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Stockholders' Equity - Narrative (Details) - USD ($)
3 Months Ended 12 Months Ended
Feb. 24, 2021
Mar. 16, 2020
Feb. 14, 2020
Jan. 15, 2020
Mar. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Mar. 31, 2020
Jan. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Shares authorized for issuance (in shares)           1,000,000,000.0        
Common stock, par value (in dollars per share)           $ 0.01 $ 0.01      
Preferred stock, shares authorized (in shares)           50,000,000 50,000,000      
Preferred stock, shares issued (in shares)           0 0      
Preferred stock, shares outstanding (in shares)           0 0      
Dividends and distributions declared per share of common stock (in dollars per share)   $ 0.10 $ 0.10 $ 0.10   $ 0.30 $ 1.65 $ 1.60    
Forecast                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Dividends and distributions declared per share of common stock (in dollars per share) $ 0.10       $ 0.10          
Class A                    
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                    
Common stock, par value (in dollars per share)                   $ 0.01
Common stock, shares authorized (in shares)           950,000,000.0 950,000,000      
Stock repurchase program, amount authorized for repurchase                 $ 300,000,000.0  
Shares repurchased under Stock Repurchase Program (in shares)           0