Document And Entity Information [Abstract] Document And Entity Information [Abstract] Statement [Table] Statement [Line Items] Document Type Amendment Flag Document Period End Date Document Fiscal Period Focus Document Fiscal Year Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Filer Category Entity Common Stock, Shares Outstanding Consolidated Statements Of Financial Condition [Abstract] ASSETS Cash and due from other financial institutions Cash and Due from Banks, Total Interest-bearing deposits in other financial institutions Cash and cash equivalents Ending cash and cash equivalents Beginning cash and cash equivalents Cash and cash equivalents Marketable Securities Marketable Securities, Total 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 Receivable Held-for-sale, Net, Total Loans held-for-sale Loans receivable, net of allowance for loan losses: June 30, 2011, $22,504 and December 31, 2010, $22,180 Loans receivable, net of allowance for loan losses: March 31, 2012, $31,638 and December 31, 2011, $31,726 Loans Receivable, Net, Total Real Estate Acquired Through Foreclosure Other real estate owned Stock in Federal Home Loan Bank, at cost Premises and equipment, net Property, Plant and Equipment, Net, Ending Balance Property, Plant and Equipment, Net, Beginning Balance Property, Plant and Equipment, Net, Total Interest Receivable Accrued interest receivable Intangible Assets, Net (Excluding Goodwill) Intangible Assets, Net (Excluding Goodwill), Total Core deposit intangible Bank owned life insurance FDIC prepaid expense Income tax receivable Other assets Other Assets, Total Total assets Total assets LIABILITIES AND STOCKHOLDERS' EQUITY Noninterest-bearing Deposit Liabilities Noninterest-bearing Noninterest-bearing Deposit Liabilities, Total Interest-bearing Deposit Liabilities Interest-bearing Interest-bearing Deposit Liabilities, Total Deposit Total deposits Deposits Short Term Borrowings Borrowings Short-term Borrowings, Total Advance Payments By Borrowers Taxes And Insurance Activity Advance payments by borrowers taxes and insurance Accrued Interest Payable And Other Liabilities Accrued Interest Payable And Other Liabilities Accrued interest payable and other liabilities Total liabilities Total liabilities Commitments and contingent liabilities Stockholders' equity: Preferred Stock, $0.01 par value, 25,000,000 shares authorized, none issued or Outstanding Preferred Stock, Value, Issued, Ending Balance Preferred Stock, Value, Issued, Beginning Balance Preferred Stock, $0.01 par value, 25,000,000 shares authorized, none issued or outstanding Preferred Stock, Value, Issued, Total Common Stock, $0.01 par value, 100,000,000 shares authorized; 21,072,966 shares issued at June 30, 2011 and December 31, 2010 Common Stock, Value, Issued, Ending Balance Common Stock, Value, Issued, Beginning Balance Common Stock, $0.01 par value, 100,000,000 shares authorized; 21,072,966 shares issued at March 31, 2012 and December 31, 2011 Common Stock, Value, Issued, Total Additional paid-in capital Additional Paid in Capital, Ending Balance Additional Paid in Capital, Beginning Balance Additional Paid in Capital, Total Retained earnings Retained Earnings (Accumulated Deficit), Ending Balance Retained Earnings (Accumulated Deficit), Beginning Balance Retained Earnings (Accumulated Deficit), Total Unearned Employee Stock Ownership Plan shares Unearned Employee Stock Ownership Plan shares Accumulated other comprehensive income Accumulated Other Comprehensive Income (Loss), Net of Tax, Ending Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Beginning Balance Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Balance at December 31, 2010 Balance Balance Total stockholders' equity Total liabilities and stockholders' equity Total liabilities and stockholders' equity Loans receivable, allowance for loan losses Loans and Leases Receivable, Allowance, Ending Balance Loans and Leases Receivable, Allowance, Beginning Balance Loans and Leases Receivable, Allowance, Total Preferred Stock, par value Preferred stock, par value 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, Ending Balance Preferred Stock, Shares Outstanding, Beginning Balance Preferred stock, shares outstanding Common Stock, par value Common stock, par value Common Stock, shares authorized Common stock, shares authorized Common Stock, shares issued Common stock, shares issued Common stock, Shares, Issued, Total Consolidated Statements Of Operations [Abstract] Interest and dividend income Loans, including fees Interest and Fee Income, Loans and Leases, Total Interest And Dividend Income Securities Interest and Dividend Income, Securities, Total Securities Other Interest And Dividend Income Other Total interest income Total interest income Interest expense Interest Expense Deposits Deposits Interest Expense, Deposits, Total Borrowings Interest Expense, Borrowings, Total Total interest expense Total interest expense Net interest income Net interest income Provision for Loan and Lease Losses, Total Provision for loan losses Provision for loan losses Net interest income after provision for loan losses Net interest income after provision for loan losses Noninterest income Deposit service charges and fees Other fee income Insurance commissions and annuities income Net gain on sale of loans Net gain on sale of loans Gain (Loss) on Sales of Loans, Net, Total Gain on sale of loans, net Loss on disposition of premises