Unaudited Consolidated Statements of Changes in Shareholders’ Equity (USD $) In Thousands	Preferred Stock [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
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				1,486		1,486
Other comprehensive income					5,947	5,947
Preferred stock dividends				(1,125)		(1,125)
Preferred stock discount accretion	294			(294)
Shares issued pursuant to employee stock purchase plan		4	99			103
Shares issued pursuant to employee stock purchase plan (in Shares)		25
Expense related to employee stock purchase plan			50			50
Balance at Sep. 30, 2011	29,013	930	50,824	68,745	6,845	156,357
Balance (in Shares) at Sep. 30, 2011		7,437
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
Net income				9,547		9,547
Other comprehensive income					3,151	3,151
Preferred stock dividends				(1,125)		(1,125)
Preferred stock discount accretion	314			(314)
Repurchase of common stock warrant			(75)			(75)
Shares issued pursuant to employee stock purchase plan		2	90			92
Shares issued pursuant to employee stock purchase plan (in Shares)		20
Expense related to employee stock purchase plan			31			31
Balance at Sep. 30, 2012	$ 29,429	$ 933	$ 50,894	$ 77,628	$ 9,794	$ 168,678
Balance (in Shares) at Sep. 30, 2012		7,466