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Share-based Compensation (Other than Options Award Activity) (Schedules) (Details) - $ / shares
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
RSUs      
Weighted average grant-date fair value per share      
Granted (in dollars per shares) $ 25.51 $ 25.69 $ 15.66
RSUs | Class A      
Number of awards      
Outstanding at beginning of period (in shares) 2,625,839    
Granted (in shares) 1,018,770    
Forfeited (in shares) (155,581)    
Released from restrictions (in shares) (1,503,607)    
Impact of dispositions (in shares) (758)    
Outstanding at end of period (in shares) 1,984,663 2,625,839  
Weighted average grant-date fair value per share      
Outstanding at beginning of period (in dollars per shares) $ 21.16    
Granted (in dollars per shares) 25.21    
Forfeited (in dollars per share) 23.09    
Released from restrictions (in dollars per shares) 21.38    
Impact of dispositions (in dollar per shares) 22.04    
Outstanding at end of period (in dollars per shares) $ 22.92 $ 21.16  
Weighted average remaining contractual term      
Outstanding at end of period 1 year 3 months 18 days    
RSUs | Class A | Former Employees      
Number of awards      
Outstanding at end of period (in shares) 32,581    
Weighted average grant-date fair value per share      
Outstanding at end of period (in dollars per shares) $ 23.27    
Weighted average remaining contractual term      
Outstanding at end of period 10 months 24 days    
RSUs | Class C      
Number of awards      
Outstanding at beginning of period (in shares) 5,250,912    
Granted (in shares) 2,037,538    
Forfeited (in shares) (310,642)    
Released from restrictions (in shares) (3,007,514)    
Impact of dispositions (in shares) (1,516)    
Outstanding at end of period (in shares) 3,968,778 5,250,912  
Weighted average grant-date fair value per share      
Outstanding at beginning of period (in dollars per shares) $ 20.63    
Granted (in dollars per shares) 25.69    
Forfeited (in dollars per share) 22.85    
Released from restrictions (in dollars per shares) 21.02    
Impact of dispositions (in dollar per shares) 23.19    
Outstanding at end of period (in dollars per shares) $ 22.75 $ 20.63  
Weighted average remaining contractual term      
Outstanding at end of period 1 year 3 months 18 days    
RSUs | Class C | Former Employees      
Number of awards      
Outstanding at end of period (in shares) 66,370    
Weighted average grant-date fair value per share      
Outstanding at end of period (in dollars per shares) $ 22.78    
Weighted average remaining contractual term      
Outstanding at end of period 10 months 24 days    
RSUs | Class B      
Number of awards      
Outstanding at beginning of period (in shares) 0    
Granted (in shares) 71,051    
Released from restrictions (in shares) (63,161)    
Outstanding at end of period (in shares) 7,890 0  
Weighted average grant-date fair value per share      
Outstanding at beginning of period (in dollars per shares) $ 0    
Granted (in dollars per shares) 24.46    
Released from restrictions (in dollars per shares) 24.36    
Outstanding at end of period (in dollars per shares) $ 25.24 $ 0  
Weighted average remaining contractual term      
Outstanding at end of period 2 months 12 days    
PSUs | Class A      
Number of awards      
Outstanding at beginning of period (in shares) 933,511    
Forfeited (in shares) (2,929)    
Released from restrictions (in shares) (930,582)    
Outstanding at end of period (in shares) 0 933,511  
Weighted average grant-date fair value per share      
Outstanding at beginning of period (in dollars per shares) $ 25.97    
Forfeited (in dollars per share) 25.97    
Released from restrictions (in dollars per shares) 25.97    
Outstanding at end of period (in dollars per shares) $ 0 $ 25.97  
PSUs | Class C      
Number of awards      
Outstanding at beginning of period (in shares) 1,867,022    
Forfeited (in shares) (5,856)    
Released from restrictions (in shares) (1,861,166)    
Outstanding at end of period (in shares) 0 1,867,022  
Weighted average grant-date fair value per share      
Outstanding at beginning of period (in dollars per shares) $ 25.22    
Forfeited (in dollars per share) 25.22    
Released from restrictions (in dollars per shares) 25.22    
Outstanding at end of period (in dollars per shares) $ 0 $ 25.22