Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	$ 265,777	$ 243,255	$ 277,864	$ 229,081
Other comprehensive income, net of tax	8,241	4,376	1,860	10,191
Balance	$ 282,516	$ 257,264	$ 282,516	$ 257,264
Dividend declared and paid (per share)	$ 0.01	$ 0.01	$ 0.02	$ 0.02
Accumulated Other Comprehensive Income (Loss) [Member]
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	$ (1,819)	$ 1,736	$ 4,562	$ (4,079)
Other comprehensive income, net of tax	8,241	4,376	1,860	10,191
Balance	6,422	6,112	6,422	6,112
Accumulated Unrealized Loss on Securities Available-for-Sale
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	2,265	2,548	6,827	(4,038)
Other comprehensive income, net of tax	7,923	5,503	3,361	12,089
Balance	10,188	8,051	10,188	8,051
Accumulated Unrealized Loss on Derivative Instruments
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance	(4,084)	(812)	(2,265)	(41)
Other comprehensive income, net of tax	318	(1,127)	(1,501)	(1,898)
Balance	$ (3,766)	$ (1,939)	$ (3,766)	$ (1,939)