CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY (USD $) In Thousands, unless otherwise specified	Preferred Stock [Member]	Common Stock [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Total
Balances at Dec. 31, 2009	$ 21,705	$ 71,412	$ 33,349	$ 2,090	$ 128,556
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	9,172	0	9,172
Other comprehensive income (loss)	0	0	0	(3,525)	(3,525)
Cash dividends paid	0	0	(1,746)	0	(1,746)
Dividend declared or paid on preferred stock	0	0	(1,113)	0	(1,113)
Preferred stock accretion	136	0	(136)	0	0
Stock based compensation expense	0	53	0	0	53
Balances at Dec. 31, 2010	21,841	71,465	39,526	(1,435)	131,397
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	7,168	0	7,168
Other comprehensive income (loss)	0	0	0	6,448	6,448
Dividend declared or paid on preferred stock	0	0	(1,112)	0	(1,112)
Preferred stock accretion	108	0	(108)	0	0
Stock based compensation expense	0	106	0	0	106
Balances at Dec. 31, 2011	21,949	71,571	45,474	5,013	144,007
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	0	0	10,323	0	10,323
Other comprehensive income (loss)	0	0	0	1,563	1,563
Cash dividends paid	0	0	(1,749)	0	(1,749)
Dividend declared or paid on preferred stock	0	0	(984)	0	(984)
Redemption of preferred stock	(10,142)	905	0	0	(9,237)
Preferred stock accretion	89	0	(89)	0	0
Stock options exercised	0	192	0	0	192
Stock based compensation expense	0	181	0	0	181
Balances at Dec. 31, 2012	$ 11,896	$ 72,849	$ 52,975	$ 6,576	$ 144,296