Consolidated Statements of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Preferred Stock	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive (Loss)	Treasury Stock
Beginning balance at Dec. 31, 2014	$ 109,438	$ 16,334	$ 8,034	$ 74,342	$ 14,454	$ (2,642)	$ (1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	6,816				6,816
Other comprehensive loss	(291)					(291)
Cash dividends paid	(641)				(641)
Dividends on preferred stock	(575)				(575)
Stock based compensation	413			413
Common stock options exercised	(448)		79	(527)
Ending balance at Dec. 31, 2015	114,712	16,334	8,113	74,228	20,054	(2,933)	(1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	12,912				12,912
Other comprehensive loss	(1,344)					(1,344)
Cash dividends paid	(646)				(646)
Dividends on preferred stock	(1,128)				(1,128)
Stock based compensation	568			568
Common stock options exercised	32		22	10
Common stock issuance, net of issuance costs	20,519		1,913	18,606
Ending balance at Dec. 31, 2016	145,625	16,334	10,048	93,412	31,192	(4,277)	(1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	7,575				7,575
Other comprehensive loss	1,289					1,289
Cash dividends paid	(1,033)				(1,033)
Dividends on preferred stock	(498)				(498)
Stock based compensation	813			813
Common stock options exercised	(10)		4	(14)
Common stock issuance, net of issuance costs	4,931		444	4,487
Redemption of preferred stock	(8,500)	(8,500)
Ending balance at Dec. 31, 2017	$ 150,192	$ 7,834	$ 10,496	$ 98,698	$ 37,236	$ (2,988)	$ (1,084)