Consolidated Balance Sheets (Parentheticals) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Held to maturity securities, fair value (in Dollars)	$ 339,885,266	$ 363,252,684
Allowance for loan losses (in Dollars)	$ 11,566,199	$ 11,012,088
Preferred stock par value (in Dollars per share)	$ 1	$ 1
Preferred stock, shares authorized	200,000	200,000
Preferred stock, shares issued	0	0
Common stock, par value (in Dollars per share)	$ 1	$ 1
Common stock, shares authorized	15,000,000	15,000,000
Common stock, shares issued	8,904,915	8,904,915
Common stock, shares outstanding	8,904,915	8,904,915