Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Condensed Consolidated Statements of Comprehensive Income
Net income	$ 122,788	$ 95,221	$ 368,697	$ 34,396
Unrealized holding (losses) gains on available for sale securities:
Unrealized holding (losses) gains arising during period	(32,284)	1,915	(63,019)	48,573
Tax effect	7,677	(421)	14,986	(10,686)
Reclassification adjustment for gains included in net income	(64)	(15)	(100)	(15)
Tax effect	15	3	24	3
Net of tax amount	(24,656)	1,482	(48,109)	37,875
Unrealized (losses) gains on derivative financial instruments qualifying as cash flow hedges:
Unrealized holding (losses) gains arising during period		165		(34,150)
Tax effect		(37)		7,512
Reclassification adjustment for losses included in interest expense		3,457		6,143
Tax effect		(760)		(1,351)
Net of tax amount		2,825		(21,846)
Other comprehensive (loss) income, net of tax	(24,656)	4,307	(48,109)	16,029
Comprehensive income	$ 98,132	$ 99,528	$ 320,588	$ 50,425