Condensed Consolidated Statements of Stockholders Equity (Unaudited) (USD $)	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Total
Balance at Dec. 31, 2009	$ 1,141,767	$ 8,716,135	$ 4,495,103	$ 31,321,874	$ 45,674,879
Comprehensive income:
Net income				2,204,589	2,204,589
Change in net unrealized appreciation on available-for-sale securities			10,190,682		10,190,682
Change in unrealized pension benefits			240,633		240,633
Change in fair value of hedging instrument			2,358		2,358
Total comprehensive income					12,638,262
Cash dividends				(149,364)	(149,364)
Issuances of common stock, net	10,050	85,379		125,113	220,542
Balance at Sep. 30, 2010	1,151,817	8,801,514	14,928,776	33,502,212	58,384,319
Balance at Dec. 31, 2010	1,151,817	8,801,514	7,482,092	33,737,040	51,172,463
Comprehensive income:
Net income				48,421	48,421
Change in net unrealized appreciation on available-for-sale securities			7,908,368		7,908,368
Change in unrealized pension benefits			259,903		259,903
Total comprehensive income					8,216,692
Cash dividends				(207,327)	(207,327)
Issuances of common stock, net	920	30,708		(8,564)	23,064
Balance at Sep. 30, 2011	$ 1,152,737	$ 8,832,222	$ 15,650,363	$ 33,569,570	$ 59,204,892