Consolidated Statements of Changes in Shareholders’ Equity (USD $) In Thousands, except Share data	Preferred Stock [Member]	Common Stock [Member]	Capital Surplus [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balance at January 1, 2009 at Dec. 31, 2008		$ 920	$ 48,222	$ 116,419	$ 2,735	$ 168,296
Balance at January 1, 2009 (in Shares) at Dec. 31, 2008		7,357
Issuance of 30,000 shares of Series A preferred stock	28,008					28,008
Issuance of common stock warrant			1,952			1,952
Net income				(44,742)		(44,742)
Other comprehensive income (loss)					1,129	1,129
Cash dividends declared-common, $.85 per share				(6,258)		(6,258)
Preferred stock dividends				(1,462)		(1,462)
Preferred stock discount accretion	340			(340)
Shares issued pursuant to employee stock purchase plan		2	247			249
Shares issued pursuant to employee stock purchase plan (in Shares)		22
Expense related to employee stock purchase plan			55			55
Balance at Dec. 31, 2009	28,348	922	50,476	63,617	3,864	147,227
Balance (in Shares) at Dec. 31, 2009		7,379
Net income				6,932		6,932
Other comprehensive income (loss)					(2,966)	(2,966)
Preferred stock dividends				(1,500)		(1,500)
Preferred stock discount accretion	371			(371)
Shares issued pursuant to employee stock purchase plan		4	153			157
Shares issued pursuant to employee stock purchase plan (in Shares)		33
Expense related to employee stock purchase plan			46			46
Balance at Dec. 31, 2010	28,719	926	50,675	68,678	898	149,896
Balance (in Shares) at Dec. 31, 2010		7,412
Net income				2,738		2,738
Other comprehensive income (loss)					5,745	5,745
Preferred stock dividends				(1,500)		(1,500)
Preferred stock discount accretion	396			(396)
Shares issued pursuant to employee stock purchase plan		5	131			136
Shares issued pursuant to employee stock purchase plan (in Shares)		34
Expense related to employee stock purchase plan			42			42
Balance at Dec. 31, 2011	$ 29,115	$ 931	$ 50,848	$ 69,520	$ 6,643	$ 157,057
Balance (in Shares) at Dec. 31, 2011		7,446