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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)