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, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Before-Tax
Net change	$ (37,834)	$ 57,913	$ (100,028)	$ 186,648
Tax Effect
Net change	12,268	(25,278)	31,852	(63,768)
Net-of-Tax
Amortization of unrealized losses on transferred securities	2,545	1,221	5,066	3,913
Net unrealized (losses) gains arising during the period	(25,513)	27,868	(69,664)	110,558
Net realized (gains) losses reclassified into net income	(53)	4,767	1,488	12,322
Other comprehensive (loss) income	(25,566)	32,635	(68,176)	122,880
Debt Securities
Before-Tax
Net unrealized (losses) gains arising during the period	(18,526)	31,958	(64,612)	113,496
Net realized gains on AFS debt securities reclassified into net income	(2,931)	(746)	(3,739)	(877)
Amortization of unrealized losses on transferred securities	3,613	3,772	7,192	7,594
Net change	(17,844)	34,984	(61,159)	120,213
Tax Effect
Net unrealized (losses) gains arising during the period	5,474	(17,032)	19,088	(41,193)
Net realized gains on AFS debt securities reclassified into net income	866	208	1,105	247
Amortization of unrealized losses on transferred securities	(1,068)	(2,551)	(2,126)	(3,681)
Net change	5,272	(19,375)	18,067	(44,627)
Net-of-Tax
Net unrealized (losses) gains arising during the period	(13,052)	14,926	(45,524)	72,303
Net realized gains on AFS debt securities reclassified into net income	(2,065)	(538)	(2,634)	(630)
Amortization of unrealized losses on transferred securities	2,545	1,221	5,066	3,913
Net unrealized (losses) gains arising during the period	(13,052)	14,926	(45,524)	72,303
Net realized (gains) losses reclassified into net income	480	683	2,432	3,283
Other comprehensive (loss) income	(12,572)	15,609	(43,092)	75,586
Cash Flow Hedges
Before-Tax
Net unrealized (losses) gains arising during the period	(22,908)	18,728	(45,290)	56,194
Net realized (gains) losses reclassified into net income	(758)	5,531	(1,341)	12,583
Net change	(23,666)	24,259	(46,631)	68,777
Tax Effect
Net unrealized (losses) gains arising during the period	6,771	(4,683)	13,388	(15,824)
Net realized (gains) losses reclassified into net income	225	(1,447)	397	(3,544)
Net change	6,996	(6,130)	13,785	(19,368)
Net-of-Tax
Net unrealized (losses) gains arising during the period	(16,137)	14,045	(31,902)	40,370
Net realized (gains) losses reclassified into net income	(533)	4,084	(944)	9,039
Other comprehensive (loss) income	(16,670)	18,129	(32,846)	49,409
Foreign Currency Translation Adjustments
Before-Tax
Net unrealized (losses) gains arising during the period	3,676	(1,330)	7,762	(2,342)
Net change	3,676	(1,330)	7,762	(2,342)
Tax Effect
Net unrealized (losses) gains arising during the period	0	227	0	227
Net change	0	227	0	227
Net-of-Tax
Net unrealized (losses) gains arising during the period	3,676	(1,103)	7,762	(2,115)
Net realized (gains) losses reclassified into net income	0	0	0	0
Other comprehensive (loss) income	$ 3,676	$ (1,103)	$ 7,762	$ (2,115)