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Stockholders' Equity - Summary of Accumulated Other Comprehensive (Loss) Income (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 $ 1,053,534 $ 785,328 $ 845,025
Realized loss on sale of securities, net of tax 319 2,836 47
Realized loss due to settlement and curtailment, net of tax 0 1,858 142
Other comprehensive income (loss), net of reclassifications and tax (9,114) 20,852 (115,706)
Ending balance 1,111,590 1,053,534 785,328
Accumulated Other Comprehensive Income (Loss)      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (101,590) (127,136) (11,619)
Ending balance (110,385) (101,590) (127,136)
Unrealized Gain (Loss) on Securities      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance (104,222) (129,896) (5,946)
Realized loss on sale of securities, net of tax 319 2,836 47
Realized loss due to settlement and curtailment, net of tax 0 0 0
Other comprehensive income (loss), net of reclassifications and tax (7,926) 22,838 (123,997)
Ending balance (111,829) (104,222) (129,896)
Unrecognized Net Pension and Postretirement Costs      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 0 (1,633) (1,881)
Realized loss on sale of securities, net of tax 0 0 0
Realized loss due to settlement and curtailment, net of tax 0 1,858 142
Other comprehensive income (loss), net of reclassifications and tax 0 (225) 106
Ending balance 0 0 (1,633)
Unrealized (Loss) Gain on Cash Flow Hedges      
AOCI Attributable to Parent, Net of Tax [Roll Forward]      
Beginning balance 2,632 4,393 (3,792)
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 (1,188) (1,761) 8,185
Ending balance $ 1,444 $ 2,632 $ 4,393