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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Jun. 30, 2020
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Income taxes receivable $ 2,572 $ 5,098
Maintenance agreements, current portion 1,340 1,923
Prepaid expenses 5,439 3,924
Other current assets 4,806 4,269
Total $ 14,157 $ 15,214