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 Registrant Name Entity Central Index Key Entity Common Stock, Shares Outstanding Document Fiscal Year Focus Document Fiscal Period Focus Document Type Less than 12 months, Unrealized losses Unrealized losses, total Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses 12 months or more, Unrealized losses Unrealized gains Basis of Presentation [Abstract] New accounting standards [Abstract] Accounts, Notes, Loans and Financing Receivable [Line Items] Premium amortization and discount accretion, net Accretion (Amortization) of Discounts and Premiums, Investments Accumulated other comprehensive income Additional paid-in capital Adjustments to reconcile net income to net cash provided by operating activities Allowance for loan losses by type of loan Assets Assets Assets [Abstract] Total assets Assets Total assets measured on a non-recurring basis Assets, Fair Value Disclosure, Nonrecurring Less than 12 months, Fair value Investment securities [Abstract] Investment securities available for sale Available-for-sale Securities, Fair Value Disclosure After one year through five years Available-for-sale Securities, Debt Maturities, Year Two Through Five, Fair Value Available for sale Within one year Available-for-sale Securities, Debt Maturities, Next Twelve Months, Fair Value Available for sale, Amortized cost [Abstract] Investment securities available for sale Fair value After ten years Available for sale, Fair value Available-for-sale Securities, Debt Securities 12 months or more, Fair value Available for sale Within one year Available for sale - Fair value [Abstract] Fair value, total Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value Unrealized losses Available for sale, Amortized cost Available-for-sale Securities, Debt Maturities, Amortized Cost Basis After ten years Available-for-sale Securities, Debt Maturities, after Ten Years, Fair Value Available for sale After one year through five years Amortized cost Bank owned life insurance Bank Owned Life Insurance Cash surrender value of bank owned life insurance Bank Owned Life Insurance Income Basis of Presentation Business Description and Basis of Presentation [Text Block] Computer software Cash and cash equivalents at beginning of period Cash and cash equivalents at end of period Total cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Composition of cash and cash equivalents Cash and Cash Equivalents, at Carrying Value [Abstract] Cash and due from banks Net increase in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Commercial properties [Member] Real estate mortgages Commercial [Member] Commercial [Member] Loan commitments Commitments and Contingencies Disclosure [Text Block] Loan commitments [Abstract] Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Common stock, par value $1 per share authorized 10,000,000 shares, issued and outstanding 2,981,804 shares at September 30, 2012, and 2,996,323 shares at December 31, 2011 Common stock, shares issued (in shares) Common stock, par value (in dollars per share) Common stock, shares authorized (in shares) Comprehensive income Consumer [Member] Deferred income taxes Deferred Tax Liabilities, Gross Total deposits Deposits Deposits Deposits [Abstract] Depreciation and amortization Depreciation, Depletion and Amortization New accounting standards Description of New Accounting Pronouncements Not yet Adopted [Text Block] Earnings per common share - basic and diluted (in dollars per share) Furniture and equipment Equity [Member] Measurement Frequency [Axis] Fair Value by Asset Class [Domain] Fair Value, Hierarchy [Axis] Recurring [Member] Fair Value, Measurement Frequency [Domain] Fair Value Measurements, Recurring and Nonrecurring [Table] Asset Class [Axis] Outstanding loan commitments and lines of credit Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets Measured at Fair Value [Abstract] Assets Measured at Fair Value on a Recurring Basis Non-recurring [Member] Available for sale investment securities measured at fair value on a recurring basis Impaired loans and other real estate owned measured at fair value on a non-recurring basis Securities measured at fair value on a recurring basis [Abstract] Level 1 Inputs [Member] Level 2 Inputs [Member] Federal funds sold Federal funds sold Federal Funds Sold Deposit insurance premiums ATM and debit card Fees and Commissions, Debit Cards Service charges on deposit accounts Loan Commitments [Axis] Pledged securities, Fair value Financing Receivable, Recorded Investment, Past Due [Line Items] Within 12 months of restructuring - Defaults on restructures Age Analysis of Past