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	$ 170,001	$ 164,198	$ 509,683	$ 499,146
Unrealized gains (losses) on available-for-sale securities
Before tax	168,166	(178,080)	69,510	(177,271)
Tax effect	(43,688)	47,458	(17,594)	47,243
Net of tax	124,478	(130,622)	51,916	(130,028)
Reclassification of net gains on available-for-sale securities included in net income
Before tax	45	158	1,223	720
Tax effect	(6)	(40)	(318)	(192)
Net of tax	39	118	905	528
Reclassification of amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale
Before tax	14	31	78	102
Tax effect	(4)	(8)	(21)	(27)
Net of tax	10	23	57	75
Net unrealized gains (losses) on available-for-sale securities	124,429	(130,763)	50,954	(130,631)
Unrealized gains (losses) on derivative instruments
Before tax	124,848	(43,082)	31,914	(114,847)
Tax effect	(32,460)	11,482	(7,879)	30,607
Net unrealized gains (losses) on derivative instruments	92,388	(31,600)	24,035	(84,240)
Foreign currency adjustment
Before tax	3,884	(8,359)	(7,323)	(942)
Tax effect	(680)	2,089	1,388	726
Net foreign currency adjustment	3,204	(6,270)	(5,935)	(216)
Total other comprehensive income (loss)	220,021	(168,633)	69,054	(215,087)
Comprehensive income (loss)	$ 390,022	$ (4,435)	$ 578,737	$ 284,059