Document and Entity Information [Abstract] Document and Entity Information [Abstract] Document And Entity Information Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Type Document Type Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Assets [Abstract] Assets Cash and Due From Banks Cash and due from banks Cash and Due from Banks, Total Interest-Bearing Deposits In Banks and Other Financial Institutions Interest-earning deposits Interest-earning deposits in banks Cash and Cash Equivalents, At Carrying Value Cash and cash equivalents, Carrying Value Cash and cash equivalents, Carrying Value Cash and cash equivalents Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Mortgage-Backed Securities Available-For-Sale, Fair Value Disclosure Mortgage-related securities available-for-sale, at fair value Mortgage Related Securities Held To Maturity Amortized Cost Securities held-to-maturity Mortgage-related securities held-to-maturity, at amortized cost (fair value of $164,174 in 2012) Carrying amount of the mortgage related securities held to maturity amortized cost as on the balance sheet date. Loans Held-For-Sale, Fair Value Disclosure Loans held-for-sale, Fair Value Loans held-for-sale, net Loans Receivable Held-for-sale, Net, Total Loans Receivable Held-for-sale, Net, Beginning Balance Loans Receivable Held-for-sale, Net, Ending Balance Loans and Leases Receivable, Net Reported Amount Loans receivable, net, Carrying Value Loans receivable (net of allowance for loan losses of $20,979 in 2012 and $27,928 in 2011) Loans and Leases Receivable, Net Reported Amount, Total Total loans receivable, net Foreclosed Assets Foreclosed properties and repossessed assets Foreclosed Assets, Total Mortgage Servicing Rights, Net Mortgage servicing rights, net Carrying amount as of the balance sheet date of mortgage servicing rights that are recorded as an asset when loans are sold with servicing rights retained. Other Assets Total other assets Other assets Total other assets Assets Total assets Total assets Liabilities and Stockholders Equity [Abstract] Liabilities and equity Deposits Deposite liabilities, Carrying Value Deposit liabilities Total deposit liabilities Advances From Federal Home Loan Banks Borrowings Borrowings Long-term Federal Home Loan Bank Advances, Total Borrowings, Carrying Value Advance Payments By Borrowers For Taxes and Insurance Advance payments by borrowers, Carrying Value Advance payments by borrowers for taxes and insurance Advance payments by borrowers, Fair Value Other Liabilities Other liabilities Other liabilities Liabilities Total liabilities Total liabilities Stockholders Equity Attributable To Parent [Abstract] Equity: Preferred Stock, Value, Issued Preferred stock-$0.01 par value: Authorized-20,000,000 shares in 2012 and 2011 Issued and outstanding-none in 2012 and 2011 Common Stock, Value, Issued Common stock-$0.01 par value: Authorized-200,000,000 shares in 2012 and 2011 Issued-78,783,849 shares in 2012 and 2011Outstanding-46,326,484 shares in 2012 and 46,228,984 in 2011 Additional Paid In Capital, Common Stock Additional paid-in capital Additional Paid in Capital, Common Stock, Beginning Balance Additional Paid in Capital, Common Stock, Ending Balance Retained Earnings (Accumulated Deficit) Retained earnings Retained Earnings (Accumulated Deficit), Total Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Ending Balance Accumulated Other Comprehensive Income (Loss), Net Of Tax Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Treasury Stock, Value Treasury stock-32,457,365 shares in 2012 and 32,554,865 in 2011 Treasury stock-32,457,365 shares in 2012 and 32,554,865 in 2011 Stockholders Equity Attributable To Parent Total shareholders' equity Total shareholders' equity Stockholders' Equity Attributable to Parent, Beginning Balance Stockholders' Equity Attributable to Parent, Ending Balance Stockholders Equity Attributable To Noncontrolling Interest Non-controlling interest in real estate partnership Non-controlling interest in real estate partnership Stockholders' Equity Attributable to Noncontrolling Interest, Beginning Balance Stockholders' Equity Attributable to Noncontrolling Interest, Ending Balance Stockholders Equity, Including Portion Attributable To Noncontrolling Interest Total equity including non-controlling interest Total equity including non-controlling interest Balance Balance Liabilities and Stockholders Equity Total liabilities and equity Total liabilities and equity Condensed Consolidated Statements Of Financial Condition [Parenthetical] [Abstract] Condensed Consolidated Statements Of Financial Condition [Parenthetical] [Abstract] Condensed Consolidated Statements of Financial Condition [Parenthetical] Mortgage-Backed Securities Held-To-Maturity, Fair Value Disclosure Mortgage-related securities held-to-maturity fair value (in dollars) Allowance For Notes, Loans and Financing Receivable, Current Loans receivable allowance for loan losses (in dollars) Preferred Stock, Par Or Stated Value Per Share Preferred stock, par value (in dollars per share) Preferred Stock, Shares Authorized Preferred stock, shares authorized Preferred Stock, Shares Issued Preferred stock, shares issued Preferred Stock, Shares Issued, Total Preferred Stock, Shares Outstanding Preferred stock, shares outstanding Common Stock, Par Or Stated Value Per Share Common stock, par value (in dollars per share) Common Stock, Shares Authorized Common stock, shares authorized Common Stock, Shares, Issued Common stock, shares issued Common Stock, Shares, Issued, Total Common Stock, Shares, Outstanding Common stock, shares outstanding Common Stock, Shares, Outstanding, Beginning Balance Common Stock, Shares, Outstanding, Ending Balance Treasury Stock, Shares Treasury stock, shares Treasury Stock, Shares, Beginning Balance Treasury Stock, Shares, Ending Balance Income Statement [Abstract] Income Statement [Abstract] Interest and Dividend Income, Operating [Abstract] Interest income: Interest and Fee Income, Loans and Leases Loans Interest and Fee Income, Loans and Leases, Total Interest Income, Securities, Mortgage Backed Mortgage-related securities Interest Income, Deposits With Financial Institutions Interest-earning deposits Interest-earning deposits Interest and Dividend Income, Securities Investment securities Interest and Dividend Income, Operating Total interest income Total interest income Interest Expense [Abstract] Interest expense: Interest Expense, Deposits Deposit liabilities Interest Expense, Deposits, Total Interest Expense, Borrowings Borrowings Interest Expense, Borrowings, Total Interest Expenses Related To Advances From Borrowers For Tax and Insurance Advance payments by borrowers for taxes and insurance This element represents the amount of interest expenses relating to advances from borrowers for tax and insurance during the period. Interest Expense Total interest expense Total interest expense Total interest expense Interest Income (Expense), Net Net interest income Net interest income Provision For Loan and Lease Losses Net provision for loan losses Provision for loan losses Provision for loan losses Interest Income (Expense), After Provision For Loan Loss Net interest income after provision for loan losses Net interest income after provision for loan losses Noninterest Income [Abstract] Non-interest income: Fees and Commissions, Depositor Accounts Service charges on deposits Insurance Commissions and Fees Brokerage and insurance commissions Servicing Fees, Net Loan related fees and servicing revenue, net Gain (Loss) On Sales Of Loans, Net Gain on loan sales activities, net Gain (Loss) on Sales of Loans, Net, Total Gain (Loss) On Sale Of Investments Net gain on sale of investments Net gain on sale of investments Gain on investments, net Gain on investments, net Net gain on sale of investments Other Than Temporary Impairment Losses, Investments [Abstract] Other-than-temporary impairment ("OTTI") losses: Other Than Temporary Impairment Losses, Investments Total OTTI losses Total OTTI losses Other Than Temporary Impairment Losses, Investments, Portion In Other Comprehensive Income (Loss), Before Tax, Portion Attributable To Parent Non-credit portion of OTTI losses Non-credit portion of OTTI losses Other Than Temporary Impairment Losses, Investments, Portion Recognized In Earnings, Net Net OTTI losses recognized in earnings Net OTTI losses Net OTTI losses recognized in earnings Net OTTI losses Bank Owned Life Insurance Income Increase in cash surrender value of life insurance Noninterest Income, Other Other non-interest income Other non-interest income Noninterest Income Total non-interest income Total non-interest income Noninterest Expense [Abstract] Non-interest expense: Labor and Related Expense Compensation, payroll taxes, and other employee benefits Labor and Related Expense, Total Occupancy, Net Occupancy and equipment Federal Deposit Insurance Corporation Premium Expense Federal insurance premiums Marketing and Advertising Expense Advertising and marketing Gain Losses and Expenses On Foreclosed Real Estate Net Losses and expenses on foreclosed real estate, net Value of gain (losses) and expenses on foreclosed real estate, net during the period. Losses and expenses