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, 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 income (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
Stranded AOCI	0				646	(646)
Restricted stock units vested	0		1	(1)
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	165,795	7,834	11,389	112,321	42,636	(7,301)	(1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	3,579				3,579
Other comprehensive income (loss)	(1,403)					(1,403)
Cash dividends paid	(347)				(347)
Dividends on preferred stock	(123)				(123)
Stock based compensation	394			394
Common stock options exercised	709		56	653
Restricted stock units vested	0		1	(1)
Common stock issued from subordinated debt conversion, net of costs	2,272		142	2,130
Ending balance at Sep. 30, 2018	170,876	7,834	11,588	115,497	45,745	(8,704)	(1,084)
Beginning balance at Dec. 31, 2018	176,773	7,834	11,658	116,897	48,274	(6,806)	(1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	22,896				22,896
Other comprehensive income (loss)	4,664					4,664
Cash dividends paid	(1,457)				(1,457)
Dividends on preferred stock	(364)				(364)
Stock based compensation	1,319			1,319
Common stock options exercised	876		80	796
Restricted stock units vested	0		10	(10)
Common stock issued from subordinated debt conversion, net of costs	1,000		62	938
Common stock issued related to Chartwell acquisition	1,033		55	978
Preferred stock redemption	(500)	(500)
Ending balance at Sep. 30, 2019	206,240	7,334	11,865	120,918	69,349	(2,142)	(1,084)
Beginning balance at Jun. 30, 2019	200,676	7,834	11,764	118,948	65,728	(2,514)	(1,084)
Increase (Decrease) in Stockholders' Equity
Net Income	4,327				4,327
Other comprehensive income (loss)	372					372
Cash dividends paid	(585)				(585)
Dividends on preferred stock	(121)				(121)
Stock based compensation	493			493
Common stock options exercised	545		46	499
Restricted stock units vested	0
Common stock issued from subordinated debt conversion, net of costs	0
Common stock issued related to Chartwell acquisition	1,033		55	978
Preferred stock redemption	(500)	(500)
Ending balance at Sep. 30, 2019	$ 206,240	$ 7,334	$ 11,865	$ 120,918	$ 69,349	$ (2,142)	$ (1,084)