and equipment, net Gain (Loss) on Disposition of Property, Total Loan servicing fees Amortization And Impairment Of Servicing Assets Amortization And Impairment Of Servicing Assets Amortization and impairment of servicing assets Amortization and impairment of servicing assets Loss (earnings) on bank owned life insurance Earnings on bank owned life insurance Earnings on bank owned life insurance Noninterest Income From Trust. Noninterest Income From Trust Trust Noninterest Income Other Other Noninterest Income, Other, Total Total noninterest income Total noninterest income Noninterest expense Compensation and benefits Labor and Related Expense, Total Office occupancy and equipment Advertising and public relations Marketing and Advertising Expense, Total Information technology Supplies, telephone, and postage Supplies and Postage Expense, Total The aggregate expense charged against earnings to allocate the cost of core deposit intangibles (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Amortization of intangibles Asset Management Costs Nonperforming asset management Operations of other real estate owned FDIC insurance premiums Business Combination, Acquisition Related Costs Acquisition costs Other Total noninterest expense Total noninterest expense Income before income taxes Income (loss) before income taxes Income tax expense (benefit) Income tax expense (benefit) Net income Net loss Net income (loss) Net income (loss) Basic income (loss) per common share Earnings Per Share, Basic, Total Diluted income (loss) per common share Earnings Per Share, Diluted, Total Weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Basic, Total Diluted weighted average common shares outstanding Weighted Average Number of Shares Outstanding, Diluted, Total Consolidated Statements Comprehensive Income (Loss) [Abstract] Comprehensive income (loss): Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, before Tax Unrealized holding loss arising during the period Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax Tax effect Change in other comprehensive income, net of tax effects Change in other comprehensive income (loss), net of tax effects Change in other comprehensive income (loss), net of tax effect Change in other comprehensive income, net of tax effects Total comprehensive income Total comprehensive income (loss) Comprehensive income (loss) Consolidated Statements Of Changes In Stockholders' Equity [Abstract] Statement, Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Parent [Member] Parent [Member] Common Stock [Member] Common Stock [Member] Additional Paid In Capital [Member] Additional Paid-In Capital [Member] Retained Earnings [Member] Retained Earnings [Member] Unearned Employee Stock Ownership Plan Shares [Member] Unearned Employee Stock Ownership Plan Shares [Member] Unearned Employee Stock Ownership Plan Shares [Member] Accumulated Other Comprehensive Income [Member] Accumulated Other Comprehensive Income [Member] Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Value ESOP shares earned Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition, Total Nonvested stock awards-stock-based compensation expense Dividends, Common Stock, Cash Cash dividends declared on common stock Cash dividends declared on common stock ($0.14 per share) Stock Issued During Period, Value, Employee Stock Ownership Plan ESOP shares earned ESOP shares earned Common Stock, Dividends, Per Share, Declared Cash dividends declared on common stock, per share Consolidated Statements Of Cash Flows [Abstract] Cash flows from operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile to net loss to net cash from operating activities Employee Stock Ownership Plan (ESOP), Compensation Expense ESOP shares earned Stock-based compensation expense Share-based Compensation, Total Depreciation and amortization Depreciation, Amortization and Accretion, Net, Total Amortization of premiums and discounts on securities and loans Amortization of premiums and discounts on securities and loans Amortization of Intangible Assets, Total Amortization of core deposit and other intangible assets Amortization of Intangible Assets, Total Amortization of intangibles Increase (Decrease) in Loans, Deferred Income Net change in net deferred loan origination costs Net change in net deferred loan origination costs Gain (loss) on sale of real estate acquired through foreclosure Gain loss on sale of real estate acquired through foreclosure Net gain on sale of other real estate owned Net loss (gain) on disposition of premises and equipment Net loss disposition of premises and equipment Net loss (gain) on disposition of premises and equipment Gain (Loss) on Sale of Property Plant Equipment, Total Loans originated for sale Loans originated for sale Loans originated for sale Loans originated for sale Proceeds from sale of loans Proceeds from Sale of Loans Held-for-sale, Total Increase (Decrease) in Operating Capital [Abstract] Net change in: Deferred income tax Deferred income tax Deferred income tax Accrued interest receivable Accrued interest receivable Accrued interest receivable Increase Decrease In Other Operating Assets Other assets Other assets Increase (Decrease) in Other Operating Assets, Total Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Increase (Decrease) in Accounts Payable and Accrued Liabilities, Total Accrued interest payable and other liabilities Accrued interest payable and other liabilities Net cash