Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 47,693	$ 29,926
Other comprehensive income (loss), after-tax:
Change in unrealized loss on available-for-sale debt securities	(79,353)	(10,920)
Reclassification of gain on held-to-maturity securities	(704)	(1,149)
Change in unrealized gain on cash flow hedges arising during the period	1,751	847
Reclassification of loss on cash flow hedges	269	279
Total other comprehensive loss, after-tax	(78,037)	(10,943)
Comprehensive (loss) income	$ (30,344)	$ 18,983