Assets Assets [Abstract] Cash and due from banks Cash and Due from Banks Investment securities available-for-sale, at fair value: Investment Securities Available-For-Sale [Abstract] Pledged securities with creditors' right to repledge Trading Securities Pledged as Collateral Trading Securities [Abstract] Trading account securities, at fair value: Loans Receivable Held-for-sale, Net Loans Receivable Held-for-sale, Net, Ending Balance Loans Receivable Held-for-sale, Net, Beginning Balance Loans held-for-sale, at lower of cost or fair value Loans and Leases Receivable, Allowance Loans and Leases Receivable, Allowance, Ending Balance Loans and Leases Receivable, Allowance, Beginning Balance Allowance for loan losses Premises and equipment, net Property, Plant and Equipment, Net, Total Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net Other Assets Other Assets, Total Other assets Goodwill Goodwill, Beginning Balance Goodwill, Ending Balance Goodwill Assets Total assets Liabilities and Stockholders' Equity [Abstract] Liabilities and Stockholders' Equity Liabilities: Liabilities [Abstract] Deposits: Deposits [Abstract] Non-interest bearing Noninterest-bearing Deposit Liabilities, Total Noninterest-bearing Deposit Liabilities Interest bearing Interest-bearing Deposit Liabilities Deposits Total deposits Federal funds purchased and assets sold under agreements to repurchase Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Total Federal Funds Purchased and Securities Sold under Agreements to Repurchase Other short-term borrowings Other Short-term Borrowings Notes payable Notes Payable, Total Notes Payable Other Liabilities Other liabilities Other liabilities Liabilities Total liabilities Commitments and contingencies (see note 20) Commitments and Contingencies Stockholders' Equity Attributable to Parent [Abstract] Stockholders' Equity: Surplus Additional Paid in Capital, Total Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Ending Balance Additional Paid in Capital Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive (loss) income Accumulated other comprehensive (loss) income, net of tax of ($57,044)(December 31, 2010 - ($55,616); March 31, 2010 - ($29,809) Treasury stock - at cost, 212,374 shares at March 31, 2011 (December 31, 2010 - 201,356 shares; March 31, 2010 - 4,995 shares) Treasury Stock, Value Treasury Stock, Value, Ending Balance March 31, 2010 4,995 shares) Treasury stock - at cost, 3,380 shares as of September 30, 2009 (December 31, 2008 - 13,627,367 shares; September 30, 2008 - 13,626,803 shares) Treasury stock at cost, 212,374 shares at March 31, 2011 (December 31, 2010 - 201,356 shares; March 31, 2010 - 4,995 shares) Stockholders' Equity Attributable to Parent Balance at end of period Balance at beginning of year Total stockholders' equity Liabilities and Stockholders' Equity Total liabilities and stockholders' equity Preferred stock, shares authorized Preferred Stock, Shares Authorized Preferred stock, shares outstanding Preferred Stock, Shares Outstanding, Beginning Balance Preferred Stock, Shares Outstanding, Ending Balance Preferred Stock, Shares Outstanding Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred Stock, Shares Issued Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common Stock, Shares Authorized Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Issued Common Stock, Shares, Outstanding Common Stock, Shares, Outstanding, Ending Balance Common Stock, Shares, Outstanding, Beginning Balance Common Stock - Outstanding Common stock, shares outstanding Treasury Stock, Shares Treasury stock Treasury stock Treasury Stock, Shares, Ending Balance Treasury Stock, Shares, Beginning Balance Treasury stock Treasury stock Treasury stock, shares Common Stock, Dividends, Per Share, Declared Dividends Declared per Common Share Net Cash Provided by (Used in) Operating Activities [Abstract] Cash flows from operating activities: Net Income (Loss) Attributable to Parent Net loss Net income Net Income (Loss) Net income (loss) Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income (loss) to net cash (used in) provided by operating activities: Depreciation and amortization of premises and equipment Depreciation Premises and Equipment Amortization of intangibles Amortization of intangibles Amortization of Intangible Assets Net gain on sale and valuation adjustments of investment securities Proceeds from Maturities, Prepayments and Calls of Other Investments Deferred income taxes Deferred Income Tax Expense (Benefit), Total Deferred Income Tax Expense (Benefit) Payments to Purchase Loans Held-for-sale Acquisitions of loans held-for-sale Proceeds from sale of loans held-for-sale Proceeds