CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (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	10,537,755	0	0	10,537,755
Other comprehensive income	0	0	0	0	(1,543,853)	(1,543,853)
Restricted stock awards	0	28,141	0	0	0	28,141
Distribution of shares of treasury stock for directors' deferred compensation plan	0	(7,364)	0	7,310	0	(54)
Distribution of shares of treasury stock granted for employee restricted stock awards	0	(226,360)	0	225,350	0	(1,010)
Forfeit of restricted stock awards	0	27,762	0	(27,762)	0	0
Restricted stock units for directors' deferred compensation plan	0	80,083	0	0	0	80,083
Cash dividends declared	0	0	(4,316,475)	0	0	(4,316,475)
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
Sale of treasury stock	0	(25,090)	0	242,610	0	217,520
Purchase of shares of treasury stock	0	0	0	(501,299)	0	(501,299)
Issuance related to FOFC Merger	10,100	23,723,538	0	0	0	23,733,638
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	11,022,240	0	0	11,022,240
Other comprehensive income	0	0	0	0	(1,365,551)	(1,365,551)
Restricted stock awards	0	79,510	0	0	0	79,510
Distribution of shares of treasury stock for directors' deferred compensation plan	0	(81,747)	0	82,588	0	841
Distribution of shares of treasury stock granted for employee restricted stock awards	0	(274,196)	0	274,196	0	0
Restricted stock units for directors' deferred compensation plan	0	86,717	0	0	0	86,717
Cash dividends declared	0	0	(4,572,958)	0	0	(4,572,958)
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
Sale of treasury stock	0	101	0	257,449	0	257,550
Purchase of shares of treasury stock	0	0	0	(635,800)	0	(635,800)
Balances at Dec. 31, 2012	53,101	45,357,073	107,078,182	(18,566,490)	(2,806,929)	131,114,937
Net income	0	0	8,731,056	0	0	8,731,056
Other comprehensive income	0	0	0	0	2,962,110	2,962,110
Restricted stock awards	0	130,920	0	0	0	130,920
Distribution of shares of treasury stock for directors' deferred compensation plan	0	(74,623)	0	85,578	0	10,955
Distribution of shares of treasury stock granted for employee restricted stock awards	0	(206,380)	0	206,380	0	0
Forfeit of restricted stock awards	0	60,685	0	(60,685)	0	0
Restricted stock units for directors' deferred compensation plan	0	98,815	0	0	0	98,815
Cash dividends declared	0	0	(4,778,149)	0	0	(4,778,149)
Distribution of shares of treasury stock for directors' compensation	0	13,896	0	203,050	0	216,946
Distribution of shares of treasury stock for employee compensation	0	7,278	0	104,876	0	112,154
Sale of treasury stock	0	10,518	0	60,362	0	70,880
Purchase of shares of treasury stock	0	0	0	(92,630)	0	(92,630)
Balances at Dec. 31, 2013	$ 53,101	$ 45,398,182	$ 111,031,089	$ (18,059,559)	$ 155,181	$ 138,577,994