,139,000
  171. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Label Payments for Repurchase of Common Stock
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 110,238,000
  172. Description The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.
    Fact PaymentsToAcquireAvailableForSaleSecurities
    Label Payments to Acquire Available-for-sale Securities
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 889,595,000
  173. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 164,240,000
  174. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2013Q3
    Label Noninterest Expense
    Start 2013-07-01
    Taxonomy us-gaap
    Unit USD
    Val 43,167,000
  175. Description Amount of unpaid principal balance of impaired financing receivables with related allowance for credit losses and without related allowance for credit losses.
    Fact ImpairedFinancingReceivableUnpaidPrincipalBalance
    Frame CY2013Q3I
    Label Impaired Financing Receivable, Unpaid Principal Balance
    Taxonomy us-gaap
    Unit USD
    Val 510,623,000
  176. Description This item represents the cost of debt and equity securities, which are categorized neither as held-to-maturity nor trading, net of adjustments including accretion, amortization, collection of cash, previous other-than-temporary impairments recognized in earnings (less any cumulative-effect adjustments recognized, as defined), and fair value hedge accounting adjustments, if any.
    Fact AvailableForSaleSecuritiesAmortizedCost
    Frame CY2013Q3I
    Label Available-for-sale Securities, Amortized Cost Basis
    Taxonomy us-gaap
    Unit USD
    Val 2,350,864,000
  177. 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 2012-10-01
    Taxonomy us-gaap
    Unit shares
    Val 104,837,470
  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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 37,835,000
  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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  180. Description Amount of deposits in accounts that offer many of the same services as checking accounts although transactions may be somewhat more limited, share some of the characteristics of a money market fund and are insured by the Federal government, also known as money market accounts.
    Fact DepositsMoneyMarketDeposits
    Frame CY2013Q3I
    Label Deposits, Money Market Deposits
    Taxonomy us-gaap
    Unit USD
    Val 1,888,020,000
  181. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val -0.02
  182. 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 1,937,635,000
  183. Description Amount recognized for uncertainty in income taxes classified as noncurrent.
    Fact LiabilityForUncertainTaxPositionsNoncurrent
    Frame CY2013Q3I
    Label Liability for Uncertainty in Income Taxes, Noncurrent
    Taxonomy us-gaap
    Unit USD
    Val 103,000
  184. Description Amount of decrease in unrecognized tax benefits resulting from tax positions that have been or will be taken in current period tax return.
    Fact UnrecognizedTaxBenefitsDecreasesResultingFromCurrentPeriodTaxPositions
    Label Unrecognized Tax Benefits, Decrease Resulting from Current Period Tax Positions
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  185. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 43,198,000
  186. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,859,000
  187. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 787,000
  188. 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 CY2013Q3I
    Label Common Stock, Value, Issued
    Taxonomy us-gaap
    Unit USD
    Val 132,573,000
  189. Description Interest expense incurred on all money market deposits.
    Fact InterestExpenseMoneyMarketDeposits
    Label Interest Expense, Money Market Deposits
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,280,000
  190. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.35
  191. Description Average amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses.
    Fact ImpairedFinancingReceivableAverageRecordedInvestment
    Label Impaired Financing Receivable, Average Recorded Investment
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 425,267,000
  192. Description Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.
    Fact FederalHomeLoanBankStockAndFederalReserveBankStock
    Frame CY2013Q3I
    Label Federal Home Loan Bank Stock and Federal Reserve Bank Stock
    Taxonomy us-gaap
    Unit USD
    Val 173,009,000
  193. Description "The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."
    Fact NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1
    Label Noncash or Part Noncash Acquisition, Value of Liabilities Assumed
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 776,009,000
  194. Description Amount of advance from Federal Home Loan Bank (FHLBank) maturing after fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).
    Fact FederalHomeLoanBankAdvancesMaturitiesSummaryDueAfterFiveYearsOfBalanceSheetDate
    Frame CY2013Q3I
    Label Federal Home Loan Bank, Advance, Maturity, after Year Five
    Taxonomy us-gaap
    Unit USD
    Val 730,000,000
  195. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 181,422,000
  196. Description Amount of allowance for credit losses related to recorded investment.
    Fact ImpairedFinancingReceivableRelatedAllowance
    Frame CY2013Q3I
    Label Impaired Financing Receivable, Related Allowance
    Taxonomy us-gaap
    Unit USD
    Val 18,610,000
  197. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 33,493,000
  198. 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 CY2013Q3I
    Label Accumulated Other Comprehensive Income (Loss), Net of Tax
    Taxonomy us-gaap
    Unit USD
    Val 6,378,000
  199. Description Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.
    Fact CommonStockSharesOutstanding
    Frame CY2013Q3I
    Label Common Stock, Shares, Outstanding
    Taxonomy us-gaap
    Unit shares
    Val 102,484,671
  200. Description Weighted average interest rate calculated at point in time for domestic deposit liability.
    Fact WeightedAverageRateDomesticDeposit
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  201. Description Amount of increase (decrease) in additional paid in capital (APIC) resulting from a tax benefit (deficiency) associated with an share-based compensation plan other than an employee stock ownership plan (ESOP).
