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OTHER NON-CURRENT LIABILITIES (Tables)
 3 Months Ended
Mar. 31, 2021
Other Liabilities Disclosure [Abstract]  
Schedule of other non-current liabilities
Other non-current liabilities consist of the following:
(in thousands)March 31,
2021		December 31,
2020
Operating lease liabilities$10,846 $12,281 
Income tax liabilities12,392 12,414 
Deferred revenue373 504 
Other non-current liabilities43 40 
Total$23,654 $25,239