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Stock Transactions and Unit Redemptions - Additional Information (Details)
$ / shares in Units, $ in Thousands
 1 Months Ended 3 Months Ended
Feb. 28, 2021
$ / shares
shares
Jan. 31, 2021
$ / shares
shares
Mar. 31, 2021
USD ($)
vote
shares
class
$ / shares
Mar. 31, 2020
shares
Feb. 17, 2021
shares
Dec. 31, 2020
$ / shares
shares
Dec. 31, 2019
shares
Class of Stock              
Number of authorized classes of common stock | class     2        
Number of shares authorized to be repurchased (in shares)         400,000,000.0    
Common Class A              
Class of Stock              
Common stock, votes per share | vote     1        
Common stock, shares authorized (in shares)     1,000,000,000     1,000,000,000  
Common stock, par value (in usd per share) | $ / shares     $ 0.01     $ 0.01  
Common stock, shares outstanding (in shares)     163,113,922 156,701,746   161,175,894 156,265,461
Treasury stock repurchases (in shares) 0 0 879,243 0      
Shares repurchased price (in dollars per share) | $ / shares $ 0 $ 0 $ 10.57        
Share repurchase and redemption unit remaining authorized amount | $     $ 390,386        
Common Class B              
Class of Stock              
Common stock, votes per share | vote     10        
Common stock, shares authorized (in shares)     500,000,000     500,000,000  
Common stock, par value (in usd per share) | $ / shares     $ 0.01     $ 0.01  
Conversion of common stock (in shares)     1        
Common stock, shares outstanding (in shares)     21,285,533     21,285,533