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GOODWILL (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Changes in the carrying amount of goodwill    
Gross balance at the beginning $ 91,130 $ 85,786
Foreign currency impact (122) (437)
Balance at the beginning 91,008 85,349
Acquisitions   5,344
Foreign currency impact and adjustments (218) 315
Goodwill, Period Increase (Decrease) (218) 5,659
Gross balance at the end 91,130 91,130
Foreign currency impact and adjustments (340) (122)
Balance at the end $ 90,790 $ 91,008