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PROPERTY AND EQUIPMENT - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Jun. 30, 2020
Jun. 30, 2019
Property Plant And Equipment [Abstract]        
Depreciation expense $ 3,800 $ 3,000 $ 7,283 $ 5,799