Consolidated Statements of Stockholders' Equity (USD $) In Thousands, except Share data, unless otherwise specified	Preferred Stock	Common Stock	Retained Earnings	Accumulated Other Comprehensive Income	Total
Balances at Dec. 31, 2009	$ 5,000	$ 7,471	$ 17,791	$ 453	$ 30,715
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			2,320		2,320
Unrealized gains on securities, net of reclassification adjustment				(10)	(10)
Cash dividends ($.84 per common share)			(1,269)		(1,269)
Exercise of stock options		36			36
Exercise of stock options (in shares)		10,000
Stock option expense		10			10
Amortization of expense related to stock compensation plans		29			29
Cash dividends (preferred shares)			(363)		(363)
Balances at Dec. 31, 2010	5,000	7,546	18,479	443	31,468
Common stock outstanding (in shares) at Dec. 31, 2010		1,514,472			1,514,472
Preferred stock outstanding (in shares) at Dec. 31, 2010	5,000				5,000
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income			1,772		1,772
Unrealized gains on securities, net of reclassification adjustment				1,374	1,374
Cash dividends ($.84 per common share)			(1,272)		(1,272)
Stock option expense		6			6
Contribution to stock benefit plans		(55)			(55)
Amortization of expense related to stock compensation plans		26			26
Cash dividends (preferred shares)			(362)		(362)
Balances at Dec. 31, 2011	$ 5,000	$ 7,523	$ 18,617	$ 1,817	$ 32,957
Common stock outstanding (in shares) at Dec. 31, 2011		1,514,472			1,514,472
Preferred stock outstanding (in shares) at Dec. 31, 2011	5,000				5,000