Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Consolidated Statements of Comprehensive Income
Net income	$ 83,356	$ 54,599	$ 194,820	$ 197,396
Other comprehensive loss, net of tax:
Net unrealized holding losses on securities available for sale arising during period (net of tax effects of $(47,326), $(2,015), $(112,388), and $(2,689))	(178,037)	(7,578)	(422,792)	(10,115)
Reclassification adjustment for losses on securities available for sale included in net income (net of tax effects of $0, $3, $0 and $3)		9		13
Other comprehensive income, net of tax	(178,037)	(7,569)	(422,792)	(10,102)
Comprehensive (loss) income	$ (94,681)	$ 47,030	$ (227,972)	$ 187,294