Amortization of premiums on securities, net Accretion (Amortization) of Discounts and Premiums, Investments Accumulated other comprehensive income (loss) Additional-paid-in capital Depreciation and amortization of fixed assets Amortization of intangible assets CONSOLIDATED BALANCE SHEETS (UNAUDITED) [Abstract] Bank owned life insurance Total cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and Cash Equivalents, at Carrying Value Cash and due from financial institution Interest Decrease in accrued interest payable Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Common stock, shares authorized (in shares) Common stock, shares issued (in shares) Common stock, $.01 par value per share, 10,000,000 shares authorized; 5,310,076 issued at March 31, 2012 and December 31, 2011 Other Comprehensive Income Total deposits Deposits Deposits: Deposits [Abstract] Interest-bearing Non-interest-bearing Federal Home Loan Bank term advances CONSOLIDATED STATEMENTS OF INCOME (UNAUDITED) [Abstract] Decrease (increase) in other assets Increase (Decrease) in Other Operating Assets Other intangible assets, net Goodwill Interest-bearing deposits in other financial institutions Total interest expense Interest Expense Interest expense: Borrowed funds Interest Expense, Borrowings Deposits Interest Expense, Deposits Securities sold under agreements to repurchase Net interest income after provision for loan losses Interest Income (Expense), after Provision for Loan Loss Interest-bearing deposits Tax exempt securities Taxable securities Securities Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Total liabilities Liabilities Total liabilities and shareholders' equity Liabilities and Equity LIABILITIES AND SHAREHOLDERS' EQUITY Loans held for sale Loans Receivable Held-for-sale, Net Loans, including fees Loans, net of deferred origination fees and costs, and unearned income Securities available for sale, at estimated fair value Securities held to maturity, estimated fair value of $8,206,472 at March 31, 2012 and $9,175,956 at December 31, 2011 Net cash provided by financing activities Net Cash Provided by (Used in) Financing Activities CASH FLOWS FROM FINANCING ACTIVITIES: Net cash used by 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 in demand deposits, NOW accounts, savings accounts, and insured money market accounts Net (increase) decrease in loans Payments for (Proceeds from) Loans and Leases Repayments of Federal Home Loan Bank long term advances Net decrease in securities sold under agreements to repurchase Net decrease in time deposits and individual retirement accounts Net income Net income Net income Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Net interest income Interest Income (Expense), Net Allowance for loan losses Loans and Leases Receivable, Allowance Loans, net Loans and Leases Receivable, Net Reported Amount Adoption of New Accounting Standards [Abstract] FDIC insurance Net occupancy expenses Other Other Noninterest Expense Total other operating income Noninterest Income Other operating income: Income from bank owned life insurance Income from bank owned life insurance Bank Owned Life Insurance Income Wealth management group fee income Net losses on sale of other real estate owned Gains (Losses) on Sales of Other Real Estate Net gains on securities transactions Net gain on securities transactions Gain (Loss) on Sale of Securities, Net Gains on sales of loans held for sale, net Net gain on sales of loans held for sale Gain (Loss) on Sales of Loans, Net Other Noninterest Income, Other Operating Income Service charges on deposit accounts Other real estate owned expenses Marketing and advertising expense Total interest and dividend income Interest and Dividend Income, Operating Interest and dividend income: Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Loans originated and held for sale Payments for Origination and Purchases of Loans Held-for-sale Net unrealized gains Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Tax Net of tax amount Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Change in funded status of defined benefit pension plan and other benefit plans Net of tax amount Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other comprehensive income Other Comprehensive Income (Loss), Net of Tax [Abstract] Total other comprehensive income Other comprehensive income Reclassification adjustment net gains realized in net income Unrealized holding gains on securities available for sale Other liabilities Cash dividends paid Payments of Dividends, Common Stock Components of Quarterly and Year-to-Date Net Periodic Benefit Costs Pension and Other Postretirement Benefits Disclosure [Text Block] Proceeds from maturities and principal collected on securities available for sale Proceeds from maturities and principal collected on securities held to maturity Proceeds from sales and calls of securities available for sale Proceeds from sales of loans held for sale Proceeds from sale of other real estate owned Premises and equipment, net Provision for loan losses Purchases of securities available for sale Payments to Acquire Available-for-sale Securities Purchase of Federal Home Loan Bank and Federal Reserve Bank stock Payments to Acquire Federal Reserve Stock Purchases of securities held to maturity Payments to Acquire Held-to-maturity Securities Purchases of premises and equipment Payments to Acquire Property, Plant, and Equipment Loans and Allowance for Loan Losses Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Purchase of treasury stock Payments for Repurchase of Common Stock Retained earnings Redemption of Federal Home Loan Bank and Federal Reserve Bank stock Segment Reporting Segment Reporting Disclosure [Text Block] CONSOLIDATED STATEMENTS OF CASH FLOWS (UNAUDITED) [Abstract] CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) [Abstract] CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (UNAUDITED) [Abstract] Shareholders' equity: Stockholders' Equity Attributable to Parent [Abstract] Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Supplemental disclosure of cash flow information: Income Taxes Total other operating expenses Noninterest Expense Other operating expenses: Net gain on trading assets Trading Securities, Change in Unrealized Holding Gain (Loss) Treasury Stock [Member] Weighted average shares outstanding (in shares) Common Stock [Member] Securities held to maturity, fair value Total assets Assets Trading assets, at fair value Cash dividends declared (in dollars per share) Stock Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Statement [Table] ASSETS ASSETS Statement [Line Items] Fair Value Fair Value Disclosures [Text Block] Treasury stock, at cost (734,887 shares at March 31, 2012; 741,003 shares at December 31, 2011) Treasury Stock, Value Earnings Per Common Share [Abstract] Decrease in other liabilities Income before