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PROPERTY AND EQUIPMENT - Narrative (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 30, 2019
Sep. 30, 2019
Sep. 30, 2019
Sep. 30, 2018
Property, Plant and Equipment [Line Items]        
Depreciation   $ 300 $ 900  
Carrying value of certain owned machinery to dispose by abandonment $ 9,600      
Loss on disposal of certain machinery   10,100 $ 10,076 $ 659
Selling, general and administrative expenses        
Property, Plant and Equipment [Line Items]        
Loss on disposal of certain machinery   $ 500