Consolidated Statement of Changes in Stockholders' Equity (USD $) In Thousands	Total	Preferred Stock [Member]	Common Stock [Member]	Common Stock Warrant [Member]	Additional Paid-in Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Dec. 31, 2013	$ 272,147	$ 0	$ 127	$ 878	$ 136,403	$ 545	$ 182,290	$ (48,096)
Net income	5,179						5,179
Other comprehensive income	1,120					1,120
Stock option expense	20				20
Shares issued under stock option plan	76				(11)		(19)	106
Restricted share activity under stock incentive plans	(177)				(270)			93
shares repurchased	(2,039)							(2,039)
Common stock dividends declared	(1,449)						(1,449)
Balance at Mar. 31, 2014	274,877	0	127	878	136,142	1,665	186,001	(49,936)
Balance at Dec. 31, 2014	279,505	0	127	878	136,266	4,114	200,600	(62,480)
Net income	6,601						6,601
Other comprehensive income	975					975
Stock option expense	21				21
Warrant repurchase	(11,979)			(878)	(11,101)
Shares issued under stock option plan	723				177		(287)	833
Restricted share activity under stock incentive plans	131				(100)			231
542 shares issued direct purchases	18				8			10
shares repurchased	(1,264)							(1,264)
Common stock dividends declared	(1,614)						(1,614)
Balance at Mar. 31, 2015	$ 273,117	$ 0	$ 127	$ 0	$ 125,271	$ 5,089	$ 205,300	$ (62,670)