Pension and Postretirement Benefits (Funded Status) (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Postretirement Medical Benefits
Funded status of plan:
Benefit Obligation	$ (11,761)	$ (12,417)	$ (13,353)
Funded status	(11,761)	(12,417)
United States | Pension Plan
Funded status of plan:
Plan assets, at fair value	352,517	361,174	365,044
Benefit Obligation	(415,236)	(417,648)	(382,959)
Funded status	(62,719)	(56,474)
Foreign Plan | Pension Plan
Funded status of plan:
Plan assets, at fair value	167,508	179,450	172,276
Benefit Obligation	(285,498)	(297,600)	$ (268,364)
Funded status	$ (117,990)	$ (118,150)