Pensions and Other Postretirement Benefits (Unrecognized Actuarial Gains and Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Pension Plans | United States
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	$ 137	$ 693
Unrecognized prior service cost	0	0
Benefit plans, accumulated other comprehensive income (loss) before tax	137	693
Pension Plans | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	532	6,709
Unrecognized prior service cost	45	55
Benefit plans, accumulated other comprehensive income (loss) before tax	577	6,764
OPEB Plans
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	(484)	(28)
Benefit plans, accumulated other comprehensive income (loss) before tax	$ (484)	$ (28)