Accumulated Other Comprehensive (Loss) Income - Schedule Of Components Of Other Comprehensive Income (Loss), Reclassifications To Net Income And The Related Tax Effects (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Before-Tax
Net change	$ 338,957	$ 50,534	$ 206,712
Tax Effect
Net change	(99,307)	(15,198)	(61,679)
Net-of-Tax
Amortization of unrealized losses on transferred securities	10,592	10,884	11,171
Net unrealized gains (losses) arising during the period	213,510	(38,127)	72,597
Net realized losses reclassified into net income	26,140	73,463	72,436
Other comprehensive income	239,650	35,336	145,033
Debt Securities
Before-Tax
Net unrealized gains on AFS debt securities arising during the period	252,366	71,259	109,216
Net realized losses (gains) on AFS debt securities reclassified into net income	937	(2,069)	6,862
Amortization of unrealized losses on transferred securities	15,038	15,452	15,860
Net change	268,341	84,642	131,938
Tax Effect
Net unrealized gains on AFS debt securities arising during the period	(74,698)	(20,957)	(32,286)
Net realized losses (gains) on AFS debt securities reclassified into net income	(277)	612	(2,029)
Amortization of unrealized losses on transferred securities	(4,446)	(4,568)	(4,689)
Net change	(79,421)	(24,913)	(39,004)
Net-of-Tax
Net unrealized gains on AFS debt securities arising during the period	177,668	50,302	76,930
Net realized losses (gains) on AFS debt securities reclassified into net income	660	(1,457)	4,833
Amortization of unrealized losses on transferred securities	10,592	10,884	11,171
Net unrealized gains (losses) arising during the period	177,668	50,302	76,930
Net realized losses reclassified into net income	11,252	9,427	16,004
Other comprehensive income	188,920	59,729	92,934
Cash Flow Hedges
Before-Tax
Net unrealized gains (losses) arising during the period	48,016	(124,382)	(5,767)
Net realized losses reclassified into net income	20,959	91,083	79,843
Net change	68,975	(33,299)	74,076
Tax Effect
Net unrealized gains (losses) arising during the period	(13,908)	36,935	1,490
Net realized losses reclassified into net income	(6,071)	(27,047)	(23,411)
Net change	(19,979)	9,888	(21,921)
Net-of-Tax
Net unrealized gains (losses) arising during the period	34,108	(87,447)	(4,277)
Net realized losses reclassified into net income	14,888	64,036	56,432
Other comprehensive income	48,996	(23,411)	52,155
Foreign Currency Translation Adjustments
Before-Tax
Net unrealized gains (losses) arising during the period	1,641	(809)	698
Net change	1,641	(809)	698
Tax Effect
Net unrealized gains (losses) arising during the period	93	(173)	(754)
Net change	93	(173)	(754)
Net-of-Tax
Net unrealized gains (losses) arising during the period	1,734	(982)	(56)
Net realized losses reclassified into net income	0	0	0
Other comprehensive income	$ 1,734	$ (982)	$ (56)