Comprehensive Income (Loss) Components of AOCI (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance	$ (7,656)	$ (7,848)
Other comprehensive loss before reclassifications	(4)	2
Interest rate contracts, amount of gain reclassified from AOCL into income	(452)	(452)
Amounts reclassified from AOCL	504	(262)
Net current-period other comprehensive income (loss)	952	192	$ (538)
Ending Balance	(6,704)	(7,656)	(7,848)
Foreign Currency Translation
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance	1,437	1,435
Other comprehensive loss before reclassifications	(4)	2
Interest rate contracts, amount of gain reclassified from AOCL into income	0	0
Amounts reclassified from AOCL	0	0
Net current-period other comprehensive income (loss)	(4)	2
Ending Balance	1,433	1,437	1,435
Pension and Postretirement Medical Plans
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance	280	(542)
Other comprehensive loss before reclassifications	0	0
Interest rate contracts, amount of gain reclassified from AOCL into income	0	0
Amounts reclassified from AOCL	504	(262)
Net current-period other comprehensive income (loss)	504	(262)
Ending Balance	784	280	(542)
Interest Rate Derivative Instruments Designated as Cash Flow Hedges
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Beginning balance	(9,373)	(9,825)
Other comprehensive loss before reclassifications	0	0
Interest rate contracts, amount of gain reclassified from AOCL into income	(452)	(452)
Amounts reclassified from AOCL	0	0
Net current-period other comprehensive income (loss)	452	452
Ending Balance	$ (8,921)	$ (9,373)	$ (9,825)