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Pension and Postretirement Benefits (Change in Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Postretirement Medical Benefits |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] |  |  |
Balance — January 1 | $ (325) | $ (496) |
Amortization of net (gain) loss | 52 | 41 |
Net loss arising during the year | 183 | 37 |
Amortization of prior service cost | (94) | (93) |
Prior service cost arising during the year | 122 | 122 | $ 122
Balance — December 31 | 4 | (325) | (496)
United States | Pension Plan |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] |  |  |
Balance — January 1 | (62,602) | (44,455) |
Amortization of net (gain) loss | 0 | (10) |
Net loss arising during the year | (4,143) | (20,362) |
Settlement loss and other | 0 | 2,140 |
Amortization of prior service cost | (148) | (141) |
Prior service cost arising during the year | 0 | 56 |
Balance — December 31 | (66,597) | (62,602) | (44,455)
Foreign Plan | Pension Plan |  |  |
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax [Abstract] |  |  |
Balance — January 1 | (59,968) | (42,421) |
Amortization of net (gain) loss | 2,662 | 1,631 |
Net loss arising during the year | 5,107 | (16,039) |
Settlement (gains) losses | 61 | 23 |
Currency translation impact and other | 1,935 | (3,126) |
Prior service cost arising during the year | 296 | 300 | 293
Prior service gain (cost) arising during the year | 0 | (10) |
Balance — December 31 | $ (50,325) | $ (59,968) | $ (42,421)

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- Definition Amount, after tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References 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 (j) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (k) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A Reference 5: 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 + Details
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