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PROPERTY AND EQUIPMENT, NET - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Depreciation $ 1,692 $ 1,562 $ 1,606
Equipment And Leasehold Improvements [Member]      
Reduction in cost (12,381) 0  
Reduction in accumulated depreciation $ (12,381) $ 0