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Shareholders' Equity / Partners' Capital - Common Stock Offerings (Details) - USD ($)
1 Months Ended 6 Months Ended 15 Months Ended
Jul. 31, 2021
May 31, 2021
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Class of Stock [Line Items]          
Offering cost     $ 200,000 $ 0  
Public Stock Offering | Class A common shares/units          
Class of Stock [Line Items]          
Number of shares sold (in shares)   18,745,000      
Par value (in dollars per share)   $ 0.01      
Public Stock Offering - Issued Directly By The Company | Class A common shares/units          
Class of Stock [Line Items]          
Number of shares sold (in shares)   5,500,000      
Proceeds from sale of stock   $ 194,000,000.0      
Offering cost   $ 200,000      
Public Stock Offering - Forward Sales Agreement | Class A common shares/units          
Class of Stock [Line Items]          
Number of shares sold (in shares)   13,245,000      
Public Stock Offering - Forward Sales Agreement | Class A common shares/units | Forecast          
Class of Stock [Line Items]          
Proceeds from sale of stock $ 467,300,000        
At the Market - Common Share Offering Program | Class A common shares/units          
Class of Stock [Line Items]          
Shares authorized for future issuance, value       $ 500,000,000.0  
Shares issued (in shares)     0 0 86,130,000,000
Shares available for future issuance, value     $ 497,600,000   $ 497,600,000