Due Loans [Abstract] Financing Receivable Allowance [Domain] At the time of restructuring - Balance after restructuring At the time of restructuring - Balance prior to restructuring Financing Receivable, Modifications [Line Items] 90 Days Past Due or Greater and Accruing Loans 90 days or more past due and still accruing Within 12 months of restructuring - Number of defaults Financing Receivable, Allowance for Credit Losses [Line Items] Balance in allowance Financing Receivable, Recorded Investment [Line Items] Allowance for loan losses by type of loan [Roll Forward] 30 to 59 Days Past Due Loans and Allowance for Loan Losses Financing Receivables [Text Block] Credit Quality Indicator [Axis] Total Current balance Portfolio Segment [Axis] Loans charged off Financing Receivable, Allowance for Credit Losses, Write-downs Class of Financing Receivable [Domain] Greater than 90 Days Past Due 60-89 Days Past Due Recoveries Financing Receivable, Impaired [Line Items] At the time of restructuring - Number of contracts Related loan balance Financing Receivable, by Credit Quality Indicator [Domain] Current Beginning balance Ending balance Balance at end of period Financing Receivable, Allowance for Credit Losses Summary of loans by credit quality indicator Class of Financing Receivable [Axis] Total Past Due Financing Receivable, Recorded Investment, Past Due Related loan balance Financing Receivable, Collectively Evaluated for Impairment Financing Receivable, Troubled Debt Restructuring [Axis] Financing Receivable, Troubled Debt Restructuring [Domain] Balance in allowance Financing Receivable, Allowance for Credit Losses, Collectively Evaluated for Impairment Loss (gain) on disposition of premises, equipment and software Gain (Loss) on Sale of Property Plant Equipment Loss (gain) on disposition of investment securities Gain (Loss) on Sale of Investments Loss (gain) on sale of other real estate and repossessed assets Gains (Losses) on Sales of Other Real Estate Gain (loss) on disposition of assets Held to maturity, Fair value [Abstract] After one year through five years Held-to-maturity Securities, Debt Maturities, after One Through Five Years, Net Carrying Amount Investment securities held to maturity (approximate fair value of $60,141,234 and $60,866,303) Amortized cost Held to maturity, Amortized cost [Abstract] Held to maturity Within one year After one year through five years Held-to-maturity Securities, Debt Maturities, Year Two Through Five, Fair Value Unrealized losses Held-to-maturity Securities, Unrecognized Holding Loss Held to maturity, Amortized cost Held-to-maturity Securities, Debt Maturities, Net Carrying Amount Held to maturity Within one year Held-to-maturity Securities, Debt Maturities, within One Year, Net Carrying Amount Held to maturity, Fair value Held-to-maturity Securities, Debt Maturities, Fair Value Held to maturity Investment securities held to maturity, approximate fair value Fair value Unrealized gains Held-to-maturity Securities, Unrecognized Holding Gain Year-To-Date Interest Income Recognized During Impairment Impaired loans and average balances [Abstract] Impaired Financing Receivable, Unpaid Principal Balance [Abstract] Impaired loans and their average balances Unpaid Principal Balance Related Allowance Average Recorded Investment Consolidated Statements of Comprehensive Income [Abstract] Income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Income taxes Income taxes paid Income Taxes Paid Accrued interest receivable Increase (Decrease) in Accrued Interest Receivable, Net Other deposits Other assets Increase (Decrease) in Other Operating Assets Increase (decrease) in Accrued interest payable Increase (Decrease) in Interest Payable, Net Other liabilities Increase (Decrease) in Other Operating Liabilities Decrease (increase) in Time deposits Data processing Accrued interest payable Interest Payable Interest and dividend revenue Loans, including fees Total interest expense Interest Expense Total interest and dividend revenue Interest and Dividend Income, Operating Interest expense Federal funds sold Borrowings Deposits Interest Expense, Deposits Interest-bearing deposits State and municipal securities Net interest income Interest Income (Expense), Net Net interest income after provision for loan losses Interest Income (Expense), after Provision for Loan Loss Accrued interest receivable Interest Receivable U. S. Treasury and government agency securities Interest-bearing Interest paid Interest Paid Interest-bearing deposits Interest-bearing Deposits in Banks and Other Financial Institutions Equity securities Amortized cost and estimated fair value of