Pensions and Other Postretirement Benefits (Unrecognized Actuarial Gains and Losses) (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Pension Plans \| United States
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	$ 196	$ 137
Unrecognized prior service cost	0	0
Benefit plans, accumulated other comprehensive income (loss) before tax	196	137
Pension Plans \| Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	448	532
Unrecognized prior service cost	44	45
Benefit plans, accumulated other comprehensive income (loss) before tax	492	577
OPEB Plans
Defined Benefit Plan Disclosure [Line Items]
Unrecognized net actuarial loss	(367)	(484)
Benefit plans, accumulated other comprehensive income (loss) before tax	$ (367)	$ (484)

Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit).

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section 45
-Paragraph 14A
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 10A
-Subparagraph (i-k)
-SubTopic 10
-Topic 220
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A

Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 715
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (j)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480506/715-20-50-1

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