CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income	$ 509,682	$ 466,151	$ 292,990
Unrealized (losses) gains on available-for-sale securities
Before tax	(537,602)	(83,199)	76,464
Tax effect	143,270	22,152	(20,378)
Net of tax	(394,332)	(61,047)	56,086
Reclassification of net gains on available-for-sale securities included in net income
Before tax	439	1,079	221
Tax effect	(118)	(290)	(59)
Net of tax	321	789	162
Reclassification of amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale
Before tax	175	241	231
Tax effect	(47)	(64)	(62)
Net of tax	128	177	169
Net unrealized (losses) gains on available-for-sale securities	(394,781)	(62,013)	55,755
Unrealized (losses) gains on derivative instruments
Before tax	(26,882)	68,441	(13,591)
Tax effect	7,152	(18,240)	3,642
Net unrealized (losses) gains on derivative instruments	(19,730)	50,201	(9,949)
Foreign currency translation adjustment
Before tax	(21,781)	620	5,367
Tax effect	4,564	(98)	(1,113)
Net foreign currency translation adjustment	(17,217)	522	4,254
Total other comprehensive (loss) income	(431,728)	(11,290)	50,060
Comprehensive income	$ 77,954	$ 454,861	$ 343,050