CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Statement of Comprehensive Income [Abstract]
Net income	$ 216,254	$ 170,001	$ 600,820	$ 509,683
Unrealized gains on available-for-sale securities
Before tax	75,521	168,166	155,712	69,510
Tax effect	(19,635)	(43,688)	(40,485)	(17,594)
Net of tax	55,886	124,478	115,227	51,916
Reclassification of net gains (losses) on available-for-sale securities included in net income
Before tax	269	45	(119)	1,223
Tax effect	(70)	(6)	31	(318)
Net of tax	199	39	(88)	905
Reclassification of amortization of unrealized gains on investment securities transferred to held-to-maturity from available-for-sale
Before tax	10	14	31	78
Tax effect	(3)	(4)	(8)	(21)
Net of tax	7	10	23	57
Net unrealized gains on available-for-sale securities	55,680	124,429	115,292	50,954
Unrealized gains on derivative instruments
Before tax	4,280	124,848	92,317	31,914
Tax effect	(1,112)	(32,460)	(24,002)	(7,879)
Net unrealized gains on derivative instruments	3,168	92,388	68,315	24,035
Foreign currency adjustment
Before tax	(8,997)	3,884	12,123	(7,323)
Tax effect	1,574	(680)	(2,203)	1,388
Net foreign currency adjustment	(7,423)	3,204	9,920	(5,935)
Total other comprehensive income	51,425	220,021	193,527	69,054
Comprehensive income	$ 267,679	$ 390,022	$ 794,347	$ 578,737