    Fact AdjustmentToAdditionalPaidInCapitalIncomeTaxEffectFromShareBasedCompensationNet
    Label Adjustment to Additional Paid in Capital, Income Tax Effect from Share-based Compensation, Net
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,000
  202. Description The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).
    Fact CashAcquiredFromAcquisition
    Label Cash Acquired from Acquisition
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 202,308,000
  203. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 23,597,000
  204. Description Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.
    Fact InterestReceivable
    Frame CY2013Q3I
    Label Interest Receivable
    Taxonomy us-gaap
    Unit USD
    Val 49,218,000
  205. Description Amount of cost for defined contribution plan.
    Fact DefinedContributionPlanCostRecognized
    Label Defined Contribution Plan, Cost
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,870,000
  206. Description The cash outflow from (a) purchases of loans held-for-investment, (b) purchases of leases held-for-investment, and (c) both.
    Fact PaymentsToAcquireLoansAndLeasesHeldForInvestment
    Label Payments to Acquire Loans and Leases Held-for-investment
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  207. Description This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGains
    Label Available-for-sale Securities, Gross Realized Gains
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  208. Description Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.
    Fact EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
    Label Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 53,000
  209. Description Reflects the carrying amount of loans deemed to be questionable as to collection on which no interest is continuing to be recognized.
    Fact LoansAndLeasesReceivableImpairedNonperformingNonaccrualOfInterest
    Frame CY2013Q3I
    Label Loans and Leases Receivable, Nonperforming, Nonaccrual of Interest
    Taxonomy us-gaap
    Unit USD
    Val 131,299,000
  210. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,402,000
  211. Description Amount of interest expense accrued for an underpayment of income taxes.
    Fact UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued
    Frame CY2013Q3I
    Label Unrecognized Tax Benefits, Interest on Income Taxes Accrued
    Taxonomy us-gaap
    Unit USD
    Val 12,000
  212. Description Amount of deferred tax liability attributable to taxable temporary differences from intangible assets other than goodwill.
    Fact DeferredTaxLiabilitiesGoodwillAndIntangibleAssetsIntangibleAssets
    Frame CY2013Q3I
    Label Deferred Tax Liabilities, Intangible Assets
    Taxonomy us-gaap
    Unit USD
    Val 192,000
  213. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Label Current State and Local Tax Expense (Benefit)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,213,000
  214. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2012-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  215. Description The maximum number of common shares permitted to be issued by an entity's charter and bylaws.
    Fact CommonStockSharesAuthorized
    Frame CY2013Q3I
    Label Common Stock, Shares Authorized
    Taxonomy us-gaap
    Unit shares
    Val 300,000,000
  216. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -4,025,000
  217. Description Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations.
    Fact UnrecognizedTaxBenefitsReductionsResultingFromLapseOfApplicableStatuteOfLimitations
    Label Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,033,000
  218. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Label Increase (Decrease) in Other Operating Assets
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val -36,350,000
  219. 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 CY2013Q3I
    Label Long-term Federal Home Loan Bank Advances
    Taxonomy us-gaap
    Unit USD
    Val 1,930,000,000
  220. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Label Proceeds from Stock Options Exercised
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,261,000
  221. Description Amount of noncash expense for option under share-based payment arrangement.
    Fact StockOptionPlanExpense
    Label Stock or Unit Option Plan Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 473,000
