Premium and discounts on investment securities, net Accretion (Amortization) of Discounts and Premiums, Investments Accumulated other comprehensive (loss) gain Additional paid-in capital Net amortization of: Loss on sale of other real estate owned Gain (Loss) on Sale of Properties Other intangible assets Mortgage servicing rights Junior subordinated debt owed to unconsolidated trusts issuance costs CONSOLIDATED BALANCE SHEETS [Abstract] Basic earnings per common share (in dollars per share) Leased property under capital leases, net Long-term capital lease obligations Beginning of period End of period Cash and Cash Equivalents, at Carrying Value Cash and due from banks Cash and cash equivalents Cash, Cash Equivalents, and Federal Funds Sold Interest Interest Paid Commitments, Contingencies and Off Commitments and Contingencies Disclosure [Text Block] Common stock, authorized (in shares) Common stock, issued (in shares) Common stock, outstanding (in shares) Common stock, no par, authorized 20,000,000 shares; issued 6,856,800 shares, shares outstanding 6,449,726 at December 31, 2011 and December 31, 2010 Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Condensed Parent Company Financial Information Condensed Financial Information of Parent Company Only Disclosure [Text Block] Shortand Long Debt Disclosure [Text Block] Net deferred tax assets Deposits Deposit Liabilities Disclosures [Text Block] Total deposits Deposits Deposits: Deposits [Abstract] Interest-bearing Noninterest-bearing Depreciation and amortization Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Regulatory Matters Regulatory Capital Requirements under Banking Regulations [Text Block] Diluted earnings per common share (in dollars per share) Stock options and stock appreciation rights expenses Stock owned by Employee Stock Ownership Plan (ESOP) participants (in shares) Stock owned by Employee Stock Ownership Plan (ESOP) participants; 646,675 shares and 628,914 shares at December 31, 2011 and December 31, 2010, respectively, at fair value Employee Stock Ownership Plan (ESOP), Deferred Shares, Fair Value Securities purchased under resell agreements Loss on disposal of premises and equipment Gain (Loss) on Disposition of Property Write-down of value of other real estate owned CONSOLIDATED STATEMENTS OF INCOME [Abstract] Income Taxes Income Tax Disclosure [Text Block] Decrease (increase) in other assets Increase (Decrease) in Other Operating Assets Other intangible assets Intangible Assets, Net (Excluding Goodwill) Interest-bearing deposits with banks Total interest expense Interest Expense Interest expense: Deposits Interest Expense, Deposits Long-term borrowings Short-term borrowings Net interest income after provision for loan losses Interest Income (Expense), after Provision for Loan Loss Federal funds sold Other interest-bearing deposits Nontaxable Taxable Investment in unconsolidated trusts Investment securities: Accrued interest receivable Investment Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Salaries and employee benefits Total liabilities Liabilities Liabilities Liabilities [Abstract] Total liabilities and stockholders' equity Liabilities and Equity LIABILITIES AND STOCKHOLDERS' EQUITY Loans held for sale Loans, including fees Long-term borrowings Long-term Debt Investment securities available for sale Investment securities held to maturity, at amortized cost (fair value of $11,879 at December 31, 2011 and $10,951 at December 31, 2010) Marketing Net cash (used in) provided by financing activities Net Cash Provided by (Used in) Financing Activities Cash Flows From Financing Activities Net cash (used in) investing activities Net Cash Provided by (Used in) Investing Activities Cash Flows From Investing Activities Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash Flows From Operating Activities Net increase (decrease) in demand deposits, NOW accounts and savings accounts Loans funded, net of repayments Payments for (Proceeds from) Loans and Leases Net (decrease) increase in time deposits Net income Net income Net income Net income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic Net (decrease) increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net interest income Loans, allowance for losses Loans (net of allowance for loan losses of $27,909 at December 31, 2011 and $28,722 at December 31, 2010) FDIC insurance premiums Occupancy Other Postage Supplies Supplies Expense Total other income Noninterest Income Other income: Trust fees Loss on disposal of other real estate owned Gains (Losses) on Sales of Other Real Estate Mortgage loan servicing fees Net gain on sale of securities Net (gain) on sale of investment securities Gain (Loss) on Sale of Securities, Net Net gain on sale of loans Net gain on sale of loans Loss on venture capital investments Venture Capital Gains (Losses), Net Loan and other fees Other operating income Service charges on deposits Legal, professional and accounting fees Repossession and fraud losses Other Nonoperating Gains (Losses) Total interest income Interest and Dividend Income, Operating Interest