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GOODWILL (Tables)
9 Months Ended
Sep. 30, 2020
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Goodwill
The following table shows the carrying amount of goodwill as of December 31, 2019 and September 30, 2020 and the changes in goodwill for the nine month period ended September 30, 2020 (in thousands):

Goodwill at December 31, 2019$156,059 
Foreign currency translation adjustment(1,301)
Impairment(23,626)
Goodwill at September 30, 2020$131,132