  222. Description Early withdrawal penalties on domestic deposits which discourage customer withdrawal prior to maturity.
    Fact InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties
    Label Interest Expense Domestic Deposit Liabilities, Withdrawal Penalties
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 548,000

Facts up to 2013-06-30

  1. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.36
  2. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 21,003,000
  3. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 94,715,000
  4. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 58,341,000
  5. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.09
  6. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 128,176,000
  7. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Label Other Operating Income (Expense), Net
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,236,000
  8. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 33,461,000
  9. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  10. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.36
  11. 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 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 37,338,000
  12. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Label Noninterest Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 41,610,000

Facts up to 2013-03-31

  1. 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 2013-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.34
  2. 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 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 17,924,000
  3. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Label Interest Income (Expense), Net
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 93,023,000
  4. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Frame CY2013Q1
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 53,902,000
  5. 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 2013-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.09
  6. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Label Interest and Dividend Income, Operating
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 126,505,000
  7. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Label Other Operating Income (Expense), Net
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 2,043,000
  8. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Label Interest Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 33,482,000
  9. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Label Provision for Loan and Lease Losses
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  10. 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 2013-01-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.34
  11. 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 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 35,978,000
  12. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2013Q1
    Label Noninterest Expense
    Start 2013-01-01
    Taxonomy us-gaap
    Unit USD
    Val 41,164,000

Facts up to 2012-12-31

  1. 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 CY2012Q4
    Label Earnings Per Share, Diluted
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.33
  2. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2012Q4
    Label Income Tax Expense (Benefit)
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 19,891,000
  3. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Frame CY2012Q4
    Label Interest Income (Expense), Net
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 95,434,000
  4. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Frame CY2012Q4
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 55,174,000
  5. Description Aggregate dividends paid during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareCashPaid
    Frame CY2012Q4
    Label Common Stock, Dividends, Per Share, Cash Paid
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.08
  6. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Frame CY2012Q4
    Label Interest and Dividend Income, Operating
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 131,309,000
  7. Description The net amount of other operating income and expenses, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operations.
    Fact OtherOperatingIncomeExpenseNet
    Frame CY2012Q4
    Label Other Operating Income (Expense), Net
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,638,000
  8. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2012Q4
    Label Interest Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 35,875,000
  9. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Frame CY2012Q4
    Label Provision for Loan and Lease Losses
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,600,000
  10. 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 CY2012Q4
    Label Earnings Per Share, Basic
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.33
  11. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2012Q4
    Label Net Income (Loss) Attributable to Parent
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 35,283,000
  12. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2012Q4
    Label Noninterest Expense
    Start 2012-10-01
    Taxonomy us-gaap
    Unit USD
    Val 38,298,000

Facts up to 2012-09-30

  1. 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 CY2012
    Label Earnings Per Share, Diluted
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.29
  2. Description Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact IncomeTaxExpenseBenefit
    Frame CY2012
    Label Income Tax Expense (Benefit)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 77,728,000
  3. Description The net amount of operating interest income (expense).
    Fact InterestIncomeExpenseNet
    Frame CY2012
    Label Interest Income (Expense), Net
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 397,022,000
  4. Description The net cash inflow or outflow for the increase (decrease) in the beginning and end of period deposits balances.
    Fact IncreaseDecreaseInDeposits
    Frame CY2012
    Label Increase (Decrease) in Deposits
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -225,068,000
  5. 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 CY2012Q3I
    Label Goodwill
    Taxonomy us-gaap
    Unit USD
    Val 251,653,000
  6. Description Amount after tax and reclassification adjustments of other comprehensive income (loss).
    Fact OtherComprehensiveIncomeLossNetOfTax
    Frame CY2012
    Label Other Comprehensive Income (Loss), Net of Tax
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -72,483,000
  7. Description Amount of cash outflow through purchase of long-term held-to-maturity securities.
    Fact PaymentsToAcquireHeldToMaturitySecurities
    Frame CY2012
    Label Payments to Acquire Held-to-maturity Securities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,167,121,000
  8. 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 CY2012
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Tax
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -34,998,000
  9. Description Amount of cash outflow to acquire Federal Reserve Bank (FRB) stock.
    Fact PaymentsToAcquireFederalReserveStock
    Frame CY2012
    Label Payments to Acquire Federal Reserve Bank Stock
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  10. Description Amount of cash inflow (outflow) from financing activities, including discontinued operations. Financing activity cash flows include obtaining resources from owners and providing them with a return on, and a return of, their investment; borrowing money and repaying amounts borrowed, or settling the obligation; and obtaining and paying for other resources obtained from creditors on long-term credit.
    Fact NetCashProvidedByUsedInFinancingActivities
    Frame CY2012
    Label Net Cash Provided by (Used in) Financing Activities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,293,868,000
  11. Description "The value of an asset or business acquired in a noncash (or part noncash) acquisition. Noncash is defined as information about all investing and financing activities of an enterprise during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."
    Fact NoncashOrPartNoncashAcquisitionValueOfAssetsAcquired1
    Frame CY2012
    Label Noncash or Part Noncash Acquisition, Value of Assets Acquired
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 124,594,000
  12. Description Amount of expense for Federal Deposit Insurance Corporation (FDIC) insurance.
    Fact FederalDepositInsuranceCorporationPremiumExpense
    Frame CY2012
    Label Federal Deposit Insurance Corporation Premium Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 16,093,000
  13. Description The cash inflow associated with the maturity, prepayments and calls (requests for early payments) of debt securities designated as held-to-maturity.