income: Reclassification of unrealized gains to realized gains, tax Net change in unrealized gain on investment securities, available-for-sale, net of taxes Change in unrealized (loss) gain on investment securities, net of taxes Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax Net change in unrealized gain on investment securities, available-for-sale, tax Other liabilities Transfers from loans to repossessed assets Other real estate owned Common shares dividend payments Payments of Dividends, Common Stock Preferred shares dividend payments Payments of Dividends, Preferred Stock and Preference Stock Origination of loans held for sale Payments for Origination of Mortgage Loans Held-for-sale Retirement Plans Pension and Other Postretirement Benefits Disclosure [Text Block] Preferred stock, authorized (in shares) Preferred stock, issued (in shares) Preferred stock, outstanding (in shares) Dividends and discount accretion on preferred shares Issuance of common stock for stock option plan Issuance of preferred stock Proceeds from maturities and paydowns of investment securities, available for sale Proceeds from maturities and paydowns of investment securities, held to maturity Proceeds from maturities and paydowns of investment securities, other Proceeds from sale of investment securities, available for sale Gross sales of loans held for sale Proceeds from sale of other real estate owned Premises and equipment, net Premises and Equipment [Abstract] Provision for loan losses Provision for loan losses Purchase of investment securities, available for sale Payments to Acquire Available-for-sale Securities Purchase of investment securities, held to maturity Payments to Acquire Held-to-maturity Securities Acquisition of intangible assets Payments to Acquire Intangible Assets Purchases of loans Payments to Acquire Loans Held-for-investment Purchase of investment securities, other Payments to Acquire Other Investments Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Other Real Estate Owned Real Estate Disclosure [Text Block] Loans Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Purchase of treasury stock Payments for Repurchase of Common Stock Retained earnings Title insurance premiums Series B Preferred Stock [Member] Series A Preferred Stock [Member] Mortgage servicing rights, net Short-term borrowings Short-term Debt Significant Accounting Policies Significant Accounting Policies [Text Block] CONSOLIDATED STATEMENTS OF CASH FLOWS [Abstract] CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY [Abstract] Stockholders' equity Supplemental Disclosures of Cash Flow Information Tax benefit recognized for exercise of stock options Income taxes Income Taxes Paid Total other expense Noninterest Expense Other expenses: Treasury Stock [Member] Common Stock Held in Treasury [Member] Treasury shares issued Stock Issued During Period, Value, Treasury Stock Reissued Change in mortgage servicing rights valuation allowance Common Stock [Member] Common Stock Issued [Member] Premises and Equipment Property, Plant and Equipment Disclosure [Text Block] Preferred Stock [Member] Investment securities held to maturity, fair value Total assets Assets Other Intangible Assets Intangible Assets Disclosure [Text Block] Stock Incentives Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Statement [Table] ASSETS Statement [Line Items] Loan Servicing and Mortgage Servicing Rights [Abstract] Preferred Equity Issues [Abstract] Fair Value Measurements Fair Value Disclosures [Text Block] Income by Quarter Quarterly Financial Information [Text Block] Preferred stock, liquidation value (in dollars per share) Class of Stock [Domain] Treasury stock, at cost, 407,074 shares at December 31, 2011 and December 31, 2010 Treasury Stock, Value Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Loan Servicing and Mortgage Servicing Rights Transfers and Servicing of Financial Assets [Text Block] Tax benefit recognized for exercise of stock options Excess Tax Benefit from Share-based Compensation, Operating Activities (Increase) in deferred income tax assets Increase (Decrease) in Deferred Income Taxes (Decrease) increase in other liabilities Income before provision for income taxes Class of Stock [Axis] Long-term capital lease obligations Capital Lease Obligations Treasury stock, shares (in shares) Reclassification of unrealized gains to realized gains, net of taxes Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax Total stockholders' equity Balance Balance Stockholders' Equity Attributable to Parent Provision for income taxes Preferred stock Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Statement, Equity Components [Axis] Additional Paid-in Capital [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Equity Component [Domain] Junior subordinated debt owed to unconsolidated trusts Junior Subordinated Debenture Owed to Unconsolidated Subsidiary Trust Common stock, par value (in dollars per share) Data processing Junior subordinated debt owed to unconsolidated trusts Treasury shares purchased Treasury Stock, Value, Acquired, Cost Method Dividends