on foreclosed real estate, net Other Noninterest Expense Other non-interest expense Other non-interest expense Non Interest Expenses Before Goodwill Impairment Total non-interest expense before goodwill impairment Total non-interest expense before goodwill impairment The total of non interest expenses before goodwill impairment. Goodwill, Impairment Loss Goodwill impairment Goodwill impairment Noninterest Expense Total non-interest expense Total non-interest expense Income (Loss) From Continuing Operations Before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (loss) before income taxes 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 Income tax expense Income tax expense Net Income (Loss), Including Portion Attributable To Noncontrolling Interest Net income before non-controlling interest Net income (loss) before non-controlling interest Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total Net Income (Loss) Attributable To Noncontrolling Interest Net loss attributable to non-controlling interest Net Income (Loss) Attributable to Noncontrolling Interest, Total Net loss attributable to non-controlling interest Net loss (income) attributable to non-controlling interests Net Income (Loss) Attributable To Parent Net income (loss) Net income Net income (loss) Earnings Per Share, Basic [Abstract] Basic earnings (loss) per share: Per share data: Earnings Per Share, Basic Basic earnings (loss) per share Earnings (loss) per share-basic (in dollars per share) Earnings Per Share, Diluted Diluted earnings (loss) per share Earnings (loss) per share-diluted (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Cash dividends per share paid Cash dividends per share paid (in dollars per share) Statements Of Total Comprehensive Income [Abstract] Statements Of Total Comprehensive Income [Abstract] Other Comprehensive Income (Loss), Net Of Tax, Portion Attributable To Parent [Abstract] Other comprehensive income (loss), net of tax: Other Than Temporary Impairment Losses, Investments, Portion In Other Comprehensive Income (Loss), Net Of Tax, Portion Attributable To Parent, Available-For-Sale Securities Non-credit portion of OTTI on securities available-for sale, net of of deferred income taxes of $(95) in 2012 and $(365) in 2011 Non-credit portion of OTTI on securities available-for sale, deferred income taxes Other Comprehensive Income, Unrealized Holding Gain (Loss) On Securities Arising During Period, Net Of Tax Change in net unrealized gain (loss) on securities available-for-sale, net of deferred income taxes Change in net unrealized gain on securities available-for-sale, deferred income taxes Other Comprehensive Income (Loss), Reclassification Adjustment For Sale Of Securities Included In Net Income, Net Of Tax Reclassification adjustment for realized gains on sales of securities available-for-sale, net of income taxes of $(218) in 2012 and $(446) in 2011 Reclassification adjustment for realized gains on sales of securities available-for-sale, net of income taxes of $(446) in 2011 Other Comprehensive Income (Loss), Available-For-Sale Securities Adjustment, Net Of Tax Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Unrealized holding gains (losses) during the period, Total Unrealized holding gains (losses) during the period, Total Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net Of Tax [Abstract] Defined benefit pension plans: Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized In Net Periodic Pension Cost, Net Of Tax Amortization of prior period net loss included in net periodic pension cost, net of deferred income taxes Amortization of prior period net loss included in net periodic pension cost, net of deferred income taxes of $254 in 2012 Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized In Net Periodic Benefit Cost, Net Of Tax Other pension-related adjustments, net of deferred income taxes of $(41) in 2011 Other pension-related adjustments, net of deferred income taxes of $(41) in 2011 Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net Of Tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other Comprehensive Income (Loss), Net Of Tax, Portion Attributable To Parent Other comprehensive income Other comprehensive income Total other comprehensive income, net of tax Comprehensive Income Net Of Tax Other comprehensive income (loss) Total comprehensive income (loss) before non-controlling interest Comprehensive Income, Net of Tax, Attributable to Parent, Total Comprehensive Income (Loss), Net Of Tax, Attributable To Noncontrolling Interest Comprehensive loss attributable to non-controlling interest Comprehensive