from Sale of Loans Held-for-sale, Total Proceeds from Sale of Loans Held-for-sale Increase (Decrease) in Trading Securities Net decrease in trading securities Increase (Decrease) in Accrued Investment Income Receivable Net decrease (increase) in accrued income receivable Net decrease in accrued income receivable Increase (Decrease) in Other Operating Assets Net increase in other assets Net decrease (increase) in other assets Increase (Decrease) in Interest Payable, Net Net decrease in interest payable Increase (Decrease) in Employee Related Liabilities Increase (Decrease) in Employee Related Liabilities, Total Net (decrease) increase in pension and other postretirement benefit obligation Increase (Decrease) in Other Operating Liabilities Net decrease in other liabilities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities Total adjustments Net Cash Provided by (Used in) Operating Activities Net cash (used in) provided by operating activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of investment securities: Payments to Acquire Investments [Abstract] Payments to Acquire Available-for-sale Securities Available-for-sale Held-to-maturity Payments to Acquire Held-to-maturity Securities Other Payments to Acquire Other Investments Available-for-sale Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Held-to-maturity Proceeds from Maturities, Prepayments and Calls of Held-to-maturity Securities Other Mortgage servicing rights purchased Payments to Acquire Mortgage Servicing Rights (MSR) Payments to Acquire Property, Plant, and Equipment Acquisition of premises and equipment Proceeds from sale of foreclosed assets Proceeds from Sale of Foreclosed Assets Net Cash Provided by (Used in) Investing Activities Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities: Increase (Decrease) in Deposits Net increase (decrease) in deposits Increase (Decrease) in Federal Funds Purchased and Securities Sold under Agreements to Repurchase, Net Net increase (decrease) in federal funds purchased and assets sold under agreements to repurchase Payments of notes payable Repayments of Notes Payable Proceeds from issuance of notes payable Proceeds from Notes Payable, Total Proceeds from Notes Payable Treasury stock acquired Payments for Repurchase of Common Stock Net Cash Provided by (Used in) Financing Activities Net cash provided by (used in) financing activities Cash and Cash Equivalents, Period Increase (Decrease) Net increase (decrease) in cash and due from banks Cash and Cash Equivalents, at Carrying Value Cash and due from banks at end of period Cash and due from banks at beginning of period Cash and due from banks at end of period Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent [Abstract] Other comprehensive (loss) income before tax: Foreign currency translation adjustment Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, before Tax, Total Other Comprehensive Income, Foreign Currency Transaction and Translation Adjustment, before Tax Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Unrealized holding (losses) gains on securities available-for-sale arising during the period Other Comprehensive Income, Reclassification Adjustment for Sale of Securities Included in Net Income, before Tax Reclassification adjustment for lossess included in net income (loss) Reclassification adjustment for lossess included in net income (loss) Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Unrealized net losses on cash flow hedges Other Comprehensive Income, Reclassification Adjustment on Derivatives Included in Net Income, before Tax Reclassification adjustment for gains included in net income (loss) Reclassification adjustment for gains included in net income (loss) Other comprehensive (loss) income before tax: Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent, Total Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent Income tax benefit (expense) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Other comprehensive income (loss), net of tax Other comprehensive income, net of tax Comprehensive Income, Net of Tax, Attributable to Parent Comprehensive income (loss), net of tax Other Comprehensive Income, Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Unrealized holding (losses) gains on securities available-for-sale arising during the period Other Comprehensive Income, Reclassification Adjustment for Sale of Securities Included in Net Income, Tax Reclassification adjustment for losses included in net income (loss) Other Comprehensive Income, Unrealized Gain (Loss) on Derivatives Arising During Period, Tax Unrealized net losses on cash flow hedges Other Comprehensive Income, Reclassification Adjustment on Derivatives Included in Net Income, Tax Reclassification adjustment for gains included in net income (loss) Tax Effect, Unrealized losses On Cash Flows Hedges Tax effect Tax effect, Unrealized losses on cash flows hedges. Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Net of tax amount Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax, Beginning Balance Net of tax amount Tax Effect Unrealized Gains Losses On Securities Available For Sale Tax effect Tax effect, Unrealized gains (losses) on securities available-for-sale. Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax Net of tax amount Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Defined Benefit Pension and Other Postretirement Plans, Net of Tax, Beginning Balance Net of tax amount Net of tax amount Unrealized gains (losses) on securities available-for-sale Unrealized gains (losses) on securities available-for-sale Unrealized gains (losses) on securities available-for-sale Unrealized holding gains on securities available-for-sale Unrealized gains (losses) on securities available-for-sale. Tax Effect Underfunding Of Pension And Postretirement Benefit Plans Tax effect Tax effect, Underfunding of pension and postretirement benefit plans. Foreign currency translation adjustment Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized holding gains on securities available-for-sale, net of tax Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax, Beginning Balance Net of tax amount Goodwill and Other Intangible Assets [Abstract] Goodwill and Other Intangible Assets. Fair Value Measurement [Abstract] Fair Value Measurement. Fair Value of Financial Instruments [Abstract] Fair Value of Financial Instruments. Interest and Dividend Income, Operating [Abstract] Interest income: Loans Interest and Fee Income, Loans and Leases, Total Interest and Fee Income, Loans and Leases Interest and Dividend Income, Securities, Trading or Measured at Fair Value Trading account securities Trading account securities Interest and Dividend Income, Operating Total interest income Interest expense: Interest Expense [Abstract] Deposits Interest Expense, Deposits, Total Interest Expense, Deposits Interest Expense, Short-term Borrowings Interest Expense, Short-term Borrowings, Total Short-term borrowings Long-term debt Interest Expense, Long-term Debt Interest Expense Total interest expense Interest Income (Expense), Net Net interest income Interest Income (Expense), after Provision for Loan Loss Net interest income after provision for loan losses Service charges on deposit accounts Fees and Commissions, Depositor Accounts Fees and Commissions, Other Other service fees Trading account loss Trading Gains (Losses) Other operating income Noninterest Income, Other Operating Income Noninterest Income Total non-interest income OPERATING EXPENSES: Noninterest Expense [Abstract] Personnel costs: Labor and Related Expense [Abstract] Labor and Related Expense Total personnel costs Net occupancy expenses Occupancy, Net Equipment Expense Equipment expenses Other taxes Taxes, Other Professional fees Professional Fees Communications Communication Federal Deposit Insurance Corporation Premium Expense FDIC deposit insurance expense FDIC deposit insurance Other operating expenses Other Noninterest Expense Total operating expenses Noninterest Expense Income (loss) before income tax Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Cumulative Effects of Changes in Accounting Principles, Noncontrolling Interest, Total Income Tax Expense (Benefit) Income tax expense (benefit) Income tax expense (benefit) Net Income (Loss) Applicable to Common Stock Net Income (Loss) Available to Common Stockholders, Basic Segment Reporting [Abstract] Segment Reporting. Pledged Assets [Text Block] Pledged Assets Represents the classification and carrying amount of the pledged assets in which the secured parties are not permitted to sell or repledge the collateral. Restrictions on Cash and Due from Banks and Certain Securities [Abstract] Investment Securities Available-For-Sale Available-for-sale Securities [Text Block] Investment Securities Held-to-Maturity [Abstract] Investment Securities Held-to-Maturity Held-to-maturity Securities [Text Block] Goodwill and Other Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Fair Value Measurement Fair Value, Measurement Inputs, Disclosure [Text Block] Fair Value of Financial Instruments Fair Value Disclosures [Text Block] Stockholders' Equity [Abstract] Stockholders' Equity Stockholders' Equity Note Disclosure [Text Block] Net income (loss) per common share [Abstract] NET LOSS PER COMMON SHARE - BASIC AND DILUTED: Net Income (Loss) per Common Share Earnings Per Share [Text Block] Pension and Postretirement Benefits [Abstract] Pension and Postretirement Benefits Pension and Other Postretirement Benefits Disclosure [Text Block] Income Taxes [Abstract] Income Tax Disclosure [Text Block] Income Taxes Stock-Based Compensation [Abstract] Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Supplemental Disclosure on the Consolidated Statements of Cash Flows [Abstract] Supplemental Disclosure on the Consolidated Statements of Cash Flows Cash Flow, Supplemental Disclosures [Text Block] Segment Reporting Segment Reporting Disclosure [Text Block] Subsequent Events Schedule of Subsequent Events [Text Block] Entity Registrant Name Entity Central Index Key Document Type Document Period End Date Amendment Flag Current Fiscal Year End Date Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Common Stock, Shares Outstanding Statement [Table] Statement [Line Items] Consolidated Statements of Operations [Abstract] Consolidated Statements of Comprehensive Income (Loss) [Abstract] Disclosure of Accumulated Other Comprehensive Loss [Abstract] Consolidated Statements of Cash Flows [Abstract] Trust Preferred Securities [Text Block] Trust Preferred Securities Trust Preferred Securities Text Block. Other Service Fees [Abstract] Other Service Fees [Abstract] Other Service Fees [Abstract]. Other Service Fees [Text Block] Other Service Fees Breakdown of fees and commission income, such as servicing fees, debit and credit card fees, processing fees and insurance commissions, among others. Condensed Consolidating Financial Information of Guarantor and Issuers of Registered Guaranteed Securities [Abstract] Condensed Consolidating Financial Information of Guarantor and Issuers of Registered Guaranteed Securities [Abstract] Condensed Consolidating Financial Information of Guarantor and Issuers of Registered Guaranteed Securities [Abstract]. Statements of Cash Flows [Abstract] Net Gain On Sale And Valuation Adjustments Of Investment Securities Net gain on sale and valuation adjustments of investment securities Net gain on sale and valuation adjustments of investment securities. Income (Loss) from Equity Method Investments Earnings from investments under the equity method Net disbursements on loans held-for-sale The cash inflow from collection of repayment from borrowers, net of amount of cash paid for the origination of loans that are held with the intention to resell in near future. Net disbursements on loans held-for-sale Proceeds from calls, paydowns, maturities and redemptions of investment securities: Proceeds from Sale, Maturity and Collections of Investments [Abstract] Proceeds from sale of loans Proceeds from Sale of Loans Receivable Proceeds from sale of premises and equipment Proceeds from sale of premises and equipment Proceeds from Sale of Property, Plant, and Equipment Net gain on sale and valuation adjustments of investment securities Net disbursements on loans held-for-sale Held-to-maturity Other Mortgage servicing rights purchased Payments of notes payable Treasury stock acquired Statements of Operations [Abstract] Revenue from Investment securities Investment securities Revenue from Investment securities. Provision for loan losses Provision for Loan and Lease Losses Net Loss Gain On Sale And Valuation Adjustments Of Investment Securities Net gain on sale and valuation adjustments of investment securities Represents net gains/losses on the sale of investment securities and other-than-temporary impairments on securities. Printing and supplies Amount of expenses associated to supplies, printed forms and printing. Printing and supplies Tax effect Tax effect Net (increase) decrease in money market investments Net decrease (increase) in money market investments The net cash inflow (outflow) in interest-bearing deposits by banks in other financial institutions for relatively short periods of time including, for example, certificates of deposits, net of proceeds from (payments for) federal funds sold and securities purchased under agreements to resell. Tax effect Money market investments Abstract Money market investments: Money market investments Abstract. Federal funds sold Federal Funds Sold Securities purchased under agreements to resell Securities Purchased under Agreements to Resell Time deposits with other banks Interest-bearing Deposits in Banks and Other Financial Institutions Available-for-sale Securities Available-for-sale Securities, Total Other investment securities available-for-sale Investment securities held-to-maturity, at amortized cost (fair value at March 31, 2011 - $147,816 ; December 31, 2010 - $120,873; March 31, 2010 - $207,850) Held-to-maturity Securities Other Investment