Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $)	Sep. 30, 2011	Dec. 31, 2010
Assets
Securities held-to-maturity, fair value	$ 2,272,477	$ 1,956,720
Loans, net of allowance for loan losses	9,752,238	13,227,791
Foreclosed assets, valuation allowance	$ 2,318,094	$ 2,123,930
Stockholders' equity:
Common stock, par value (in dollars per share)	$ 5	$ 5
Common stock, shares authorized (in shares)	10,000,000	10,000,000
Common stock, shares issued (in shares)	4,959,009	4,936,989
Common stock, shares outstanding (in shares)	4,959,009	4,936,989