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PREPAID EXPENSES AND OTHER CURRENT ASSETS (Details) - USD ($)
$ in Thousands
Mar. 31, 2020
Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Maintenance agreements, current portion $ 1,845 $ 1,923
Income taxes receivable 2,605 5,098
Prepaid expenses 6,972 3,924
Other current assets 6,238 4,269
Total $ 17,660 $ 15,214