Unaudited Condensed 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, 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 (loss)					3,151	3,151
Cash dividends declared-preferred				(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
Balance at Dec. 31, 2012	29,537	934	50,934	79,747	6,869	168,021
Balance (in Shares) at Dec. 31, 2012		7,470
Net income				10,374		10,374
Other comprehensive income (loss)					(9,397)	(9,397)
Cash dividends declared-preferred				(1,125)		(1,125)
Preferred stock discount accretion	336			(336)
Shares issued pursuant to employee stock purchase plan		1	98			99
Shares issued pursuant to employee stock purchase plan (in Shares)		7
Expense related to employee stock purchase plan			28			28
Balance at Sep. 30, 2013	$ 29,873	$ 935	$ 51,060	$ 88,660	$ (2,528)	$ 168,000
Balance (in Shares) at Sep. 30, 2013		7,477