Pensions and Other Postretirement Benefits (Projected and Accumulated Benefit Obligations) (Details) - Pension Plans - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
United States
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation, all plans	$ 2,050	$ 2,626
Plans for which the accumulated benefit obligation exceeds plan assets:
Projected benefit obligation	2,050	2,626
Accumulated benefit obligation	2,050	2,626
Fair value of plan assets		0
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Accumulated benefit obligation, all plans	14,489	23,796
Plans for which the accumulated benefit obligation exceeds plan assets:
Projected benefit obligation	3,008	23,451
Accumulated benefit obligation	$ 2,448	22,634
Fair value of plan assets		$ 17,778