Stockholders' Equity - Schedule of Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	$ 785,328	$ 845,025	$ 575,673
Realized loss on sale of securities, net of tax	2,836	47	670
Realized loss due to settlement and curtailment, net of tax	1,858	142	111
Other comprehensive income (loss), net of reclassifications and tax	20,852	(115,706)	(13,736)
Ending balance	1,053,534	785,328	845,025
Accumulated Other Comprehensive Income (Loss)
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(127,136)	(11,619)	1,336
Realized loss due to settlement and curtailment, net of tax	1,858
Ending balance	(101,590)	(127,136)	(11,619)
Unrealized Gain (Loss) on Securities
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(129,896)	(5,946)	14,592
Realized loss on sale of securities, net of tax	2,836	47	670
Realized loss due to settlement and curtailment, net of tax	0	0	0
Other comprehensive income (loss), net of reclassifications and tax	22,838	(123,997)	(21,208)
Ending balance	(104,222)	(129,896)	(5,946)
Unrecognized Net Pension and Postretirement Costs
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	(1,633)	(1,881)	(3,872)
Realized loss on sale of securities, net of tax	0	0	0
Realized loss due to settlement and curtailment, net of tax	1,858	142	111
Other comprehensive income (loss), net of reclassifications and tax	(225)	106	1,880
Ending balance	0	(1,633)	(1,881)
Unrealized (Loss) Gain on Cash Flow Hedge
AOCI Attributable to Parent, Net of Tax [Roll Forward]
Beginning balance	4,393	(3,792)	(9,384)
Realized loss on sale of securities, net of tax	0	0	0
Realized loss due to settlement and curtailment, net of tax	0	0	0
Other comprehensive income (loss), net of reclassifications and tax	(1,761)	8,185	5,592
Ending balance	$ 2,632	$ 4,393	$ (3,792)