income tax expense Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Common stock, par value (in dollars per share) Treasury stock, at cost (in shares) Less: Tax effect Other Comprehensive Income (Loss), Available-for-sale Securities, Tax Less: Tax effect Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Tax Securities sold under agreements to repurchase Securities Sold under Agreements to Repurchase Total shareholders' equity Balances Balances Stockholders' Equity Attributable to Parent Income tax expense Furniture and equipment expenses Statement Equity Components [Axis] Additional paid-in Capital [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Equity Component [Domain] Data processing expense Distribution of shares of treasury stock for employee compensation Distribution of shares of treasury stock for employee compensation (in shares) Purchase of shares of treasury stock (in shares) Supplemental disclosure of non-cash activity: Purchase of shares of treasury stock Earnings Per Common Share Earnings Per Share [Text Block] Merger related expenses Loans and Allowance for Loan Losses [Abstract] Comprehensive income Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Cash dividends declared Adjustments to reconcile net income to net cash provided by operating activities: Dividends payable Accrued interest payable Other assets Proceeds from sales of trading assets Purchase of trading assets Payments to Acquire Trading Securities Held-for-investment Restricted stock awards Segment Reporting [Abstract] Transfer of loans to other real estate owned Basic and diluted earnings per share (in dollars per share) Change in unrealized losses on securities available for sale for which a portion of an other-than-temporary impairment has been recognized in earnings,net of reclassification Amendment Flag Current Fiscal Year End Date Document Period End Date 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 Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank and Federal Home Loan Bank (FHLB) stock represents an equity interest in in a FHLB. They do not have a readily determinable fair values because ownership is restricted and it lacks a market (liquidity). Federal Home Loan Bank And Federal Reserve Bank Stock At Cost Federal Home Loan Bank and Federal Reserve Bank Stock, at cost Shareholders' equiity: [Abstract] Shareholders' equity: Document and Entity Information [Abstract] Other Than Temporary Loss On Investment Securities [Abstract] Other-than-temporary loss on investment securities: Total other-than-temporary impairment ('OTTI') losses. Total Other Than Temporary Impairment Oiit Losses Total impairment losses Portion of OTTI losses recognized in other comprehensive income (before taxes). Portion Of Otti Losses Recognized In Other Comprehensive Income Before Taxes Loss recognized in other comprehensive income Net OTTI losses recognized in earnings. Net Otti Losses Recognized In Earnings Net impairment loss recognized in earnings Expenditures for salaries, incentive and share based compensation Salaries And Incentive Compensation Salaries and wages Amount of payroll tax expense, compensation, postemployment and benefit-related expenses not elsewhere specified in the taxonomy (such as health plan, profit sharing, incentives, tuition reimbursement, other fringe benefits and perquisites) incurred in the period. Pension And Other Employee Benefit Expense Pension and other employee benefits The loss resulting from sales and other disposals of other real estate owned, increases and decreases in the valuation allowance for foreclosed real estate, and write-downs of other real estate owned after acquisition or physical possession. Losses On Sales Of Other Real Estate Losses on sales of other real estate owned Adjustments to prepaid FDIC assessments (Increase) decrease in prepaid FDIC assessment Decrease in prepaid FDIC assessment The noncash expense that represents the cost of restricted stock distributed to Directors as compensation. Restricted Stock Expense Directors Deferred Compensation Plan Expense related to restricted stock units for directors' deferred compensation plan The noncash expense that represents the cost of stock distributed to employees as compensation. Expense Related To Employee Stock Compensation Expense related to employee stock compensation The noncash expense that represents the cost of stock awards distributed to employees. Expense Related To Employee Stock Awards Expense related to employee restricted stock awards Cash Paid During Year For [Abstract] Cash paid during the year for: Value of treasury stock issued during the period for directors' deferred compensation. Distribution Of Shares Of Treasury Stock For Directors Deferred Compensation Value Distribution of shares of treasury stock for directors' deferred compensation Value of treasury stock issued during the period for employee restricted stock warrants. Distribution Share Of Treasury Stock For Employee Restricted Stock Warrants Distribution of shares of treasury stock granted for employee restricted stock awards Increase and decrease in value of stock units to be issued in the future. Restricted Stock Units For Directors Deferrred Compensation Plan Restricted stock units for directors' deferred compensation plan Value of treasury stock issued during the period for directors' compensation. Distribution Of Shares Of Treasury Stock For Directors Compensation Value Distribution of shares of treasury stock for directors' compensation Number of treasury shares issued during the period for directors' compensation. Distribution Of Shares Of Treasury Stock For Directors Compensation Shares Distribution of shares of treasury stock for directors' compensation (in shares) Number of treasury shares issued during the period for directors' deferred compensation. Distribution Of Shares Of Treasury Stock For Directors Deferred Compensation Shares Distribution of shares of treasury stock for directors' deferred compensation (in shares) Number of shares of treasury stock issued during the period for employee restricted stock awards. Distribution Of Treasury Stock For Employee Restricted Stock Awards Shares Distribution of shares of treasury stock granted for employee restricted stock awards (in shares) Basis of Presentation [Abstract] Fair Value [Abstract] Goodwill and Intangible Assets [Abstract] Commitments and Contingencies [Abstract] Securities [Abstract] Components of Quarterly and Year-to-Date Net Periodic Benefit Costs [Abstract] Stock Based Compensation [Abstract] Other Comprehensive Income [Abstract] Represents the financial gain of property arising from a sudden, unexpected event such as an accident. Casualty gains Casualty gains The entire disclosure describe adoption of new accounting pronouncements and standards. Adoption of New Accounting Standards [Text Block] Adoption of New Accounting Standards