v3.20.1
STOCKHOLDERS' EQUITY - Related Party Transactions (Details)
3 Months Ended
Sep. 30, 2018
item
Sep. 14, 2018
USD ($)
item
$ / shares
shares
Mar. 31, 2020
USD ($)
$ / shares
shares
Mar. 31, 2019
USD ($)
Dec. 31, 2019
USD ($)
2.95% Senior Unsecured Convertible Notes due 2024          
Related Party Transactions          
Principal balance   $ 600,000,000.0 $ 600,000,000.0   $ 600,000,000.0
Price per share (in dollars per share) | $ / shares     $ 3.16    
Maximum          
Related Party Transactions          
Ownership percentage     50.00%    
Class A common stock | 2.95% Senior Unsecured Convertible Notes due 2024          
Related Party Transactions          
Number of shares upon conversion 31,662,269   31,662,269    
Class B common stock          
Related Party Transactions          
Common stock repurchased and cancellation (in shares) | shares   24,057,143      
Value of stock repurchased and canceled   $ 421,000,000.0      
Price per share (in dollars per share) | $ / shares   $ 17.50      
Legal fees   $ 2,600,000      
Class B common stock | 2.95% Senior Unsecured Convertible Notes due 2024          
Related Party Transactions          
Number of shares upon conversion | item   5,666,000      
Wanda          
Related Party Transactions          
Receivable due from related party     $ 400,000   $ 800,000
Reimbursements     $ 100,000 $ 100,000  
Period following ROFR execution during which certain shares may be purchased   2 years      
Wanda | ROFR agreement | Minimum          
Related Party Transactions          
Combined voting power held in Holdings (as a percent)   50.10%      
Silver Lake | 2.95% Senior Unsecured Convertible Notes due 2024          
Related Party Transactions          
Principal balance   $ 600,000,000.0      
Silver Lake | Wanda | ROFR agreement          
Related Party Transactions          
Period following ROFR execution during which certain shares may be purchased   2 years      
Wanda          
Related Party Transactions          
Combined voting power held in Holdings (as a percent)     74.72%    
Ownership percentage     49.63%    
Wanda | Class A common stock          
Related Party Transactions          
Voting ratio between Class B and Class A common stock     three-to-one voting ratio    
Wanda | Class B common stock          
Related Party Transactions          
Shares owned | shares     51,769,784    
Number of shares upon conversion     5,666,000