Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	$ 282,516	$ 257,264	$ 277,864	$ 229,081
Other comprehensive income, net of tax	4,622	259	6,482	10,450
Balance	$ 296,268	$ 270,021	$ 296,268	$ 270,021
Dividend declared and paid (per share)	$ 0.01	$ 0.01	$ 0.03	$ 0.03
Accumulated Other Comprehensive Income (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	$ 6,422	$ 6,112	$ 4,562	$ (4,079)
Other comprehensive income, net of tax	4,622	259	6,482	10,450
Balance	11,044	6,371	11,044	6,371
Accumulated Unrealized Loss on Securities Available-for-Sale
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	10,188	8,051	6,827	(4,038)
Other comprehensive income, net of tax	4,180	1,696	7,541	13,785
Balance	14,368	9,747	14,368	9,747
Accumulated Unrealized Loss on Derivative Instruments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	(3,766)	(1,939)	(2,265)	(41)
Other comprehensive income, net of tax	442	(1,437)	(1,059)	(3,335)
Balance	$ (3,324)	$ (3,376)	$ (3,324)	$ (3,376)