Consolidated Balance Sheets (unaudited) (Parenthetical) (USD $)	Mar. 31, 2013	Dec. 31, 2012
Assets
Securities held-to-maturity, fair value	$ 573,271	$ 573,500
Allowance for loan losses	7,259,337	7,324,310
Foreclosed assets, valuation allowance	$ 1,755,615	$ 1,870,285
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	4,959,009
Common stock, shares outstanding (in shares)	4,959,009	4,959,009