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OTHER NON-CURRENT LIABILITIES
 6 Months Ended
Jun. 30, 2021
Other Liabilities Disclosure [Abstract]  
OTHER NON-CURRENT LIABILITIES OTHER NON-CURRENT LIABILITIES
Other non-current liabilities consist of the following:
(in thousands)June 30,
2021		December 31,
2020
Operating lease liabilities$7,055 $12,281 
Income tax liabilities12,322 12,414 
Deferred revenue289 504 
Other non-current liabilities50 40 
Total$19,716 $25,239