debt securities, by contractual maturity Investment Securities [Abstract] Standby letters of credit Liabilities Liabilities [Abstract] Total Liabilities Liabilities Liabilities and Stockholders' Equity Total liabilities and stockholders' equity Liabilities and Equity Increase in cash surrender value of bank owned life insurance Allowance for loan losses Allowance for loan losses Interest not accrued on nonaccruing loans Total loans Total Loans Gross loans outstanding at the end of the period Major classifications of loans [Abstract] Loans, less allowance for loan losses of $682,416 and $672,261 Loans, net Major Types of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Domain] Investment Securities Marketable Securities [Table Text Block] Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Net cash from investing activities Net Cash Provided by (Used in) Investing Activities Net cash from financing activities Net Cash Provided by (Used in) Financing Activities Cash flows from investing activities Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net income Net income Net cash from operating activities Net Cash Provided by (Used in) Operating Activities Noninterest-bearing Miscellaneous Noninterest revenue Noninterest expenses Noninterest Expense [Abstract] Total noninterest revenue Noninterest Income Total noninterest expenses Noninterest Expense Occupancy Other assets Other Assets Unrealized gains (losses) on available for sale investment securities arising during the period, net of taxes Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax Loss on other than temporary impairment of investment value Loss on other than temporary impairment of investment value Other than temporary impairment expense on equity holdings Other comprehensive income, net of tax Unrealized losses arising during the period, taxes Employee benefits Other operating Other liabilities Other Liabilities Standby letters of credit [Abstract] Other real estate owned Age analysis of past due loans Pass [Member] Loans made, net of principal reductions Payments for (Proceeds from) Loans and Leases Common shares repurchased Payments for Repurchase of Common Stock Purchases of premises, equipment, and computer software Payments to Acquire Property, Plant, and Equipment Purchase of investments available for sale Payments to Acquire Available-for-sale Securities Purchase of bank owned life insurance Payments to Acquire Life Insurance Policies Purchase of investments held to maturity Payments to Acquire Held-to-maturity Securities Cash paid to suppliers and employees Payments to Suppliers and Employees Pledged securities, Amortized cost Prepaid Expenses Certificates of deposit purchased, net of maturities Securities sold under agreements to repurchase Interest and dividends received Proceeds from maturities of investments held to maturity Proceeds from maturities of investments available for sale Fees and commissions received Proceeds from sale of real property and equipment Proceeds from sale of other real estate and repossessed assets, net Premises and equipment Provision for loan losses Provision charged to operations Loans and Allowance for Loan Losses [Abstract] Real estate mortgages Residential [Member] Residential 1 to 4 family [Member] Residential Portfolio Segment [Member] Retained earnings Substandard [Member] Loan Commitments [Line Items] Salaries Schedule of Financing Receivable, Allowance for Credit Losses [Table] Composition of nonperforming assets Schedule of Impaired Financing Receivable [Table] Schedule of Financing Receivable, Troubled Debt Restructurings [Table] Schedule of Financing Receivables Past Due [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Unrealized losses and fair value of securities in unrealized loss position Weighted average number of common shares outstanding Loan Commitments [Table] Schedule of Fair Value, Off-balance Sheet Risks [Table] Outstanding loan commitments and letters of credit Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Major classifications of loans Securities sold under agreements to repurchase Securities Sold under Agreements to Repurchase Special Mention [Member] Standby letters of credit [Member] Consolidated Statements of Cash Flows [Abstract] Consolidated Balance Sheets [Abstract] Stockholders' equity Total stockholders' equity Stockholders' Equity Attributable to Parent Supplemental cash flows information: Non-cash transfers from loans to other real estate owned Loan Commitments Arrangement [Domain] Troubled debt restructurings Unallocated [Member] U.S. Government agency [Member] State and municipal [Member] U.S. Treasury [Member] Weighted