SUBSEQUENT EVENTS (Details) - USD ($)
$ / shares in Units, $ in Millions
Feb. 09, 2021
Feb. 11, 2021
Dec. 31, 2020
RSU      
Subsequent Event [Line Items]      
Unamortized stock-based compensation     $ 503.0
Public Offering And Over-Allotment Option | Subsequent Event      
Subsequent Event [Line Items]      
Shares sold 32,817,421    
Common stock price per PIPE Shares (in usd per share) $ 27.00    
Net proceeds from offering $ 859.5    
Public Offering And Over-Allotment Option | RSU | Time-based vesting condition      
Subsequent Event [Line Items]      
Unamortized stock-based compensation     $ 80.2
Public Offering And Over-Allotment Option | RSU | Time-based vesting condition | Subsequent Event      
Subsequent Event [Line Items]      
Unamortized stock-based compensation   $ 80.2  
Over-Allotment Option | Subsequent Event      
Subsequent Event [Line Items]      
Shares sold 4,280,533