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OTHER NON-CURRENT LIABILITIES
 12 Months Ended
Dec. 31, 2023
Other Liabilities Disclosure [Abstract]  
OTHER NON-CURRENT LIABILITIES OTHER NON-CURRENT LIABILITIES
Other non-current liabilities consist of the following as of December 31:
(in thousands)20232022
Income tax liabilities$17,506 $16,079 
Operating lease liabilities1,950 3,371 
Deferred revenue9 82 
Other non-current liabilities45 4 
Total$19,510 $19,536