CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 13,547	$ 12,226	$ 23,162	$ 35,201
Unrealized gains/(losses) on available for sale securities:
Unrealized holding gains/(losses) arising during the period	(1,029)	769	6,801	5,928
Before tax	(1,029)	769	6,801	5,928
Tax effect	252	(186)	(1,649)	(1,441)
Net of tax	(777)	583	5,152	4,487
Unrealized gains/(losses) on cash flow hedges:
Unrealized holding gains/(losses) arising during the period	1,439	(1,084)	(7,249)	(5,540)
Reclassification adjustment for amounts included in net income	(5)	(80)	(85)	(142)
Before tax	1,434	(1,164)	(7,334)	(5,682)
Tax effect	(408)	356	1,930	1,711
Net of tax	1,026	(808)	(5,404)	(3,971)
Total other comprehensive income/(loss)	249	(225)	(252)	516
Total comprehensive income	$ 13,796	$ 12,001	$ 22,910	$ 35,717