average number of common shares outstanding [Abstract] Weighted average number of common shares outstanding (in shares) Document and Entity Information [Abstract] The total of common stock, additional paid-in-capital, and retained earnings. Otherwise known as total stockholders' equity items before accumulated other comprehensive income. Total Tier 1 Capital Total tier 1 capital ATM and debit card expense. Atm And Debit Card Expense ATM and debit card Net increase (decrease) in [Abstract] Net increase (decrease) in Reconciliation of net income to net cash provided by operating activities [Abstract] Reconciliation of net income to net cash provided by operating activities For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time except for time deposits. Interest bearing deposits, except for time deposits Interest-bearing deposits, except for time deposits Tabular disclosure of reconciliation of investment securities from cost to fair value. Schedule of Investment Securities Reconciliation [Table Text Block] Investment securities summary Tabular disclosure of amount of debt and equity financial instruments classified as either held-to-maturity or available-for-sale. Available for sale securities and held to maturity securities [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Available for sale securities and held to maturity securities [Line Items] Securities in Continuous Unrealized Loss Position Aggregate Losses [Abstract] Unrealized losses and fair value of securities in unrealized loss position [Abstract] The amount by which the fair value of an investment equity securities (failed securities) is less than the amortized cost basis or carrying amount of that investment at the balance sheet date and the decline in fair value is deemed to be other than temporary. Other than temporary impairment related to failed investment Other than temporary impairment related to failed investment Available for Sale and Held to Maturity Securities with Contratual Maturities [Abstract] Amortized cost and estimated fair value of debt securities, by contractual maturity and pledged securities [Abstract] Tabular disclosure shows the relationship of net charged-off loans and the balance in the allowance to gross loans and average loans. Schedule of relationship of net charge off loans and allowance of gross loans and average loans [Table Text Block] Relationship of net loans charged off (recovered) and allowance to gross loans and average loans Loans given for construction, land development and land secured by real estate mortgages. Real estate mortgages construction, land development, and land [Member] Construction, land development, and land [Member] Real estate mortgages Construction and Land [Member] Loans given for residential purpose that has a first (highest) lien on such property in the event of default by the borrower. Residential 1 to 4 Family First Lien [Member] Real estate mortgages residential 1 to 4 family, 1st liens [Member] Real estate residential 1 to 4 family, 1st lien [Member] Loan given for residential purpose that is lower or subordinate to other loans on such property in the event of default by the borrower. Residential 1 to 4 Family Subordinate Liens [Member] Real estate mortgages residential 1 to 4 family, subordinate liens [Member] Residential 1 to 4 family, subordinate liens Schedule detailing nonperforming financing receivables by class of financing receivable. Schedule Of Financing Receivable Recorded Investment Nonperforming Status [Table] Schedule of Financing Receivable, Recorded Investment, Nonperforming Indicator [Table] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Financing Receivable Nonperforming Indicator [Line Items] Financing Receivable, Nonperforming Indicator [Line Items] Composition of Nonperforming Assets [Abstract] Composition of nonperforming assets [Abstract] This line item represents non-accruing loans that are not past due (i.e. current). Total Nonaccruing Loans Current Total non-accruing loans current Recorded investment in financing receivables that are 30 days or more past due. Financing Receivable Recorded Investment Nonaccrual Status Past Due Total non-accruing loans 30 days or more past due Recorded investment in financing receivables that are on nonaccrual status as of the balance sheet date. Financing Receivable Recorded Investment 30 Days Or MOre Past Due And Nonaccruing Status Total nonaccruing loans Represents the total of nonperforming loans as of the balance sheet date. Nonperforming Loans Total nonperforming loans Nonperforming assets are comprised of nonperforming loans combined with real estate acquired in foreclosure