Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 55,738	$ 47,693
Other comprehensive income (loss), after-tax:
Change in unrealized gain (loss) on available-for-sale securities	23,978	(79,353)
Reclassification adjustment for realized gain on sale of available-for-sale debt securities	(285)	0
Reclassification of gain on held-to-maturity securities	(638)	(704)
Change in unrealized gain on cash flow hedges	1,275	1,751
Reclassification of loss on cash flow hedges	27	269
Total other comprehensive income (loss), after-tax	24,357	(78,037)
Comprehensive income (loss)	$ 80,095	$ (30,344)