CONSOLIDATED STATEMENT OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Statement of Comprehensive Income [Abstract]
Net income	$ 295,339	$ 225,449	$ 791,320	$ 655,185
Other comprehensive loss, net of tax:
Net changes in unrealized losses on AFS debt securities	(161,445)	(41,178)	(523,593)	(101,577)
Net changes in unrealized gains (losses) on securities transferred from AFS to HTM	3,256	0	(103,674)	0
Net changes in unrealized (losses) gains on cash flow hedges	(33,269)	51	(64,372)	551
Foreign currency translation adjustments	(7,926)	(1,752)	(18,012)	(867)
Other comprehensive loss	(199,384)	(42,879)	(709,651)	(101,893)
COMPREHENSIVE INCOME	$ 95,955	$ 182,570	$ 81,669	$ 553,292