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfHeldToMaturitySecurities
    Frame CY2012
    Label Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 23,082,000
  14. Description Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredIncomeTaxExpenseBenefit
    Frame CY2012
    Label Deferred Income Tax Expense (Benefit)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 16,590,000
  15. Description Interest expense incurred on demand deposit accounts that represent borrowings rather than outstanding drafts.
    Fact InterestExpenseDemandDepositAccounts
    Frame CY2012
    Label Interest Expense, Demand Deposit Accounts
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 857,000
  16. 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 CY2012
    Label Net Income (Loss) Available to Common Stockholders, Basic
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 138,183,000
  17. Description Aggregate amount of interest expense on all borrowings.
    Fact InterestExpenseBorrowings
    Frame CY2012
    Label Interest Expense, Borrowings
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 106,310,000
  18. Description The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.
    Fact PaymentsToAcquirePropertyPlantAndEquipment
    Frame CY2012
    Label Payments to Acquire Property, Plant, and Equipment
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 32,010,000
  19. Description Amount of noninterest expense classified as other.
    Fact OtherNoninterestExpense
    Frame CY2012
    Label Other Noninterest Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,982,000
  20. 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 CY2012
    Label Comprehensive Income (Loss), Net of Tax, Attributable to Parent
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 65,700,000
  21. Description Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.
    Fact FinancingReceivableAllowanceForCreditLosses
    Frame CY2012Q3I
    Label Financing Receivable, Allowance for Credit Loss
    Taxonomy us-gaap
    Unit USD
    Val 133,147,000
  22. Description The estimated measure of the percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate
    Frame CY2012
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.31
  23. Description The net cash inflow or outflow in aggregate debt due to repayments and proceeds from additional borrowings.
    Fact ProceedsFromRepaymentsOfDebt
    Frame CY2012
    Label Proceeds from (Repayments of) Debt
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -995,306,000
  24. Description Aggregate dividends declared during the period for each share of common stock outstanding.
    Fact CommonStockDividendsPerShareDeclared
    Frame CY2012
    Label Common Stock, Dividends, Per Share, Declared
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 0.32
  25. 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 CY2012
    Label Interest Income (Expense), after Provision for Loan Loss
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 352,067,000
  26. Description Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit.
    Fact LaborAndRelatedExpense
    Frame CY2012
    Label Labor and Related Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 77,628,000
  27. Description Amount of unrecognized tax benefits.
    Fact UnrecognizedTaxBenefits
    Frame CY2012Q3I
    Label Unrecognized Tax Benefits
    Taxonomy us-gaap
    Unit USD
    Val 4,509,000
  28. 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 CY2012
    Label Interest Income, Securities, Mortgage Backed
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 96,142,000
  29. Description The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.
    Fact ProceedsFromSaleOfAvailableForSaleSecurities
    Frame CY2012
    Label Proceeds from Sale of Available-for-sale Securities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,257,913,000
  30. Description Gross expenses on securities sold coupled with an agreement to repurchase the same from the same counterparty at a fixed or determinable price within a fixed or variable time period.
    Fact InterestExpenseSecuritiesSoldUnderAgreementsToRepurchase
    Frame CY2012
    Label Interest Expense, Securities Sold under Agreements to Repurchase
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 25,693,000
  31. Description The total amount of noninterest income which may be derived from: (1) fees and commissions; (2) premiums earned; (3) insurance policy charges; (4) the sale or disposal of assets; and (5) other sources not otherwise specified.
    Fact NoninterestIncome
    Frame CY2012
    Label Noninterest Income
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 16,517,000
  32. Description Aggregate proceeds received by the entity during the annual period from exercises of stock or unit options and conversion of similar instruments granted under equity-based payment arrangements.
    Fact EmployeeServiceShareBasedCompensationCashReceivedFromExerciseOfStockOptions
    Frame CY2012
    Label Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options (Deprecated 2017-01-31)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 357,000
  33. Description Amount of deferred federal income tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredFederalIncomeTaxExpenseBenefit
    Frame CY2012
    Label Deferred Federal Income Tax Expense (Benefit)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 15,589,000
  34. Description Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.
    Fact AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
    Frame CY2012
    Label Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
    Start 2011-10-01
    Taxonomy us-gaap
    Unit shares
    Val 934,880
  35. Description Amount of state and local current and deferred income tax expense (benefit) attributable to continuing operations.
