CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 622,626	$ 509,682	$ 466,151
Unrealized gains (losses) on available-for-sale securities
Before tax	50,669	(537,602)	(83,199)
Tax effect	(14,455)	143,270	22,152
Net of tax	36,214	(394,332)	(61,047)
Reclassification of net gains on available-for-sale securities included in net income
Before tax	951	439	1,079
Tax effect	(252)	(118)	(290)
Net of tax	699	321	789
Reclassification of amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale
Before tax	212	175	241
Tax effect	(57)	(47)	(64)
Net of tax	155	128	177
Net unrealized gains (losses) on available-for-sale securities	35,360	(394,781)	(62,013)
Unrealized gains (losses) on derivative instruments
Before tax	33,512	(26,882)	68,441
Tax effect	(8,844)	7,152	(18,240)
Net unrealized gains (losses) on derivative instruments	24,668	(19,730)	50,201
Foreign currency translation adjustment
Before tax	7,788	(21,781)	620
Tax effect	(1,411)	4,564	(98)
Net foreign currency translation adjustment	6,377	(17,217)	522
Total other comprehensive income (loss)	66,405	(431,728)	(11,290)
Comprehensive income	$ 689,031	$ 77,954	$ 454,861