CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 22,349	$ 13,739	$ 40,331	$ 24,967
Other comprehensive income (loss):
Unrealized holding gains (losses) arising during the period before tax	4,663	5,336	(1,096)	7,817
Less reclassification adjustment for gains (losses) included in net income before tax	(88)	65	(88)	65
Unrealized gains (losses) on securities available for sale	4,751	5,271	(1,008)	7,752
Unrealized holding gains (losses) arising during the period before tax	492	(654)	3,725	(7,815)
Less reclassification adjustment for caplet amortization before tax	(163)	(124)	(314)	(234)
Unrealized gains (losses) on derivatives	655	(530)	4,039	(7,581)
Other comprehensive income, before tax	5,406	4,741	3,031	171
Tax expense	1,227	1,119	603	240
Other comprehensive income (loss), net of tax	4,179	3,622	2,428	(69)
Comprehensive income	$ 26,528	$ 17,361	$ 42,759	$ 24,898