Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' DEFICIT - Business Combination and Recapitalization Costs (Details)

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STOCKHOLDERS' DEFICIT - Business Combination and Recapitalization Costs (Details) - USD ($)
$ in Millions
12 Months Ended
Jul. 25, 2018
Dec. 31, 2019
Class of Stock [Line Items]    
Transaction costs $ 13.3 $ 3.6
Additional Paid-In Capital    
Class of Stock [Line Items]    
Transaction costs $ 9.7