loss attributable to non-controlling interest Comprehensive Income (Loss), Net Of Tax, Including Portion Attributable To Noncontrolling Interest Total comprehensive income Total comprehensive income (loss) Statements Of Total Comprehensive Income [Parenthetical] [Abstract] Statements Of Total Comprehensive Income [Parenthetical] [Abstract] Other Than Temporary Impairment Losses, Investments, Portion In Other Comprehensive Income (Loss), Tax, Portion Attributable To Parent, Available-For-Sale Securities Non-credit portion of OTTI on securities available-for sale, Ddeferred income tax Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) On Securities Arising During Period, Tax Change in net unrealized gain on securities available-for-sale, Deferred income tax Other Comprehensive Income (Loss), Reclassification Adjustment For Sale Of Securities Included In Net Income, Tax Reclassification adjustment for realized gains on sales of securities available-for-sale, Income tax Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized In Net Periodic Pension Cost, Tax Amortization of prior period net loss included in net periodic pension cost, Deferred income tax Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized In Net Periodic Benefit Cost, Tax Other pension-related adjustments, Deferred income tax Statement Of Stockholders Equity [Abstract] Statement of Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Statement, Equity Components [Axis] Common Stock [Member] Additional Paid-In Capital [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Treasury Stock [Member] Noncontrolling Interest [Member] Equity Contribution By Non- Controlling Real Estate Partnership Equity contribution by non-controlling real estate partnership The following lines are referred the partners are contribute partnership Equity contribution by non-controlling real estate partnership Adjustments To Additional Paid In Capital, Management Recognition Plan Shares Issuance of management recognition plan shares This element represents the amount of recognized management plan shares during the reporting period. Stock Issued During Period, Value, Stock Options Exercised Exercise of stock options Adjustments To Additional Paid In Capital, Share-Based Compensation, Requisite Service Period Recognition, Value Share based payments Dividends, Common Stock, Cash Cash dividends Cash dividends Statements Of Equity [Parenthetical] [Abstract] Statements Of Equity [Parenthetical] [Abstract] Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided By (Used In) Operating Activities [Abstract] Operating activities: Adjustments To Reconcile Net Income (Loss) To Cash Provided By (Used In) Operating Activities [Abstract] Adjustments to reconcile net income to net cash from operating activities: Gains (Losses) On Sales Of Other Real Estate Net loss on foreclosed real estate Net loss on foreclosed real estate Losses and expenses on foreclosed real estate, net Depreciation Provision for depreciation Depreciation, Total Amortization Of Mortgage Servicing Rights (Msrs) Amortization Amortization of mortgage servicing rights Total Increase (Decrease) In Valuation Allowance On Mortgage Servicing Rights Increase in valuation allowance on MSRs Total increase (decrease) in valuation allowance on mortgage servicing rights for the period. Investment Income, Amortization Of Premium Net premium amortization on securities Payments For Origination and Purchases Of Loans Held-For-Sale Loans originated for sale Payments for Origination and Purchases of Loans Held-for-sale, Total Loans originated for sale Proceeds From Sale Of Loans Held-For-Sale Proceeds from loan sales Proceeds from Sale of Loans Held-for-sale, Total Gain (Loss) On Sale Of Loans and Leases Net gain on loan sales activities Net gain on loan sales activities Other Operating Activities, Cash Flow Statement Other, net Other, net Net Cash Provided By (Used In) Operating Activities Net cash provided (used) by operating activities Net cash provided by operating activities Net Cash Provided By (Used In) Investing Activities [Abstract] Investing activities: Proceeds From Sale and Maturity Of Available-For-Sale Securities Proceeds from maturities of investment securities available-for-sale Proceeds From Sale Of Other Investments Proceeds from sale of investment securities Payments To Acquire Mortgage Backed Securities (Mbs) Categorized As Available-For-Sale Purchases of mortgage-related securities available-for-sale Purchases of mortgage-related securities available-for-sale Proceeds From Maturities, Prepayments and Calls Of Mortgage Backed Securities (Mbs) Principal repayments on mortgage-related securities available-for-sale Proceeds From Sale Of Mortgage Backed Securities (Mbs) Categorized As Available-For-Sale Proceeds from sales of mortgage-related securities available-for-sale Payments To Acquire Held-To-Maturity Securities Purchases of mortgage-related securities held-to-maturity Purchases of mortgage-related securities held-to-maturity Proceeds From Maturities, Prepayments and Calls Of Held-To-Maturity Securities Principal repayments on mortgage-related securities held-to-maturity Proceeds From Redemption Of Fhlb Of Chicago Stock Proceeds from redemption of FHLB of Chicago stock The cash inflow associated with the amount received from the redemption of FHLB of Chicago stock during the period. Payments For (Proceeds From) Loans and Leases Net decrease (increase) in loans receivable Payments for (Proceeds from) Loans and Leases, Total Net increase in loans receivable Proceeds From Sale Of Foreclosed Assets Proceeds from sale of foreclosed properties Payments To Acquire Property, Plant, and Equipment Net purchases of premises and equipment Net purchases of premises and equipment Net purchases of premises and equipment Net purchases of premises and equipment Net Cash Provided By (Used In) Investing Activities Net cash used by investing activities Net cash used by investing activities Net Cash Provided By (Used In) Financing Activities [Abstract] Financing activities: Increase (Decrease) In Deposits Net decrease in deposit liabilities Increase (Decrease) in Deposits, Total Proceeds From Issuance Of Long-Term Debt Proceeds from long-term borrowings Repayments Of Federal Home Loan Bank Borrowings Repayments of borrowings Repayments of borrowings Net Increase In Advance Payments By Borrowers For Taxes and Insurance Net increase in advance payments by borrowers for taxes and insurance The net increase in 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 tax authority or insurer (or insurance agency) on behalf of the borrower. Net increase in advance payments by borrowers for taxes and insurance Payments Of Dividends, Common Stock Cash dividends Cash dividends Proceeds From (Payments For) Other Financing Activities Other, net Net Cash Provided By (Used In) Financing Activities Net cash provided (used) by financing activities Net cash used by financing activities Cash and Cash Equivalents, Period Increase (Decrease) Increase (decrease) in cash and cash equivalents Decrease in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental information: Interest Paid Interest on deposit liabilities and borrowings Income Taxes Paid Income taxes Noncash Investing and Financing Items [Abstract] Non-cash transactions: Non Cash Transfer Of Loans To Foreclosed Properties and Repossessed Assets Loans transferred to foreclosed properties and repossessed assets Value of loans transferred to foreclosed properties and repossessed assets in noncash transaction. Organization, Consolidation and Presentation Of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation Of Financial Statements Disclosure [Text Block] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Mortgage Related Securities Available For Sale and Held To Maturity [Abstract] Mortgage Related Securities Available For Sale And Held To Maturity [Abstract] Mortgage Related Securities Available For Sale and Held To Maturity [Text Block] Mortgage Related Securities Available For Sale And Held To Maturity [Text Block] The entire disclosure of mortgage related securities available for sale and held to maturity. Receivables [Abstract] Receivables [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Mortgage Servicing Rights [Abstract] Mortgage Servicing Rights [Abstract] Mortgage Servicing Rights [Text Block] Mortgage Servicing Rights [Text Block] Disclosure related with the Mortgage Servicing Rights, which contractually entitle the servicer to receive fees and ancillary revenues for performing billing, collection, disbursement and recordkeeping services in connection with a mortgage portfolio. Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Text Block] Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Text Block] Disclosure Text Block [Abstract] Disclosure Text Block [Abstract] Deposit Liabilities Disclosures [Text Block] Deposit Liabilities Disclosures [Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Debt Disclosure [Text Block] Stockholders Equity Note [Abstract] Stockholders' Equity Note [Abstract] Stockholders Equity Note Disclosure [Text Block] Stockholders' Equity Note Disclosure [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block]