Quarterly report pursuant to Section 13 or 15(d)

RELATED-PARTY TRANSACTIONS - Narrative (Details)

v3.21.2
RELATED-PARTY TRANSACTIONS - Narrative (Details) - USD ($)
shares in Thousands
1 Months Ended 3 Months Ended 6 Months Ended
Oct. 30, 2020
Jul. 31, 2012
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Jun. 21, 2021
Dec. 31, 2020
Related Party Transaction [Line Items]                
Revenues recognized from related parties     $ 0 $ 0 $ 0 $ 0    
Charitable contribution paid     $ 2,500,000          
Common stock, shares outstanding             125,753  
MGM | Marketing Agreement                
Related Party Transaction [Line Items]                
Related parties liabilities               $ 20,000,000
MGM | MGM                
Related Party Transaction [Line Items]                
Common stock, shares outstanding     16,600   16,600     14,600
MGM | MGM | Marketing Agreement                
Related Party Transaction [Line Items]                
Initial term   1 year            
Renewal term   2 years            
Automatic nonperformance renewal term   1 year            
Automatic nonperformance, non-exclusive renewal term   1 year            
Shares issued (shares)   19,200            
Percent of common stock issued   10.00%            
Related parties liabilities $ 20,000,000.0   $ 0   $ 0      
Profit share expense     $ 0 $ 0 $ 300,000 $ 300,000    
MGM | MGM | MGM Amendment                
Related Party Transaction [Line Items]                
Related parties liabilities $ 20,000,000.0              
Payment term 2 years              
Agreed private placement $ 50,000,000.0              
Equity contribution in settlement of liability 20,000,000.0              
Related Party Transaction, Amounts of Transaction $ 20,000,000.0