    Fact StateAndLocalIncomeTaxExpenseBenefitContinuingOperations
    Frame CY2012
    Label State and Local Income Tax Expense (Benefit), Continuing Operations
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,092,000
  36. Description Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.
    Fact IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
    Frame CY2012
    Label Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 215,911,000
  37. Description Amount of cash paid for interest, including, but not limited to, capitalized interest and payment to settle zero-coupon bond attributable to 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; classified as operating and investing activities.
    Fact InterestPaid
    Frame CY2012
    Label Interest Paid, Including Capitalized Interest, Operating and Investing Activities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 199,735,000
  38. Description The interest expense recognized during the period on customer deposits or security deposits held in interest bearing accounts.
    Fact InterestExpenseCustomerDeposits
    Frame CY2012
    Label Interest Expense, Customer Deposits
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 86,939,000
  39. Description Amount of income earned, after hedging basis adjustments, from fees charged for prepayment of certain Federal Home Loan Bank (FHLBank) advances before original maturity.
    Fact PrepaymentFeesOnAdvancesNet
    Frame CY2012
    Label Prepayment Fees on Advances, Net
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -95,565,000
  40. Description Amount of current income tax expense (benefit) pertaining to taxable income (loss) from continuing operations.
    Fact CurrentIncomeTaxExpenseBenefit
    Frame CY2012
    Label Current Income Tax Expense (Benefit)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 61,138,000
  41. Description The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
    Frame CY2012
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  42. Description The amount of expenses incurred in the period for information technology and data processing products and services.
    Fact InformationTechnologyAndDataProcessing
    Frame CY2012
    Label Information Technology and Data Processing
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 9,376,000
  43. Description Represents the total of interest and dividend income, including any amortization and accretion (as applicable) of discounts and premiums, earned from (1) loans and leases whether held-for-sale or held-in-portfolio; (2) investment securities; (3) federal funds sold; (4) securities purchased under agreements to resell; (5) investments in banker's acceptances, commercial paper, or certificates of deposit; (6) dividend income; or (7) other investments not otherwise specified herein.
    Fact InterestAndDividendIncomeOperating
    Frame CY2012
    Label Interest and Dividend Income, Operating
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 590,271,000
  44. Description Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.
    Fact AllocatedShareBasedCompensationExpense
    Frame CY2012
    Label Share-based Payment Arrangement, Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 848,000
  45. Description Includes amounts charged depositors for: (1) maintenance of their accounts (maintenance charges); (2) failure to maintain specified minimum balances on account; (3) exceeding the number of checks or transactions allowed to be processed in a given period; (4) checks drawn on no minimum balance deposit accounts; (5) withdrawals from nontransaction deposit accounts; (6) closing savings accounts before a specified minimum period of time has elapsed; (7) accounts which have remained inactive for extended periods of time or which have become dormant; (8) use of automated teller machines or remote service units; (9) checks drawn against insufficient funds that the bank assesses regardless of whether it decides to pay, return or hold the check; (10) issuing stop payment orders; (11) certifying checks; and (12) accumulating or disbursing funds deposited in IRAs or Keogh Plan accounts when not handled by the bank's trust department. This item does not include penalties assessed on the early withdrawal of time deposits.
    Fact FeesAndCommissionsDepositorAccounts
    Frame CY2012
    Label Fees and Commissions, Depositor Accounts (Deprecated 2018-01-31)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,043,000
  46. Description The increase (decrease) during the reporting period in the amount due from borrowers for interest payments.
    Fact IncreaseDecreaseInAccruedInterestReceivableNet
    Frame CY2012
    Label Increase (Decrease) in Accrued Interest Receivable, Net
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -5,726,000
  47. 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 CY2012
    Label Interest and Fee Income, Loans and Leases
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 484,833,000
  48. Description Value, after forfeiture, of shares issued under share-based payment arrangement. Excludes employee stock ownership plan (ESOP).
    Fact StockIssuedDuringPeriodValueShareBasedCompensation
    Frame CY2012
    Label Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 848,000
  49. Description Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.
    Fact GainsLossesOnExtinguishmentOfDebt
    Frame CY2012
    Label Gain (Loss) on Extinguishment of Debt
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -95,565,000
  50. Description The net gain (loss) realized from the sale, exchange, redemption, or retirement of securities, not separately or otherwise categorized as trading, available-for-sale, or held-to-maturity.
    Fact GainLossOnSaleOfSecuritiesNet
    Frame CY2012
    Label Gain (Loss) on Sale of Securities, Net (Deprecated 2018-01-31)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 95,234,000
  51. Description Percentage of domestic federal statutory tax rate applicable to pretax income (loss).
    Fact EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
    Frame CY2012
    Label Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.35
  52. Description Amount of increase (decrease) in accrued expenses, and obligations classified as other.
    Fact IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities
    Frame CY2012
    Label Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 8,649,000
  53. 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
    Frame CY2012
    Label Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 18,066,000
  54. Description The aggregate interest expense incurred on time deposits, including certificates of deposits, in domestic offices.
