Other Comprehensive Income (Loss) - Accumulated Other Comprehensive Loss (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balances	$ 669,934	$ 617,390	$ 728,941
Other comprehensive (loss) income	6,513	83,684	(152,739)
Ending balances	713,444	669,934	617,390
Accumulated Other Comprehensive (Loss) Income
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balances	(125,005)	(208,689)	(55,950)
Other comprehensive (loss) income	6,513	83,684	(152,739)
Ending balances	(118,492)	(125,005)	(208,689)
Available-for- Sale Debt Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balances	(99,535)	(178,803)	(14,560)
Other comprehensive (loss) income	(2,159)	79,268	(164,243)
Ending balances	(101,694)	(99,535)	(178,803)
Employee Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balances	(25,470)	(29,886)	(41,390)
Other comprehensive (loss) income	8,672	4,416	11,504
Ending balances	$ (16,798)	$ (25,470)	$ (29,886)