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Pensions and Other Post-Employment Benefits - Reconciliation of the Benefit Obligations and Plan Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Change in plan assets |  |  |
Fair value of plan assets at beginning of year | $ 227,340 |  |
Fair value of plan assets at end of year | 164,596 | $ 227,340 |
Pension Benefits |  |  |
Change in benefit obligation |  |  |
Benefit obligation at beginning of year | 235,779 | 246,107 |
Service cost | 1,231 | 1,722 | $ 1,403
Interest cost | 4,874 | 4,186 | 5,234
Net pension curtailments and settlements | (3,104) | 0 |
Acquisition | 0 | 0 |
Plan amendments | 0 | 0 |
Actuarial (gain) loss | (61,819) | (8,448) |
Benefit payments | (5,821) | (4,927) |
Foreign currency exchange rate changes and other | (3,108) | (2,861) |
Benefit obligation at end of year | 168,032 | 235,779 | 246,107
Change in plan assets |  |  |
Fair value of plan assets at beginning of year | 227,340 | 226,176 |
Plan settlements | (3,104) | 0 |
Acquisition | 0 | 0 |
Actual return on plan assets | (53,283) | 5,769 |
Employer contributions | 831 | 955 |
Employee contributions | 786 | 878 |
Benefit payments from fund | (6,175) | (5,399) |
Foreign currency exchange rate changes and other | (1,799) | (1,039) |
Fair value of plan assets at end of year | 164,596 | 227,340 | 226,176
Funded status at end of year | (3,436) | (8,439) |
Other assets | 11,761 | 18,566 |
Other liabilities and accrued items | (536) | (1,662) |
Retirement and post-employment benefits | (14,661) | (25,343) |
Other Benefits |  |  |
Change in benefit obligation |  |  |
Benefit obligation at beginning of year | 7,514 | 8,190 |
Service cost | 78 | 80 | 59
Interest cost | 156 | 116 | 213
Net pension curtailments and settlements | 0 | 0 |
Acquisition | 0 | 0 |
Plan amendments | 0 | 0 |
Actuarial (gain) loss | (1,800) | (112) |
Benefit payments | (443) | (742) |
Foreign currency exchange rate changes and other | 0 | (18) |
Benefit obligation at end of year | 5,505 | 7,514 | 8,190
Change in plan assets |  |  |
Fair value of plan assets at beginning of year | 0 | 0 |
Plan settlements | 0 | 0 |
Acquisition | 0 | 0 |
Actual return on plan assets | 0 | 0 |
Employer contributions | 0 | 0 |
Employee contributions | 0 | 0 |
Benefit payments from fund | 0 | 0 |
Foreign currency exchange rate changes and other | 0 | 0 |
Fair value of plan assets at end of year | 0 | 0 | $ 0
Funded status at end of year | (5,505) | (7,514) |
Other assets | 0 | 0 |
Other liabilities and accrued items | (754) | (754) |
Retirement and post-employment benefits | $ (4,751) | $ (6,760) |

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- Definition Amount of increase (decrease) in plan assets of defined benefit plan from actual return (loss) determined by change in fair value of plan assets adjusted for contributions, benefit payments, and other expenses. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 55 -Paragraph 17 -URI https://asc.fasb.org/extlink&oid=123450688&loc=d3e4179-114921 + Details
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- Definition Amount of gain (loss) from change in actuarial assumptions which (increases) decreases benefit obligation of defined benefit plan. Assumptions include, but are not limited to, interest, mortality, employee turnover, salary, and temporary deviation from substantive plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (a)(4) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 + Details
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