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PREPAIDS AND OTHER ASSETS (Tables)
12 Months Ended
Dec. 31, 2021
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]  
Schedule of prepaid and other assets
Prepaids and other current assets consist of the following (in thousands):
 December 31,
 20212020
Prepaid maintenance$10,780 $9,111 
Other current assets5,071 6,280 
Prepaid insurance3,440 4,274 
Prepaid other2,317 2,814 
Prepaid inventories242 245 
Prepaid advertising247 155 
Total prepaids and other current assets$22,097 $22,879