and held for sale. Nonperforming assets Total nonperforming assets Financing Receivable Individually Evaluated For Impairment [Abstract] Individually evaluated for impairment: [Abstract] Financing Receivable Collectively Evaluated For Impairment [Abstract] Collectively evaluated for impairment: [Abstract] Net charged off loans and allowance to gross loans and average loans relationship [Abstract] Net charged-off loans and the balance in the allowance to gross loans and average loans [Abstract] Amount of net write-offs of financing receivables (gross charge-offs less recoveries) charged against the allowance net of recoveries. Financing Receivable Allowance of Credit Losses Charged Offs Net of Recoveries Net loans charged off (recovered) Allowance for loan losses to gross loans outstanding at the end of period. Allowance for loan losses to gross loans outstanding Allowance for loan losses to gross loans outstanding at the end of the period (in hundredths) Average gross loans outstanding during period including but not limited to commercial and consumer loans. Average gross loans outstanding Average gross loans outstanding during the period Annualized net charge-offs as a percentage of average gross loans outstanding during the period. Annualized net charge offs as a percentage of average gross loans Annualized net charge-offs as a percentage of average gross loans outstanding during the period (in hundredths) Financing receivables that are less than 90 days past due and considered as nonperforming. Doubtful Less Than 90 Days Past Due [Member] Doubtful Less than 90 days past due [Member] Financing receivables that are equal to or greater than 90 days past due and considered as nonperforming. Doubtful 90 Days Or More Past Due [Member] 90 days or more past due and/or non-accruing [Member] Loans by credit quality indicator [Abstract] Troubled debt restructuring information [Abstract] This line item represents write downs after the original restructuring. Financing Receivables Impaired Troubled Debt Restructuring Write Down Subsequent To Restructuring Within 12 months of restructuring - Other principal reductions Troubled Debt Restructuring Outstanding Balance Information [Abstract] Number of financing receivables that is outstanding after troubled debt restructurings. Financing Receivables Modification Outstanding Number of Contracts Total Number of contracts Number of financing receivables outstanding and paying as agreed under modified terms after troubled debt restructurings. Financing Receivable Modifications Recorded Investment Current Number Of Contracts Paying as agreed under modified terms - Number of contracts Financing receivable that has been modified and is current under modified terms. Financing Receivable Modifications Recorded Investment Current Paying as agreed under modified terms- Current Balance Number of financing receivables outstanding and past due 30 days or more after troubled debt restructurings. Financing Receivable Modifications Recorded Investment Past Due 30 Days Or More Number Of Contracts Past due 30 days or more or non-accruing - Number of contracts Financing receivable that has been modified and past due 30 days or more or non-accruing. Financing Receivable Modifications Recorded Investment30 Days Past Due And Still Accruing Past due 30 days or more or non-accruing - Current Balance Loan commitments and lines of credit lend to customer for construction and land development purposes. Loan commitments and lines of credit construction and land development [Member] Loan commitments and lines of credit - Construction and land development [Member] Loan commitment and line of credit purpose of which is not specifically mentioned. Loan commitments and lines of credit Other [Member] Loan commitments and lines of credit - Other [Member] Loan commitments are agreements to lend to customers as long as there is no violation of any conditions of the contracts. Loan commitments and lines of credit [Member] Outstanding loan commitments and letters of credit [Abstract] Outstanding loan commitments and lines of credit [Abstract] Refers to Impaired loans Impaired loans [Member] Refers to Other real estate owned Other real estate owned [Member] Fair Value Assets and Liabilities Measured on Nonrecurring Basis [Abstract] Impaired loans and other real estate owned [Abstract] This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of impaired loans. Impaired Loans Fair Value Disclosure This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. This element represents the fair value of foreclosed assets. Foreclosed Assets Fair Value Disclosure Other real estate owned