    Fact InterestExpenseTimeDeposits
    Frame CY2012
    Label Interest Expense, Time Deposits
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 81,506,000
  55. Description Amount of cash outflow in the form of ordinary dividends to common shareholders of the parent entity.
    Fact PaymentsOfDividendsCommonStock
    Frame CY2012
    Label Payments of Ordinary Dividends, Common Stock
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 32,430,000
  56. Description The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income.
    Fact IncomeTaxesPaid
    Frame CY2012
    Label Income Taxes Paid
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 59,596,000
  57. Description The noninterest income derived from mortgage banking activities (fees and commissions), excluding fees earned from servicing third-party assets.
    Fact FeesAndCommissionsMortgageBanking
    Frame CY2012
    Label Fees and Commissions, Mortgage Banking (Deprecated 2018-01-31)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 7,221,000
  58. 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 CY2012
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, after Tax
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -209,832,000
  59. Description Amount of current federal tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentFederalTaxExpenseBenefit
    Frame CY2012
    Label Current Federal Tax Expense (Benefit)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 57,047,000
  60. Description Amount of cash inflow (outflow) from investing activities, including discontinued operations. Investing activity cash flows include making and collecting loans and acquiring and disposing of debt or equity instruments and property, plant, and equipment and other productive assets.
    Fact NetCashProvidedByUsedInInvestingActivities
    Frame CY2012
    Label Net Cash Provided by (Used in) Investing Activities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,054,340,000
  61. Description The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.
    Fact ProceedsFromIssuanceOfLongTermDebt
    Frame CY2012
    Label Proceeds from Issuance of Long-term Debt
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  62. Description Amount of current and deferred federal income tax expense (benefit) attributable to income (loss) from continuing operations.
    Fact FederalIncomeTaxExpenseBenefitContinuingOperations
    Frame CY2012
    Label Federal Income Tax Expense (Benefit), Continuing Operations
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 72,636,000
  63. Description Value of stock issued as a result of the exercise of stock options.
    Fact StockIssuedDuringPeriodValueStockOptionsExercised
    Frame CY2012
    Label Stock Issued During Period, Value, Stock Options Exercised
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 357,000
  64. Description Amount of increase (decrease) in cash and cash equivalents. Cash and cash equivalents are the 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. Includes effect from exchange rate changes.
    Fact CashAndCashEquivalentsPeriodIncreaseDecrease
    Frame CY2012
    Label Cash and Cash Equivalents, Period Increase (Decrease)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -64,572,000
  65. Description Aggregate amount of interest expense on all deposits.
    Fact InterestExpenseDeposits
    Frame CY2012
    Label Interest Expense, Deposits
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 87,546,000
  66. Description Amount of the cost of borrowed funds accounted for as interest expense.
    Fact InterestExpense
    Frame CY2012
    Label Interest Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 193,249,000
  67. Description Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line.
    Fact LeaseAndRentalExpense
    Frame CY2012
    Label Operating Leases, Rent Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 3,825,000
  68. Description Interest expense incurred on all savings account deposits.
    Fact InterestExpenseSavingsDeposits
    Frame CY2012
    Label Interest Expense, Savings Deposits
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 574,000
  69. 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 751,430,000
  70. Description Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisesInPeriodTotalIntrinsicValue
    Frame CY2012
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 125,000
  71. Description The calculated weighted average interest rate for Federal Home Loan Bank advances outstanding as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateAtPeriodEnd
    Frame CY2012Q3I
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate at Period End
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  72. Description Amount of revenue earned, classified as other, excluding interest income.
    Fact NoninterestIncomeOtherOperatingIncome
    Frame CY2012
    Label Noninterest Income, Other Operating Income
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 6,584,000
  73. Description "The net book value of a nonmonetary asset transferred or exchanged in connection with the acquisition of a business or asset in a noncash transaction. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. Nonmonetary assets and liabilities are assets and liabilities that will not result in cash receipts or cash payments in the future."