from operating activities Net cash from operating activities Cash flows from investing activities Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities Proceeds from maturities Proceeds from Sale, Maturity and Collections of Investments Proceeds from Sale, Maturity and Collections of Investments, Total Proceeds from principal repayments Payments to Acquire Marketable Securities Purchases of securities Purchases of securities Payments to Acquire Marketable Securities, Total Payments for (Proceeds from) Loans and Leases [Abstract] Loans receivable Proceeds from Principal Repayments on Loans and Leases Held-for-investment Principal payments on loans receivable Payments to Acquire Loans and Leases Held-for-investment Purchases of loans Payments to Acquire Loans and Leases Held-for-investment, Total Purchase of loans Payments of Loan Costs Originated for investment Originated for investment Proceeds from Sale of Federal Reserve Stock Proceeds of redemption of Federal Reserve Bank stock Payments for (Proceeds from) Federal Home Loan Bank Stock Proceeds of redemption of Federal Home Loan Bank of Chicago stock Proceeds of redemption of Federal Home Loan Bank of Chicago stock Payments for (Proceeds from) Federal Home Loan Bank Stock, Total Proceeds from Sale of Other Real Estate Proceeds from sale of other real estate owned Purchases of premises and equipment, net Purchase of premises and equipment, net Payments to Acquire Property, Plant, and Equipment, Total Cash Acquired from Acquisition Cash acquired in acquisition Cash and cash equivalents acquired Net cash from investing activities Net cash from investing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Cash flows from financing activities Net change in deposits Increase (Decrease) in Deposits, Total Net change in advance payments by borrowers for taxes and insurance Net change in advance payments by borrowers for taxes and insurance Proceeds from (Repayments of) Debt Proceeds from (Repayments of) Debt, Total Net change in borrowings Cash dividends paid on common stock Cash dividends paid on common stock Net cash from financing activities Net cash from financing activities Net change in cash and cash equivalents Net change in cash and cash equivalents Supplemental Cash Flow Information [Abstract] Supplemental disclosures of cash flow information: Interest paid Interest Paid, Net, Total Income taxes paid Loans transferred to real estate owned Loans transferred to real estate owned Loans transferred to other real estate owned Supplemental disclosures of noncash investing activities - Acquisition: Noncash or Part Noncash Acquisition, Investments Acquired Securities Noncash Or Part Noncash Acquisition Loans Receivable Noncash Or Part Noncash Acquisition Loans Receivable Loans receivable Noncash Or Part Noncash Acquisition Other Real Estate Owned Noncash Or Part Noncash Acquisition Other Real Estate Owned Other real estate owned Stock in Federal Home Loan Bank and Federal Reserve Bank Stock In Federal Home Loan Bank And Federal Reserve Bank Stock in Federal Home Loan Bank and Federal Reserve Bank Noncash assets acquired goodwill. Noncash Assets Acquired Goodwill Goodwill Noncash or Part Noncash Acquisition, Fixed Assets Acquired Premises and equipment, net Noncash Or Part Noncash Acquisition Accrued Interest Receivable Noncash Or Part Noncash Acquisition Accrued Interest Receivable Accrued interest receivable Noncash or Part Noncash Acquisition, Intangible Assets Acquired Core deposit intangible Federal Deposit Insurance Corporation prepaid expense Federal Deposit Insurance Corporation Prepaid Expense FDIC prepaid expense Income tax receivable Income tax Receivable Non Cash Income tax receivable Deferred taxes, net Deferred Taxes, Net, Non Cash Deferred taxes, net Noncash or Part Noncash Acquisition, Other Assets Acquired Other assets Noncash or Part Noncash Acquisition, Value of Assets Acquired Total noncash items acquired Noncash or Part Noncash Acquisition, Value of Assets Acquired, Total Noncash or Part Noncash Acquisition, Value of Liabilities Assumed [Abstract] Liabilities assumed: Deposits Deposits Non Cash Deposits Advance payments by borrowers taxes and insurance Advance Payments By Borrowers Taxes And Insurance Advance payments by borrowers taxes and insurance Noncash or Part Noncash Acquisition, Other Liabilities Assumed Accrued interest payable and other liabilities Noncash or Part Noncash Acquisition, Value of Liabilities Assumed Total liabilities assumed Total liabilities assumed Summary Of Significant Accounting Policies [Abstract] Organization ConsolidationAndPresentation Of Financial Statements Disclosure Text Block OrganizationConsolidationAndPresentation Of Financial Statements Disclosure Text Block Summary Of Significant Accounting Policies Income (Loss) Per Share [Abstract] Earnings Per Share Text Block Income (Loss) Per Share Securities [Abstract] Marketable Securities Text Block Securities Loans Receivable [Abstract] Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Loans Receivable Fair Value [Abstract] Fair Value Disclosures [Text Block] Fair Value Recent Accounting Pronouncements [Abstract] Accounting Changes and Error Corrections [Text Block] Recent Accounting Pronouncements Newly Issued But Not Yet Effective Accounting Pronouncements [Abstract] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Recent Accounting Pronouncements Newly Issued But Not Yet Effective Accounting Pronouncements