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Consolidated Balance Sheets (Parenthetical) (USD $)	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Loans, allowance for credit losses	$ 3,930,924	$ 3,399,516	$ 3,572,528
Common stock, par value	$ 1	$ 1	$ 1
Common stock, authorized	15,000,000	15,000,000	15,000,000
Common stock, issued	2,717,909	2,702,091	2,683,015
Common stock, outstanding	2,717,909	2,702,091	2,683,015

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Face amount or stated value of common stock per share; generally not indicative of the fair market value per share.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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The allowance for loan and lease losses represents the reserve to cover probable credit losses related to specifically identified loans and leases, as well as probable credit losses inherent in the remainder of the loan portfolio as of the balance sheet date. For banks, include currently required allocated transfer risk reserves. Include carryover of or adjustments to the allowance for loan losses in connection with business combinations determined to be appropriate.

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