Securities At Lower Of Cost Or Realizable Value Other investment securities, at lower of cost or realizable value (realizable value at March 31, 2011 - $176,336; December 31, 2010 - $165,233; March 31, 2010 - $158,375) This element represents the aggregate carrying amount of all cost method investments held by the Company. Generally such investments do not have readily determinable fair values and are not required to be accounted for by the equity method. The carrying amount of such securities equals cost, adjusted for other than temporary impairment. Includes investments in stock of the Federal Home Loan Bank and Federal Reserve Bank. Other trading securities Trading Securities, Total Trading Securities Intangible Assets, Net (Excluding Goodwill) Other intangible assets Other intangible assets Preferred Stock, Value, Issued Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, Value, Issued, Total Preferred stock, 30,000,000 shares authorized; 2,006,391 shares issued and outstanding in all periods presented (aggregated liquidation preference value of $50,160) Common Stock, Value, Issued Common stock, $0.01 par value; 1,700,000,000 shares authorized (December 31, 2010 - 1,700,000,000; March 31, 2010 - 700,000,000) ; 1,023,628,492 shares issued at March 31, 2011 (December 31, 2010 - 1,022,929,158; March 31, 2010 - 639,544,895) and 1,023,416,118 outstanding at March 31, 2011 (December 31, 2010 - 1,022,727,802; March 31, 2010 - 639,539,900) Fair value of investment securities held-to-maturity Held-to-maturity Securities, Fair Value Realizable value of other investment securities Realizable value of other investment securities Realizable value of other investment securities. Tax effect on accumulated other comprehensive loss Tax effect on accumulated other comprehensive loss Tax effect on accumulated other comprehensive loss. Other Comprehensive Income, Defined Benefit Plan's Adjustment, before Tax, Total Adjustment of pension and postretirement benefit plans Other Comprehensive Income, Defined Benefit Plan's Adjustment, before Tax Underfunding of pension and postretirement benefit plans Other Comprehensive Income, Defined Benefit Plans, Tax, Total Other Comprehensive Income, Defined Benefit Plans, Tax Consolidated Statements of Changes in Stockholders' Equity [Abstract] Statements of Changes in Stockholders' Equity [Abstract] Stock Issued During Period, Value, New Issues Preferred stock issued Issuance of stock Preferred stock Preferred stock Surplus Surplus Dividends, Preferred Stock, Cash Preferred stock Preferred stock Retained earnings (Accumulated deficit) Retained earnings (Accumulated deficit) Accumulated other comprehensive loss Accumulated other comprehensive income (loss) Treasury Stock, Value, Acquired, Cost Method Common stock purchases Common stock purchases Common stock, including treasury stock Common stock, including treasury stock Disclosure of Changes in Number of Shares [Abstract] Disclosure of changes in number of shares [Abstract] Disclosure of changes in number of shares Abstract. Balance at beginning of year Stock Issued During Period, Shares, New Issues Issuance of preferred stock Issuance of stocks Balance at end of period Balance at beginning of year Balance at end of period Statement, Equity Components [Axis] Equity Component [Domain] Parent [Member] Provision for loan losses Provision for Loan Losses Expensed Document and Entity Information [Abstract] Document And Entity Information Abstract. Condensed Consolidating Financial Information of Guarantor and Issuers of Registered Guaranteed Securities Schedule of Condensed Financial Statements [Text Block] Defined Benefit Plan, Accumulated Other Comprehensive Income, before Tax Underfunding of pension and post retirement benefit plans Defined Benefit Plan, Accumulated Other Comprehensive Income, before Tax, Total Unrealized Gain (Loss) on Interest Rate Cash Flow Hedges, Pretax, Accumulated Other Comprehensive Income Unrealized losses (gains) on cash flow hedges Net Loss On Sale Of Loans Including Adjustments To Indemnity Reserves And Valuation Adjustments On Loans Heldforsale Net loss on sale of loans, including adjustments to indemnity reserves, and valuation adjustments on loans held-for-sale Net loss on sale of loans including adjustments to indemnity reserves and valuation Net loss on sale of loans including adjustments to indemnity reserves and valuation. Interest Income, Deposits with Financial Institutions Interest Income, Deposits with Financial Institutions, Total Money market investments Marketing and Advertising Expense Marketing and Advertising Expense, Total Business promotion Document Fiscal Year Focus Document Fiscal Period