v3.21.1
STOCKHOLDERS' EQUITY - Related Party Transactions (Details) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Dec. 31, 2020
Related Party Transactions      
Ownership percentage 49.00%    
Maximum      
Related Party Transactions      
Ownership percentage 50.00%    
Wanda      
Related Party Transactions      
Receivable due from related party $ 0.0   $ 0.7
Wanda      
Related Party Transactions      
Reimbursements $ 0.0 $ 0.1