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SHAREHOLDERS' EQUITY - Accumulated Other Comprehensive Income (Details)
$ in Thousands
9 Months Ended
Sep. 30, 2021
USD ($)
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
44286 $ 25,972
44469 25,153
Accumulated Other Comprehensive Income, Net  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
44286 5,150
Current-period change (2,538)
44469 2,612
Foreign Currency Translation  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
44286 4,793
Current-period change (2,538)
44469 2,255
Pension Postretirement Benefit Obligation  
AOCI Attributable to Parent, Net of Tax [Roll Forward]  
44286 357
Current-period change 0
44469 $ 357