Accumulated Other Comprehensive Income (Loss) - Schedule Of Components Of Other Comprehensive Income (Loss), Reclassifications To Net Income And The Related Tax Effects (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Before-Tax
Net change	$ 12,669	$ (140,253)	$ (48,622)	$ (20,359)
Tax Effect
Net change	(4,109)	38,315	15,045	4,056
Net-of-Tax
Other comprehensive income (loss)	8,560	(101,938)	(33,577)	(16,303)
Debt Securities
Before-Tax
Net unrealized gains (losses) on AFS debt securities arising during the period	12,421	(61,939)	9,139	921
Net realized (gains) losses on AFS debt securities reclassified into net income	(1,785)	0	(1,834)	10,000
Amortization of unrealized losses on transferred securities	3,845	3,998	7,661	7,919
Net change	14,481	(57,941)	14,966	18,840
Tax Effect
Net unrealized gains (losses) on AFS debt securities arising during the period	(3,648)	18,321	(2,648)	(264)
Net realized (gains) losses on AFS debt securities reclassified into net income	528	0	542	(2,956)
Amortization of unrealized losses on transferred securities	(1,137)	(1,182)	(2,265)	(2,341)
Net change	(4,257)	17,139	(4,371)	(5,561)
Net-of-Tax
Net unrealized gains (losses) on AFS debt securities arising during the period	8,773	(43,618)	6,491	657
Net realized (gains) losses on AFS debt securities reclassified into net income	(1,257)	0	(1,292)	7,044
Amortization of unrealized losses on transferred securities	2,708	2,816	5,396	5,578
Net unrealized losses arising during the period	8,773	(43,618)	6,491	657
Net realized losses reclassified into net income	1,451	2,816	4,104	12,622
Other comprehensive income (loss)	10,224	(40,802)	10,595	13,279
Cash Flow Hedges
Before-Tax
Net unrealized losses arising during the period	(25,095)	(96,457)	(115,471)	(66,614)
Net realized losses reclassified into net income	24,594	20,252	49,199	30,896
Net change	(501)	(76,205)	(66,272)	(35,718)
Tax Effect
Net unrealized losses arising during the period	7,417	28,250	34,131	19,493
Net realized losses reclassified into net income	(7,269)	(5,932)	(14,542)	(9,049)
Net change	148	22,318	19,589	10,444
Net-of-Tax
Net unrealized losses arising during the period	(17,678)	(68,207)	(81,340)	(47,121)
Net realized losses reclassified into net income	17,325	14,320	34,657	21,847
Other comprehensive income (loss)	(353)	(53,887)	(46,683)	(25,274)
Foreign Currency Translation Adjustments
Before-Tax
Net unrealized losses arising during the period	(1,311)	(6,107)	2,684	(3,481)
Net change	(1,311)	(6,107)	2,684	(3,481)
Tax Effect
Net unrealized losses arising during the period	0	(1,142)	(173)	(827)
Net change	0	(1,142)	(173)	(827)
Net-of-Tax
Net unrealized losses arising during the period	(1,311)	(7,249)	2,511	(4,308)
Net realized losses reclassified into net income	0	0	0	0
Other comprehensive income (loss)	$ (1,311)	$ (7,249)	$ 2,511	$ (4,308)