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Share and Unit-Based Plans - Narrative (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 01, 2020
Jan. 01, 2020
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Sep. 30, 2020
USD ($)
Sep. 30, 2019
USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Capitalized share and unit-based compensation costs     $ 626 $ 993 $ 2,946 $ 3,598
Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Conversion rate of shares         1  
Unrecognized compensation cost of share and unit-based plans     2,844   $ 2,844  
LTIP Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Conversion rate of shares         1  
Unrecognized compensation cost of share and unit-based plans     6,395   $ 6,395  
LTIP Units | January 1, 2020            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Risk free interest rate   1.62%        
Volatility   26.08%        
LTIP Units | March 1, 2020            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Risk free interest rate 0.85%          
Volatility 28.34%          
Phantom Stock Units            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Unrecognized compensation cost of share and unit-based plans     $ 280   $ 280