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PROPERTY AND EQUIPMENT - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Property Plant And Equipment [Abstract]        
Depreciation expense $ 4,900 $ 3,800 $ 9,229 $ 7,283