Other Comprehensive Income - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 2,974,855	$ 2,471,790	$ 3,406,352
Other comprehensive income (loss) before reclassifications	(23,742)	33,908	(869,941)
Less: Amounts reclassified from accumulated other comprehensive (loss) income	(47,765)	(280,932)	(3,445)
Net current-period other comprehensive (loss) income	24,023	314,840	(866,496)
Ending balance	3,611,967	2,974,855	2,471,790
Total
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(608,352)	(923,192)	(56,696)
Ending balance	(584,329)	(608,352)	(923,192)
Unrealized (Losses) and Gains on Available for Sale Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(584,243)	(880,156)	(58,586)
Other comprehensive income (loss) before reclassifications	(11,777)	37,373	(823,854)
Less: Amounts reclassified from accumulated other comprehensive (loss) income	(12,145)	(258,540)	(2,284)
Net current-period other comprehensive (loss) income	368	295,913	(821,570)
Ending balance	(583,875)	(584,243)	(880,156)
Unrealized (Losses) and Gains on Cash Flow Hedges
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(31,571)	(50,159)	7,361
Other comprehensive income (loss) before reclassifications	(32,604)	(16,690)	(50,633)
Less: Amounts reclassified from accumulated other comprehensive (loss) income	(37,705)	(35,278)	6,887
Net current-period other comprehensive (loss) income	5,101	18,588	(57,520)
Ending balance	(26,470)	(31,571)	(50,159)
Defined Benefit Pension Plans
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	7,462	7,123	(5,471)
Other comprehensive income (loss) before reclassifications	20,639	13,225	4,546
Less: Amounts reclassified from accumulated other comprehensive (loss) income	2,085	12,886	(8,048)
Net current-period other comprehensive (loss) income	18,554	339	12,594
Ending balance	$ 26,016	$ 7,462	$ 7,123