Consolidated Statement of Changes in Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated other comprehensive income/(loss), net
Balance, beginning, shares, outstanding at Dec. 31, 2018		11,708,218
Balance, beginning at Dec. 31, 2018	$ 255,297	$ 117	$ 91,281	$ 165,183	$ (1,284)
Increase (Decrease) in Stockholders' Equity
Net income	8,696			8,696
Other comprehensive income (loss), net	3,134				3,134
Common stock dividend declared	(1,875)			(1,875)
Common stock issued under dividend reinvestment plan, shares		9,341
Common stock issued under dividend reinvestment plan	298	$ 0	298
Common stock issued, shares, other		264
Common stock issued, other	8	$ 0	8
Stock-based compensation, shares		62,523
Stock-based compensation	599	$ 1	598
Net settlement for employee taxes on restricted stock and options, shares		(2,741)
Net settlement for employee taxes on restricted stock and options	(240)	$ 0	(240)
Stock options exercised, net, shares		20,509
Stock options exercised, net	144	$ 0	144
Balance, ending, shares, outstanding at Mar. 31, 2019		11,798,114
Balance, ending at Mar. 31, 2019	$ 266,061	$ 118	92,089	172,004	1,850
Balance, beginning, shares, outstanding at Dec. 31, 2019	11,825,331	11,825,331
Balance, beginning at Dec. 31, 2019	$ 296,641	$ 118	94,170	191,843	10,510
Increase (Decrease) in Stockholders' Equity
Net income	4,017			4,017
Other comprehensive income (loss), net	5,297				5,297
Common stock dividend declared	(2,069)			(2,069)
Common stock issued under dividend reinvestment plan, shares		11,050
Common stock issued under dividend reinvestment plan	303	$ 0	303
Common stock issued, shares, other		473
Common stock issued, other	7	$ 0	7
Stock-based compensation, shares		66,057
Stock-based compensation	607	$ 1	606
Net settlement for employee taxes on restricted stock and options, shares		(6,329)
Net settlement for employee taxes on restricted stock and options	(182)	$ 0	(182)
Stock options exercised, net, shares		740
Stock options exercised, net	$ 16	$ 0	16
Balance, ending, shares, outstanding at Mar. 31, 2020	11,897,322	11,897,322
Balance, ending at Mar. 31, 2020	$ 304,637	$ 119	$ 94,920	$ 193,791	$ 15,807