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, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Before-Tax
Net change	$ 57,913	$ 12,669	$ 186,648	$ (48,622)
Tax Effect
Net change	(25,278)	(4,109)	(63,768)	15,045
Net-of-Tax
Amortization of unrealized losses on transferred securities	1,221	2,708	3,913	5,396
Net unrealized gains (losses) arising during the period	27,868	(10,216)	110,558	(72,338)
Net realized losses reclassified into net income	4,767	18,776	12,322	38,761
Other comprehensive income (loss)	32,635	8,560	122,880	(33,577)
Debt Securities
Before-Tax
Net unrealized gains arising during the period	31,958	12,421	113,496	9,139
Net realized gains on AFS debt securities reclassified into net income	(746)	(1,785)	(877)	(1,834)
Amortization of unrealized losses on transferred securities	3,772	3,845	7,594	7,661
Net change	34,984	14,481	120,213	14,966
Tax Effect
Net unrealized gains arising during the period	(17,032)	(3,648)	(41,193)	(2,648)
Net realized gains on AFS debt securities reclassified into net income	208	528	247	542
Amortization of unrealized losses on transferred securities	(2,551)	(1,137)	(3,681)	(2,265)
Net change	(19,375)	(4,257)	(44,627)	(4,371)
Net-of-Tax
Net unrealized gains arising during the period	14,926	8,773	72,303	6,491
Net realized gains on AFS debt securities reclassified into net income	(538)	(1,257)	(630)	(1,292)
Amortization of unrealized losses on transferred securities	1,221	2,708	3,913	5,396
Net unrealized gains (losses) arising during the period	14,926	8,773	72,303	6,491
Net realized losses reclassified into net income	683	1,451	3,283	4,104
Other comprehensive income (loss)	15,609	10,224	75,586	10,595
Cash Flow Hedges
Before-Tax
Net unrealized gains (losses) arising during the period	18,728	(25,095)	56,194	(115,471)
Net realized losses reclassified into net income	5,531	24,594	12,583	49,199
Net change	24,259	(501)	68,777	(66,272)
Tax Effect
Net unrealized gains (losses) arising during the period	(4,683)	7,417	(15,824)	34,131
Net realized losses reclassified into net income	(1,447)	(7,269)	(3,544)	(14,542)
Net change	(6,130)	148	(19,368)	19,589
Net-of-Tax
Net unrealized gains (losses) arising during the period	14,045	(17,678)	40,370	(81,340)
Net realized losses reclassified into net income	4,084	17,325	9,039	34,657
Other comprehensive income (loss)	18,129	(353)	49,409	(46,683)
Foreign Currency Translation Adjustments
Before-Tax
Net unrealized gains (losses) arising during the period	(1,330)	(1,311)	(2,342)	2,684
Net change	(1,330)	(1,311)	(2,342)	2,684
Tax Effect
Net unrealized gains (losses) arising during the period	227	0	227	(173)
Net change	227	0	227	(173)
Net-of-Tax
Net unrealized gains (losses) arising during the period	(1,103)	(1,311)	(2,115)	2,511
Net realized losses reclassified into net income	0	0	0	0
Other comprehensive income (loss)	$ (1,103)	$ (1,311)	$ (2,115)	$ 2,511