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Share Incentive and Other Compensation - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unit based compensation     $ 6,358,000 $ 7,135,000  
Trustee fees     800,000 800,000  
Total unrecognized compensation cost related to nonvested awards $ 21,400,000   $ 21,400,000    
Weighted-average period over which cost is expected to be recognized     1 year 7 months 6 days    
Fund V          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of promote awarded as share based compensation award     10.90%    
Performance Period Ending December 31, 2021          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period     3 years    
LTIP Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total fair value of shares that vested     $ 7,100,000   $ 7,500,000
LTIP Units | Trustee          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued during period, share-based compensation, net of forfeitures     28,555    
LTIP Units | Performance Period Ending December 31, 2021          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period     3 years    
Restricted shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total fair value of shares that vested     $ 800,000   800,000
Restricted shares | Trustee          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued during period, share-based compensation, net of forfeitures     29,935    
LTIP Units and Restricted Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Total value of restricted shares and LTIP units as of the grant date     $ 13,000,000.0   $ 12,600,000
Vesting rate of shares granted to trustees     33.00%    
Weighted average grant date fair value, grants (in dollars per share)     $ 21.17   $ 19.51
LTIP Units and Restricted Stock | Trustee          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period     3 years    
LTIP Units and Restricted Stock | General and Administrative Expense          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unit based compensation $ 2,200,000 $ 2,300,000   4,700,000  
LTIP Units and Restricted Stock | Performance Period Ending December 31, 2021          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting period     3 years    
LTIP Units and Restricted Stock | Performance Fails To Achieve, Earned Performance-Based Shares Vest At End Of Performance Period          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage     60.00%    
LTIP Units and Restricted Stock | Performance Fails To Achieve          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage     40.00%    
Award vesting period     2 years    
LTIP Units and Restricted Stock | Minimum | TSR percentile falls between the 25th percentile and the 50th percentile          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage     50.00%    
LTIP Units and Restricted Stock | Minimum | TSR percentile falls between the 50th percentile and 75th percentile          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage     100.00%    
LTIP Units and Restricted Stock | Maximum | TSR percentile falls between the 25th percentile and the 50th percentile          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage     100.00%    
LTIP Units and Restricted Stock | Maximum | TSR percentile falls between the 50th percentile and 75th percentile          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Award vesting percentage     200.00%    
Employee Benefit Plans          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense     $ 300,000 $ 300,000  
Share Incentive Plan          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized 1,490,135   1,490,135    
Share Incentive Plan | LTIP Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued during period, share-based compensation, net of forfeitures     600,672   636,646
Share Incentive Plan | Restricted shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shares issued during period, share-based compensation, net of forfeitures     13,178   11,244
Performance Shares2020 Member          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance period       3 years  
Performance Shares2021 Member          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Performance period     3 years    
Volatility rate     49.00% 48.00%  
Risk-free interest rates     1.70% 0.20%  
Long Term Investment Alignment Program          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Max percentage of future fund III promote that may be awarded to senior executives     25.00%    
Long Term Investment Alignment Program | Fund III          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of promote awarded as share based compensation award     25.00%    
Compensation expense     $ 400,000    
Long Term Investment Alignment Program | Fund IV          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Percentage of promote awarded as share based compensation award     23.10%    
Awards in connection with fund to have intrinsic value $ 0   $ 0   $ 0
Compensation expense         $ 0
Long Term Investment Alignment Program | Fund V          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Compensation expense     $ 100,000