Income Taxes (Schedule of Deferred Tax Assets and Liabilities) (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
U.S.
Income Tax Disclosure [Line Items]
Net deferred tax (liability)/asset	$ (4,800)
Net deferred tax (liability)/asset		$ 6,841
Non-U.S.
Income Tax Disclosure [Line Items]
Net deferred tax (liability)/asset	4,907	8,084
Deferred tax assets: | U.S.
Income Tax Disclosure [Line Items]
Accounts receivable, net	436	428
Inventories	1,807	1,450
Incentive compensation	4,619	4,580
Property, plant, equipment and intangibles, net	0	0
Pension, post retirement benefits - non-current	9,141	12,912
Tax loss carryforwards	239	217
Tax credit carryforwards	2,635	4,643
Derivatives	0	468
Leases	7,597	1,658
Reserves	721	991
Deferred revenue	761	239
Other	47	329
Deferred tax assets before valuation allowance	28,003	27,915
Less: valuation allowance	(8)	(9)
Total deferred tax assets	27,995	27,906
Deferred tax assets: | Non-U.S.
Income Tax Disclosure [Line Items]
Accounts receivable, net	1,300	1,378
Inventories	1,111	1,752
Incentive compensation	1,333	1,084
Property, plant, equipment and intangibles, net	1,892	4,339
Pension, post retirement benefits - non-current	0	0
Tax loss carryforwards	14,201	19,821
Tax credit carryforwards	0	0
Derivatives	0	0
Leases	0	0
Reserves	0	0
Deferred revenue	0	0
Other	1,707	1,791
Deferred tax assets before valuation allowance	21,544	30,165
Less: valuation allowance	(9,778)	(10,650)
Total deferred tax assets	11,766	19,515
Deferred tax liabilities: | U.S.
Income Tax Disclosure [Line Items]
Unrepatriated foreign earnings	5,827	6,308
Property, plant, equipment and intangibles, net	3,084	5,356
Basis difference in partner capital	2,161	2,466
Basis difference in investment	4,173	3,985
Derivatives	5,941	0
Leases	11,609	2,950
Deferred revenue	0	0
Other	0	0
Total deferred tax liabilities	32,795	21,065
Deferred tax liabilities: | Non-U.S.
Income Tax Disclosure [Line Items]
Unrepatriated foreign earnings	0	0
Property, plant, equipment and intangibles, net	0	0
Basis difference in partner capital	0	0
Basis difference in investment	0	0
Derivatives	0	0
Leases	0	0
Deferred revenue	6,440	10,829
Other	419	602
Total deferred tax liabilities	$ 6,859	$ 11,431