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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - USD ($)
$ in Millions
1 Months Ended
Feb. 20, 2019
May 31, 2018
Sep. 30, 2018
Operating Leases [Line Items]      
Non-cancelable commitments     $ 24.9
Attorney fees $ 8.2 $ 0.8  
Company Agree to pay plaintiffs $ 8.2 $ 0.8