    Fact NoncashOrPartNoncashAcquisitionNetNonmonetaryAssetsAcquiredLiabilitiesAssumed1
    Frame CY2012
    Label Noncash or Part Noncash Acquisition, Net Nonmonetary Assets Acquired (Liabilities Assumed)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -29,899,000
  74. 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 CY2012
    Label Treasury Stock, Value, Acquired, Cost Method
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 41,914,000
  75. 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 CY2012
    Label Weighted Average Number of Shares Outstanding, Basic
    Start 2011-10-01
    Taxonomy us-gaap
    Unit shares
    Val 107,108,703
  76. Description Amount of cash outflow (inflow) from acquisition (sale) of Federal Home Loan Bank (FHLBank) stock.
    Fact PaymentsForProceedsFromFederalHomeLoanBankStock
    Frame CY2012
    Label Payments for (Proceeds from) Federal Home Loan Bank Stock
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -1,830,000
  77. Description Amount of expense related to estimated loss from loan and lease transactions.
    Fact ProvisionForLoanAndLeaseLosses
    Frame CY2012
    Label Provision for Loan and Lease Losses
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 44,955,000
  78. Description The calculated weighted average interest rate for Federal Home Loan Bank advances for the period ended as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearAverageInterestRateForYear
    Frame CY2012
    Label Federal Home Loan Bank, Advances, Activity for Year, Average Interest Rate for Year
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.04
  79. Description The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
    Frame CY2012
    Label Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 3.53
  80. Description Amount of cash inflow from maturity, prepayment and call of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromMaturitiesPrepaymentsAndCallsOfAvailableForSaleSecurities
    Frame CY2012
    Label Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,608,603,000
  81. Description The risk-free interest rate assumption that is used in valuing an option on its own shares.
    Fact ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate
    Frame CY2012
    Label Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  82. Description Value of stock related to Restricted Stock Awards issued during the period, net of the stock value of such awards forfeited.
    Fact StockIssuedDuringPeriodValueRestrictedStockAwardNetOfForfeitures
    Frame CY2012
    Label Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,343,000
  83. 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 CY2012
    Label Earnings Per Share, Basic
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD/shares
    Val 1.29
  84. Description The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.
    Fact ProceedsFromSaleOfPropertyHeldForSale
    Frame CY2012
    Label Proceeds from Sale of Property Held-for-sale
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 175,832,000
  85. Description The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.
    Fact NetIncomeLoss
    Frame CY2012
    Label Net Income (Loss) Attributable to Parent
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 138,183,000
  86. Description The maximum balance outstanding at any month end during the period as of the Balance Sheet date.
    Fact FederalHomeLoanBankAdvancesActivityForYearMaximumOutstandingAtAnyMonthEnd
    Frame CY2012Q3I
    Label Federal Home Loan Bank, Advances, Activity for Year, Maximum Outstanding at any Month End
    Taxonomy us-gaap
    Unit USD
    Val 1,961,895,000
  87. Description The cash outflow to reacquire common stock during the period.
    Fact PaymentsForRepurchaseOfCommonStock
    Frame CY2012
    Label Payments for Repurchase of Common Stock
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 41,914,000
  88. Description The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.
    Fact PaymentsToAcquireAvailableForSaleSecurities
    Frame CY2012
    Label Payments to Acquire Available-for-sale Securities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,442,184,000
  89. Description Total aggregate amount of all noninterest expense.
    Fact NoninterestExpense
    Frame CY2012
    Label Noninterest Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 142,854,000
  90. 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 CY2012
    Label Weighted Average Number of Shares Outstanding, Diluted
    Start 2011-10-01
    Taxonomy us-gaap
    Unit shares
    Val 107,149,240
  91. Description Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.
    Fact DividendsCommonStockCash
    Frame CY2012
    Label Dividends, Common Stock, Cash
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 34,115,000
  92. 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 CY2012
    Label Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI for Sale of Securities, Net of Tax
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -95,234,000
  93. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to other adjustments.
    Fact EffectiveIncomeTaxRateReconciliationOtherAdjustments
    Frame CY2012
    Label Effective Income Tax Rate Reconciliation, Other Adjustments, Percent
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val -0.01
  94. 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 1,899,752,000
  95. Description Amount of cash inflow from sale of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).
    Fact ProceedsFromSaleOfAvailableForSaleSecuritiesDebt
    Frame CY2012
    Label Proceeds from Sale of Debt Securities, Available-for-sale
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 2,257,913,000
  96. 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 CY2012
    Label Gains (Losses) on Sales of Other Real Estate
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -9,819,000
  97. Description Amount of deferred state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact DeferredStateAndLocalIncomeTaxExpenseBenefit
    Frame CY2012
    Label Deferred State and Local Income Tax Expense (Benefit)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 1,001,000
  98. Description Interest expense incurred on all money market deposits.
    Fact InterestExpenseMoneyMarketDeposits
    Frame CY2012
    Label Interest Expense, Money Market Deposits
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,609,000
  99. Description Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.
    Fact EffectiveIncomeTaxRateContinuingOperations
    Frame CY2012
    Label Effective Income Tax Rate Reconciliation, Percent
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.36
  100. Description "The total amount of [all] liabilities that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. ""Part noncash"" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period."
