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OTHER NON-CURRENT LIABILITIES
 3 Months Ended
Mar. 31, 2022
Other Liabilities Disclosure [Abstract]  
OTHER NON-CURRENT LIABILITIES OTHER NON-CURRENT LIABILITIES
Other non-current liabilities consist of the following:
(in thousands)March 31,
2022		December 31,
2021
Operating lease liabilities$4,409 $5,029 
Income tax liabilities14,034 14,156 
Deferred revenue70 — 
Other non-current liabilities81 81 
Total$18,594 $19,266