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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,005,143	$ 1,006,326	$ 1,003,543	$ 1,003,011
Other comprehensive income (loss) before reclassifications, net of taxes of $0			(4,555)
Amounts reclassified from accumulated other comprehensive income (loss)			(1,075)
Other comprehensive income (loss), net of tax	(2,002)	1,229	(5,630)	1,958
Ending balance	1,013,032	1,001,572	1,013,032	1,001,572
Other comprehensive loss before reclassifications, tax			0
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	2,506	3,979	6,134	3,250
Other comprehensive income (loss), net of tax	(2,002)	1,229	(5,630)	1,958
Ending balance	504	$ 5,208	504	$ 5,208
Post-retirement plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			367
Other comprehensive income (loss) before reclassifications, net of taxes of $0			0
Amounts reclassified from accumulated other comprehensive income (loss)			0
Other comprehensive income (loss), net of tax			0
Ending balance	367		367
Interest Rate Swap
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			5,767
Other comprehensive income (loss) before reclassifications, net of taxes of $0			(4,555)
Amounts reclassified from accumulated other comprehensive income (loss)			(1,075)
Other comprehensive income (loss), net of tax			(5,630)
Ending balance	137		137
Qualified Plans \| Post-retirement plans \| Post-retirement plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			382
Ending balance	382		382
Nonqualified Plan \| Post-retirement plans \| Post-retirement plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance			(15)
Ending balance	$ (15)		$ (15)