CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 154,750	$ 94,513	$ 334,948	$ 221,904
Unrealized (losses) gains on available-for-sale securities
Before tax	(46,231)	(166,536)	809	(372,553)
Tax effect	12,322	44,382	(215)	99,285
Net of tax	(33,909)	(122,154)	594	(273,268)
Reclassification of net gains on available-for-sale securities included in net income
Before tax	2	0	562	250
Tax effect	(1)	0	(152)	(67)
Net of tax	1	0	410	183
Reclassification of amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale
Before tax	28	44	71	86
Tax effect	(8)	(12)	(19)	(23)
Net of tax	20	32	52	63
Net unrealized (losses) gains on available-for-sale securities	(33,930)	(122,186)	132	(273,514)
Unrealized (losses) gains on derivative instruments
Before tax	(106,431)	2,375	(71,765)	41,856
Tax effect	28,363	(634)	19,125	(11,166)
Net unrealized (losses) gains on derivative instruments	(78,068)	1,741	(52,640)	30,690
Foreign currency adjustment
Before tax	6,527	(8,260)	7,417	(5,418)
Tax effect	(1,183)	1,667	(1,363)	1,113
Net foreign currency adjustment	5,344	(6,593)	6,054	(4,305)
Total other comprehensive (loss)	(106,654)	(127,038)	(46,454)	(247,129)
Comprehensive income (loss)	$ 48,096	$ (32,525)	$ 288,494	$ (25,225)