Accumulated Other Comprehensive Loss - Defined Benefit Pension (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]
Balance at beginning of period	$ 1,631,989	$ 1,470,837	$ 1,638,286	$ 1,430,312
Balance at end of period	1,657,269	1,547,691	1,657,269	1,547,691
Accumulated Other Comprehensive (Loss) Income
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Balance at beginning of period	(7,063)	(13,366)	(7,217)	0
Other comprehensive loss before reclassifications	0	0	0	(13,663)
Amounts reclassified from AOCL	154	298	308	595
Balance at end of period	$ (6,909)	$ (13,068)	$ (6,909)	$ (13,068)