Consolidated Statements Of Changes In Stockholders' Equity (USD $)	Common Stock [Member]	Paid In Capital [Member]	Treasury Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss), Net Of Tax [Member]	Total
Balance at Dec. 31, 2010	$ 6,509,267	$ 2,032,516	$ (6,425,546)	$ 31,575,875	$ (43,094)	$ 33,649,018
Balance, treasury stock, shares at Dec. 31, 2010			737,119
Balance, shares outstanding at Dec. 31, 2010	16,536,657
Balance, shares issued at Dec. 31, 2010	17,273,776
Redemption of stock, shares	(110,848)		(110,848)
Redemption of stock			(1,022,429)			(1,022,429)
Other comprehensive income (loss):
Unrealized gains on securities, net of taxes	0	0	0	0	(37,187)	(37,187)
Net income	0	0	0	3,221,354	0	3,221,354
Balance at Sep. 30, 2011	6,509,267	2,032,516	(7,447,975)	34,797,229	(80,281)	35,810,756
Balance, treasury stock, shares at Sep. 30, 2011			847,967
Balance, shares issued at Sep. 30, 2011	17,273,776					17,273,776
Balance, shares outstanding at Sep. 30, 2011	16,425,809					16,425,809
Balance at Dec. 31, 2010	6,509,267	2,032,516	(6,425,546)	31,575,875	(43,094)	33,649,018
Balance, treasury stock, shares at Dec. 31, 2010			737,119
Balance, shares outstanding at Dec. 31, 2010	16,536,657
Balance, shares issued at Dec. 31, 2010	17,273,776
Redemption of stock, shares	(127,340)		(127,340)
Redemption of stock			(1,181,428)			(1,181,428)
Issuance of treasury stock for compensation, shares	0
Issuance of treasury stock for compensation	0			0	0	0
Other comprehensive income (loss):
Unrealized gains on securities, net of taxes	0	0	0	0	34,146	34,146
Net income	0	0	0	2,855,421	0	2,855,421
Balance at Dec. 31, 2011	6,509,267	2,032,516	(7,606,974)	34,431,296	(8,948)	35,357,157
Balance, treasury stock, shares at Dec. 31, 2011			864,459
Balance, shares issued at Dec. 31, 2011	17,273,776					17,273,776
Balance, shares outstanding at Dec. 31, 2011	16,409,317					16,409,317
Redemption of stock, shares	(50,300)		(50,300)
Redemption of stock			(470,265)			(470,265)
Other comprehensive income (loss):
Unrealized gains on securities, net of taxes	0	0	0	0	81,072	81,072
Net income	0	0	0	4,546,296	0	4,546,296
Balance at Sep. 30, 2012	$ 6,509,267	$ 2,032,516	$ (8,077,239)	$ 37,831,275	$ 72,124	$ 38,367,943
Balance, treasury stock, shares at Sep. 30, 2012			914,759
Balance, shares issued at Sep. 30, 2012	17,273,776					17,273,776
Balance, shares outstanding at Sep. 30, 2012	16,359,017					16,359,017