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	$ 41,418	$ 35,305	$ 134,726	$ 102,236
Other comprehensive (loss)/income:
Net unrealized (losses)/gains on available-for-sale securities	(41,827)	991	(158,273)	29,966
Net changes in held-to-maturity securities	(622)	(2,385)	220	(6,195)
Net unrealized gains on cash flow hedges	24,596	3,258	72,684	16,899
Other comprehensive (loss)/income before tax	(17,853)	1,864	(85,369)	40,670
Income tax benefit/(expense) related to other comprehensive (loss)/income	3,748	(391)	17,927	(8,541)
Other comprehensive (loss)/income net of tax	(14,105)	1,473	(67,442)	32,129
Comprehensive income/(loss)	$ 27,313	$ 36,778	$ 67,284	$ 134,365