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, 2016	$ 145,625	$ 16,334	$ 10,048	$ 93,412	$ 31,192	$ (4,277)	$ (1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	6,152				6,152
Other comprehensive loss	1,420					1,420
Cash dividends paid	(773)				(773)
Dividends on preferred stock	(374)				(374)
Common stock issuance, net of issuance costs	4,931		444	4,487
Stock based compensation	506			506
Common stock options exercised	(10)		4	(14)
Redemption of preferred stock	(8,500)	(8,500)
Ending balance at Sep. 30, 2017	148,977	7,834	10,496	98,391	36,197	(2,857)	(1,084)
Beginning balance at Jun. 30, 2017						(2,890)
Increase (Decrease) in Stockholders' Equity
Net Income	2,318
Other comprehensive loss	33					33
Ending balance at Sep. 30, 2017	148,977	7,834	10,496	98,391	36,197	(2,857)	(1,084)
Increase (Decrease) in Stockholders' Equity
Mark to market on equity positions	0				98	(98)
Beginning balance at Dec. 31, 2017	150,192	7,834	10,496	98,698	37,236	(2,988)	(1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	9,004				9,004
Other comprehensive loss	(4,972)					(4,972)
Cash dividends paid	(873)				(873)
Dividends on preferred stock	(366)				(366)
Stock based compensation	920			920
Common stock options exercised	2,006		153	1,853
Restricted stock units vested	0		1	(1)
Stranded AOCI	0				646	(646)
Common stock issued from subordinated debt conversion, net of costs	14,965		938	14,027
Ending balance at Sep. 30, 2018	170,876	7,834	11,588	115,497	45,745	(8,704)	(1,084)
Beginning balance at Jun. 30, 2018						(7,301)
Increase (Decrease) in Stockholders' Equity
Net Income	3,579
Other comprehensive loss	(1,403)					(1,403)
Ending balance at Sep. 30, 2018	$ 170,876	$ 7,834	$ 11,588	$ 115,497	$ 45,745	$ (8,704)	$ (1,084)