CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY AND COMPREHENSIVE INCOME (Unaudited) (USD $)	Common Stock [Member]	Additional paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2010	$ 43,001	$ 22,022,122	$ 94,407,620	$ (19,166,655)	$ 102,475	$ 97,408,563
Net income	0	0	4,285,119	0	0	4,285,119
Total, current period changes	0	0	0	0	2,956,242	2,956,242
Restricted stock awards	0	12,660	0	0	0	12,660
Restricted stock units for directors' deferred compensation plan	0	42,924	0	0	0	42,924
Cash dividends declared	0	0	(2,033,380)	0	0	(2,033,380)
Distribution of shares of treasury stock for directors' compensation	0	(33,831)	0	265,262	0	231,431
Distribution of shares of treasury stock for employee compensation	0	(6,140)	0	61,140	0	55,000
Distribution of shares of treasury stock for director's deferred compensation	0	(7,364)	0	7,310		(54)
Distribution of shares of treasury stock for employee restricted stock warrants	0	(35,260)	0	86,550	0	51,290
Purchase of shares of treasury stock	0	0	0	(183,542)	0	(183,542)
Issuance of shares related to FOFC Merger	10,100	23,723,538	0	0	0	23,733,638
Balances at Jun. 30, 2011	53,101	45,718,649	96,659,359	(18,929,935)	3,058,717	126,559,891
Balances at Dec. 31, 2011	53,101	45,582,861	100,628,900	(18,894,044)	(1,441,378)	125,929,440
Net income	0	0	6,058,573	0	0	6,058,573
Total, current period changes	0	0	0	0	585,352	585,352
Restricted stock awards	0	44,743	0	0	0	44,743
Restricted stock units for directors' deferred compensation plan	0	42,982	0	0	0	42,982
Cash dividends declared	0	0	(2,286,005)	0	0	(2,286,005)
Distribution of shares of treasury stock for directors' compensation	0	(28,121)	0	261,069	0	232,948
Distribution of shares of treasury stock for employee compensation	0	(8,052)	0	88,052	0	80,000
Distribution of shares of treasury stock for director's deferred compensation	0	(81,747)	0	82,588		841
Distribution of shares of treasury stock for employee restricted stock warrants	0	(27,514)	0	27,514	0	0
Purchase of shares of treasury stock	0	0	0	(480,073)	0	(480,073)
Balances at Jun. 30, 2012	$ 53,101	$ 45,525,152	$ 104,401,468	$ (18,914,894)	$ (856,026)	$ 130,208,801