Condensed 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
Statement of Comprehensive Income [Abstract]
Net income	$ 50,200	$ 13,913	$ 143,042	$ 82,244
Other comprehensive income (loss), after-tax:
Change in unrealized loss on available-for-sale securities	(45,283)	(7,870)	(173,878)	(15,941)
Reclassification of gain on held-to-maturity securities	(647)	(805)	(2,052)	(2,791)
Change in unrealized gain on cash flow hedges	1,165	9	3,451	651
Reclassification of loss on cash flow hedges	55	296	511	863
Total other comprehensive loss, after-tax	(44,710)	(8,370)	(171,968)	(17,218)
Comprehensive income (loss)	$ 5,490	$ 5,543	$ (28,926)	$ 65,026