Focus Balance at end of the period Balance at beginning of year Shares, Issued Salaries The aggregate amount of expenditures for salaries (officers and regular employees), bonuses and incentives compensation, and deferred salaries. Salaries Pledged Assets [Abstract] Transfers of Financial Assets and Mortgage Servicing Rights [Abstract] Transfers and Servicing of Financial Assets [Text Block] Transfers of Financial Assets and Mortgage Servicing Rights Mortgage Servicing Rights (MSR) Impairment (Recovery) Fair value adjustments of mortgage servicing rights Proceeds from Loan and Lease Originations and Principal Collections Net repayments on loans Proceeds from Loan and Lease Originations and Principal Collections, Total Restrictions on Cash and Due from Banks and Highly Liquid Securities Schedule of Restricted Cash and Cash Equivalents [Text Block] Dividends [Abstract] Dividends declared: Pension and other benefits Amount of payroll tax expenses, health insurance plan, profit sharing, pension and post-retirement compensation, deferred benefits and other fringe benefits. Pension and other benefits Pension and other benefits Trust Preferred Securities [Abstract] Trust Preferred Securities [Abstract] Loans Covered Under Loss Sharing Agreements Loans covered under loss sharing agreements with the FDIC Reflects the aggregate carrying amount of all categories of loans that are covered by the FDIC loss share agreements, prior to deducting the allowance for loan losses. Loans and Leases Receivable, Net Reported Amount Total loans held-in-portfolio, net Loss Share Indemnification Asset FDIC loss share indemnification asset The FDIC loss share indemnification asset represents the present value of losses on covered assets to be reimbursed by the FDIC under the loss share agreements. Other Real Estate Covered Under Loss Sharing Agreements Other real estate covered under loss sharing agreements with the FDIC Other real estate covered under the FDIC loss sharing agreements. Interest Receivable Accrued income receivable Retained Earnings (Accumulated Deficit) Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Accumulated deficit Consolidated Statements of Condition [Abstract] Loans and Leases Receivable, Net Reported Amount [Abstract] Loans held-in-portfolio: Accretion Of Fdic Indemnification Asset FDIC loss share income FDIC loss share income Accretion of the FDIC loss share indemnification asset. Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans Deposit Liabilities Disclosures [Text Block] Deposits Non-consolidated Variable Interest Entities [Abstract] Non-consolidated Variable Interest Entities Abstract. Loans [Abstract] Non-consolidated Variable Interest Entities Schedule of Variable Interest Entities [Text Block] Earnings Per Share, Diluted Net Income (Loss) per Common Share - Diluted Business Combination [Abstract] Business Combination. Business Combination Disclosure [Text Block] Business Combination Earnings Per Share, Basic Net Income (Loss) per Common Share - Basic Stock Issued During Period, Shares, Conversion of Convertible Securities Conversion of stocks Issuance of stock upon conversion of preferred stock Conversion of shares into common shares The number of shares issued in the conversion of shares into common shares. Conversion of shares into common shares Fdic Loss Share Income FDIC loss share income FDIC loss share expense Represents the net of: (1) accretion of the FDIC loss share indemnification asset which was initially recorded at fair value based on discounted cash flows; (2) impact of increases or decreases on expected FDIC reimbursements on covered loans accounted for under ASC 310-30, which impact the carrying amount of the FDIC loss share indemnification asset;(3) as the loan discount on loans acquired accounted for under ASC 310-20 is accreted to interest income, a corresponding reduction in the FDIC loss share indemnification asset is recorded with a reduction in non-interest income (reciprocal accounting); and (4) increases in the allowance for loan losses on covered loans. Fair value change in equity appreciation instrument Represents changes in the fair value of the equity appreciation instrument issued to the FDIC as part of the FDIC assisted transaction. The equity appreciation instrument is recorded as a liability. The FDIC has the opportunity to obtain a cash payment if and when exercised based on the contractual terms of the arrangement. Fair value change in equity appreciation instrument Fair value change in equity appreciation instrument Real Estate Acquired Through Foreclosure Other real estate not covered under loss sharing agreements with the FDIC Loans and Leases