Condensed Consolidated Statements of Comprehensive (Loss) Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Condensed Consolidated Statements of Comprehensive (Loss) Income
Net income	$ 133,043	$ 122,788	$ 352,547	$ 368,697
Unrealized holding losses on available for sale securities:
Unrealized holding losses arising during period	(299,139)	(32,284)	(922,437)	(63,019)
Tax effect	73,588	7,677	227,148	14,986
Reclassification adjustment for gains included in net income	(30)	(64)	(30)	(100)
Tax effect	7	15	7	24
Net of tax amount	(225,574)	(24,656)	(695,312)	(48,109)
Other comprehensive loss, net of tax	(225,574)	(24,656)	(695,312)	(48,109)
Comprehensive (loss) income	$ (92,531)	$ 98,132	$ (342,765)	$ 320,588