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EMPLOYEE RETIREMENT PLANS AND POSTRETIREMENT BENEFITS - Projected Benefit Obligation and Plan Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Changes in projected benefit obligation |  |  |
Projected benefit obligation, beginning of year | $ 85,776 | $ 97,740 |
Service cost | 1,133 | 1,282 | $ 1,068
Interest cost | 1,819 | 1,452 | 1,716
Actuarial gain | (23,677) | (8,682) |
Benefits paid | (1,502) | (2,010) |
Translation adjustment | (7,029) | (4,006) |
Projected benefit obligation, end of year | 56,520 | 85,776 | 97,740
Changes in fair value of plan assets |  |  |
Fair value of plan assets, beginning of year | 18,521 | 17,293 |
Expected return | 535 | 641 |
Contributions | 1,430 | 1,775 |
Benefits paid | (1,124) | (1,112) |
Actuarial gain (loss) | (5,060) | 71 |
Translation adjustment | (1,813) | (147) |
Fair value of plan assets, end of year | 12,489 | 18,521 | $ 17,293
Funded status of plan | $ (44,031) | $ (67,255) |

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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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- Definition Amount of payment to participant of defined benefit plan which decreases benefit obligation. For pension plan, payment includes, but is not limited to, pension benefits and death benefits. For other postretirement plan, payment includes, but is not limited to, prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. + 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)(6) -URI https://asc.fasb.org/extlink&oid=123447040&loc=d3e1928-114920 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 60 -Section 50 -Paragraph 4 -URI https://asc.fasb.org/extlink&oid=6414203&loc=d3e39716-114964 + Details
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