Receivable, Gross, Carrying Amount Loans and Leases Receivable, Gross, Carrying Amount, Total Loans not covered under loss sharing agreements with the FDIC Payments to Acquire Loans Held-for-investment Acquisition of loan portfolios Acquisition of loan portfolios Proceeds from (Repayments of) Short-term Debt Net (decrease) increase in other short-term borrowings Other Assets [Abstract] Other Assets Schedule of Other Assets, Noncurrent [Text Block] Available-for-sale Securities Pledged as Collateral Pledged securities with creditors' right to repledge Depositary shares issued The number of depositary shares issued, each one representing 1/40th interest in shares of contingent convertible perpetual non-cumulative preferred stock. Depositary shares issued Loss on early extinguishment of debt Gains (Losses) on Extinguishment of Debt Gains (Losses) on Extinguishment of Debt, Total Net (accretion of discounts) amortization of premiums and deferred fees Amortization of premiums and accretion of discount on assets acquired, liabilities assumed and issuance of debt. As a non-cash item, this element is an adjustment to net income when calculating cash provided by (used in) operations using the indirect method. Also, includes amortization of deferred fees on loans originated. Net (accretion of discounts) amortization of premiums and deferred fees Mortgage servicing assets, at fair value Net gain on disposition of premises and equipment Gain (Loss) on Sale of Property Plant Equipment Gain (Loss) on Sale of Property Plant Equipment, Total Proceeds from Issuance of Common Stock Proceeds from issuance of common stock Related Party Transactions with Affiliated Company Related Party Transactions Disclosure [Text Block] Related Party Transactions with Affiliated Company [Abstract] Guarantees [Abstract] Guarantees. Schedule Of Guarantee Obligations [Text Block] Guarantees Commitments and Contingencies [Abstract] Commitments and Contingencies. Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Unearned Income Less - Unearned income Interest that has been collected in advance on a loan but has not yet been counted as income. If the loan is paidoff early,the unearned interest portion must be returned to the borrower. The unearned interest is recorded as income over the life of the loan as time passes and the interest is earned. Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies. Significant Accounting Policies [Text Block] Summary of Significant Accounting Policies Subsequent Events [Abstract] Subsequent Event. Adjustments To Indemnity Reserves On Loans Sold Adjustments (expense) to indemnity reserves on loans sold Adjustments to indemnity reserves on loans sold ((expense) recovery). Gain (Loss) on Sale of Equity Method Investments Gain on sale of equity method investment Proceeds from Sale of Equity Method Investments Net proceeds from sale of equity method investment Borrowings [Abstract] Borrowings. DebtDisclosureTextBlock [Text Block] Borrowings Allowance For Loan Losses [Text Block] Allowance for loan losses. Allowance for Loan Losses Fdic Loss Share Indemnification Asset [Abstract] Fdic loss share indemnification asset. Fdic Loss Share Indemnification Asset [Text Block] Fdic loss share indemnification asset. FDIC Loss Share Indemnification Asset Gain (Loss) on Sales of Loans, Net Net gain on sale of loans, including valuation adjustments on loans held-for-sale Allowance for Loan Losses [Abstract] Payments of Dividends Dividends paid Dividends paid New Accounting Pronouncements [Abstract] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Text Block] New Accounting Pronouncements Other Real Estate Owned Expense Net Of Gain losses On Sale Or Disposition Other real estate owned (OREO) expenses Represents expenses recognized during the period for other real estate owned (foreclosed properties), write-downs of other real estate owned after acquisition and the net gain or loss resulting from sales and other disposals of those properties. Impairment Losses On Net Assets To Be Disposed Of Impairment losses on net assets to be disposed of The aggregate amount of write-downs for impairments recognized during the period for net assets to be disposed of, excluding long-lived assets. Other Comprehensive Income, Foreign Currency Transaction and Translation Reclassification Adjustment Realized upon Sale or Liquidation, before Tax Reclassification adjustment for losses included in net income (loss) Preferred Stock Liquidation Preference Aggregate Value Preferred stock, aggregate liquidation preference value Preferred stock liquidation preference aggregate value. Money Market Investments Total money market investments Total Money market investments.