declared on common shares Dividends, Common Stock Dividends declared on preferred shares Dividends, Preferred Stock Tax benefit from the exercise of stock options Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation Preferred stock, par value (in dollars per share) Description of Leasing Arrangements [Abstract] Commitments and contingencies (Note 16 ) Description of Leasing Arrangements Leases of Lessee Disclosure [Text Block] Other investments Adjustments to reconcile net income to net cash provided by operating activities: Accrued interest payable Prepaid expenses Other assets Total stockholders' equity before treasury stock Stockholders' Equity before Treasury Stock Cash and cash equivalents: Investment Securities [Abstract] Preferred stock, dividend rate (in hundredths) Preferred Equity Issues Preferred Stock [Text Block] Loans [Abstract] Restrictions on Cash and Due From Banks Restricted Assets Disclosure [Text Block] Repayment of borrowings Repayments of Debt Proceeds from issuances of borrowings Commitments, Contingencies and Off [Abstract] Litigation Legal Matters and Contingencies [Text Block] Income Taxes [Abstract] Condensed Parent Company Financial Information [Abstract] Other Intangible Assets [Abstract] Fair Value Measurements [Abstract] Shortand Long [Abstract] Retirement Plans [Abstract] Income by Quarter [Abstract] Derivative Financial Instruments [Abstract] Stock Incentives [Abstract] Stock options and stock appreciation rights expensed Adjustments to Additional Paid in Capital, Share-based Compensation, Nonvested Shares, Requisite Service Period Recognition Significant Accounting Policies [Abstract] Regulatory Matters [Abstract] Other Real Estate Owned [Abstract] Sales of other real estate owned financed by loans Transfers from loans to other real estate owned Transfer of Other Real Estate Non-cash investing and financing activities: Amendment Flag Current Fiscal Year End Date Document Period End Date Entity [Text Block] Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Current Reporting Status Entity Filer Category Entity Public Float Entity Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Litigation [Abstract] Junior Subordinated Debt Owed to Unconsolidated Trusts [Text Block] The entire disclosure for junior subordinated long-term debt owed to unconsolidated subsidiary trusts. Junior Subordinated Debt Owed to Unconsolidated Trusts Junior Subordinated Debt Owed to Unconsolidated Trusts [Abstract] Restrictions on Cash and Due From Banks [Abstract] Amortization and valuation of mortgage servicing rights The periodic amortization (in proportion to and over the period of estimated net servicing income or loss) and valuation of capitalized 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. Amortization and valuation of other intangible assets The aggregate expense charged against earnings to allocate the cost and revaluation of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. Bankcard and ATM network fees The amount of expenses incurred in the period for bankcard and ATM network fees. Collection expenses The amount of expenses incurred in the period related to collection efforts on nonperforming loans. Federal Home Loan Bank (FHLB) stock dividends received Dividends received on Federal Home Loan Bank (FHLB) during the current period. Federal Home Loan Bank (FHLB) stock dividends received Cash payments for: [Abstract] Cash payments for: Net cash provided by operating activities before originations and sales of loans held for sale The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity before originations and gross sales of loans held for sale. Net cash provided by operating activities before originations and gross sales of loans held for sale Amortization of preferred stock issuance costs Value of issuance costs associated with preferred stock issued during the period. Amortization of preferred stock issuance costs Net change in the fair value of stock owned by ESOP participants Increase (decrease) in fair value of shares held by the ESOP in which no ESOP participant has a vested interest and no lender has a claim. Net change in the fair value of stock owned by ESOP participants Increase (Decrease) in stock owned by ESOP participants Increase in the value of shares granted to employees from the employee stock option plan (ESOP). Increase in stock owned by ESOP participants Stock Issued During Period Value New Issues Preferred Stock Series A Equity impact of the value of Series A preferred stock issued during the period. Issuance of preferred stock, series A Stock Issued During Period Value New Issues Preferred Stock Series B Equity impact of the value of Series B preferred stock issued during the period. Issuance of preferred stock, series B Decrease (Increase) in shares stock owned by ESOP participants Increase in the number of shares granted to employees from the employee stock option plan (ESOP). Increase in stock owned by ESOP participants (in shares) Dividends declared, not yet paid Dividends declared, but not yet paid, during the reporting period. Dividends declared, not yet paid