    Fact NoncashOrPartNoncashAcquisitionValueOfLiabilitiesAssumed1
    Frame CY2012
    Label Noncash or Part Noncash Acquisition, Value of Liabilities Assumed
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 154,493,000
  101. Description Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.
    Fact NetCashProvidedByUsedInOperatingActivities
    Frame CY2012
    Label Net Cash Provided by (Used in) Operating Activities
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 174,956,000
  102. Description Weighted average interest rate calculated at point in time for domestic deposit liability.
    Fact WeightedAverageRateDomesticDeposit
    Frame CY2012Q3I
    Label Weighted Average Rate, Interest-bearing Domestic Deposits, Point in Time
    Taxonomy us-gaap
    Unit pure
    Val 0.01
  103. Description The cash inflow associated with the acquisition of business during the period (for example, cash that was held by the acquired business).
    Fact CashAcquiredFromAcquisition
    Frame CY2012
    Label Cash Acquired from Acquisition
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 50,576,000
  104. 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 CY2012
    Label Occupancy, Net
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 20,257,000
  105. Description Amount of cost for defined contribution plan.
    Fact DefinedContributionPlanCostRecognized
    Frame CY2012
    Label Defined Contribution Plan, Cost
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 5,400,000
  106. Description The cash outflow from (a) purchases of loans held-for-investment, (b) purchases of leases held-for-investment, and (c) both.
    Fact PaymentsToAcquireLoansAndLeasesHeldForInvestment
    Frame CY2012
    Label Payments to Acquire Loans and Leases Held-for-investment
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  107. Description This item represents the gross profit realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities.
    Fact AvailableForSaleSecuritiesGrossRealizedGains
    Frame CY2012
    Label Available-for-sale Securities, Gross Realized Gains
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 95,234,000
  108. Description Disclosure of the aggregate tax benefit realized from the exercise of stock options and the conversion of similar instruments during the annual period.
    Fact EmployeeServiceShareBasedCompensationTaxBenefitRealizedFromExerciseOfStockOptions
    Frame CY2012
    Label Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options (Deprecated 2017-01-31)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 0
  109. Description Amount of increase (decrease) in prepayments received from borrowers for taxes and insurance remitted to the appropriate tax authority or insurer on behalf of the borrower.
    Fact IncreaseDecreaseInAdvancePaymentsByBorrowersForTaxesAndInsurance
    Frame CY2012
    Label Increase (Decrease) in Advance Payments by Borrowers for Taxes and Insurance
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 493,000
  110. Description Amount of current state and local tax expense (benefit) pertaining to income (loss) from continuing operations.
    Fact CurrentStateAndLocalTaxExpenseBenefit
    Frame CY2012
    Label Current State and Local Tax Expense (Benefit)
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 4,091,000
  111. Description Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to state and local income tax expense (benefit), net of federal tax expense (benefit).
    Fact EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
    Frame CY2012
    Label Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent
    Start 2011-10-01
    Taxonomy us-gaap
    Unit pure
    Val 0.02
  112. 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 CY2012
    Label OCI, Debt Securities, Available-for-Sale, Unrealized Holding Gain (Loss), before Adjustment, Tax
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val -77,113,000
  113. Description Amount of increase (decrease) in operating assets classified as other.
    Fact IncreaseDecreaseInOtherOperatingAssets
    Frame CY2012
    Label Increase (Decrease) in Other Operating Assets
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 74,889,000
  114. Description Amount of cash inflow from exercise of option under share-based payment arrangement.
    Fact ProceedsFromStockOptionsExercised
    Frame CY2012
    Label Proceeds from Stock Options Exercised
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 357,000
  115. Description Amount of noncash expense for option under share-based payment arrangement.
    Fact StockOptionPlanExpense
    Frame CY2012
    Label Stock or Unit Option Plan Expense
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 848,000
  116. Description Early withdrawal penalties on domestic deposits which discourage customer withdrawal prior to maturity.
    Fact InterestExpenseDomesticDepositLiabilitiesWithdrawalPenalties
    Frame CY2012
    Label Interest Expense Domestic Deposit Liabilities, Withdrawal Penalties
    Start 2011-10-01
    Taxonomy us-gaap
    Unit USD
    Val 607,000

Facts up to 2011-09-30

  1. 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 CY2011Q3I
    Label Cash and Cash Equivalents, at Carrying Value
    Taxonomy us-gaap
    Unit USD
    Val 816,002,000
  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 CY2011Q3I
    Label Stockholders' Equity Attributable to Parent
    Taxonomy us-gaap
    Unit USD
    Val 1,906,533,000

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.