CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Statement of Comprehensive Income [Abstract]
Net income	$ 287,738	$ 295,339	$ 922,208	$ 791,320
Other comprehensive loss, net of tax:
Net changes in unrealized losses on AFS debt securities	(72,691)	(161,445)	(64,990)	(523,593)
Reclassification of unrealized losses on debt securities transferred from AFS to HTM	0	0	0	(112,991)
Amortization of unrealized losses on debt securities transferred from AFS to HTM	2,870	3,256	8,448	9,317
Net changes in unrealized losses on cash flow hedges	(27,334)	(33,269)	(52,608)	(64,372)
Foreign currency translation adjustments	3,710	(7,926)	(598)	(18,012)
Other comprehensive loss	(93,445)	(199,384)	(109,748)	(709,651)
COMPREHENSIVE INCOME	$ 194,293	$ 95,955	$ 812,460	$ 81,669