CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 49,828	$ 58,137	$ 150,679	$ 152,384
Other comprehensive income/(loss):
Net unrealized gains on available-for-sale securities	26,350	22,076	61,015	46,068
Net changes in held-to-maturity securities	(443)	(31,525)	(757)	(32,628)
Net unrealized (losses)/gains on cash flow hedges	(17,569)	7,566	(12,675)	5,553
Other comprehensive income/(loss) before tax	8,338	(1,883)	47,583	18,993
Income tax (expense)/benefit related to other comprehensive income/(loss)	(1,751)	395	(9,992)	(3,989)
Other comprehensive income/(loss) net of tax	6,587	(1,488)	37,591	15,004
Comprehensive income	$ 56,415	$ 56,649	$ 188,270	$ 167,388