Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Common Stock	Preferred Stock	Additional Paid In Capital	Retained Earnings	Accumulated Other Comprehensive Income (Loss)	Treasury Stock	Total
Balance at Dec. 31, 2013	$ 18,830	$ 72,942	$ 66,212	$ 92,549	$ (7,038)	$ (95,803)	$ 147,692
Increase (Decrease) in Stockholders' Equity
Net income				10,136			10,136
Other comprehensive gain, net of tax					(675)		(675)
Change in restricted stock	10		(10)
Recapture of restricted stock			(29)				(29)
Stock based compensation			295				295
Purchase of treasury stock						(46)	(46)
Redemption of preferred stock		(25,669)		1,348			(24,321)
Common stock offering	15,525		48,806				64,331
Preferred stock accretion and declared dividends		58		(3,336)			(3,278)
Balance at Dec. 31, 2014	34,365	47,331	115,332	100,697	(7,713)	(95,849)	194,163
Increase (Decrease) in Stockholders' Equity
Net income				15,385			15,385
Other comprehensive gain, net of tax					(4,946)		(4,946)
Change in restricted stock	62		(62)
Tax effect from vesting of restricted stock			35				35
Stock based compensation			613				613
Purchase of treasury stock						(117)	(117)
Redemption of preferred stock		$ (47,331)					(47,331)
Preferred stock accretion and declared dividends				(1,873)			(1,873)
Balance at Dec. 31, 2015	34,427		115,918	114,209	(12,659)	(95,966)	155,929
Increase (Decrease) in Stockholders' Equity
Net income				15,684			15,684
Other comprehensive gain, net of tax					3,897		3,897
Dividends declared and paid				(888)			(888)
Change in restricted stock	106		(106)
Tax effect from vesting of restricted stock			174				174
Stock options exercised	1		10				11
Stock based compensation			657				657
Purchase of treasury stock						(254)	(254)
Balance at Dec. 31, 2016	$ 34,534		$ 116,653	$ 129,005	$ (8,762)	$ (96,220)	$ 175,210