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Equity Incentive Plan - Additional Information (Details) - USD ($)
$ / shares in Units, $ in Millions
1 Months Ended 12 Months Ended
Feb. 29, 2024
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of shares authorized (in shares)   6,828,527      
Common shares available for future grant (in shares)   2,052,589      
Restricted share awards          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Unvested restricted shares   1,589,289 2,305,303 2,267,870 2,380,283
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value   $ 11.74 $ 13.52 $ 15.32 $ 15.43
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   925,731 991,453 569,600  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value   $ 11.57 $ 10.84 $ 15.10  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period   (1,610,821) (928,192) (647,426)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value   $ 14.20 $ 15.07 $ 15.65  
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period   (30,924) (25,828) (34,587)  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value   $ 11.00 $ 13.13 $ 13.15  
Share grants to trustees   $ 11.7 $ 15.4 $ 14.4  
Total unrecognized compensation costs   $ 10.9      
Weighted-average period of recognition of unrecognized share-based compensation expense   1 year 8 months 12 days      
Total fair value of shares vested   $ 17.8 $ 9.9 $ 9.0  
2021 Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 253,000       431,151
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value         $ 20.90
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate         0.23%
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate         69.47%
Total fair value of shares vested   $ 3.0      
Share-Based Compensation Arrangement by Share-Based Payment Award, Contingent on Absolute Total Shareholder Return   25.00%      
Share-Based Compensation Arrangement by Share-Based Payment Award, Contingent on Relative Total Shareholder Return   75.00%      
2021 Performance Shares | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-based compensation arrangement by share based payment award, conversion percentage of units granted in period         0
Shared-based compensation arrangement by share based payment award, conversion percentage of units granted in period   0.00%      
2021 Performance Shares | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-based compensation arrangement by share based payment award, conversion percentage of units granted in period         200
Shared-based compensation arrangement by share based payment award, conversion percentage of units granted in period   200.00%      
2022 Performance Units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period       407,024  
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value       $ 21.96  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate       1.70%  
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate       70.15%  
2022 Performance Units | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-based compensation arrangement by share based payment award, conversion percentage of units granted in period       0  
2022 Performance Units | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-based compensation arrangement by share based payment award, conversion percentage of units granted in period       200  
2023 Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     574,846    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 16.90    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate     4.33%    
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate     66.70%    
2023 Performance Shares | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-Based Compensation Arrangement by Share-Based Payment Award, Conversion Percentage Range     0.00%    
2023 Performance Shares | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-Based Compensation Arrangement by Share-Based Payment Award, Conversion Percentage Range     200.00%    
Performance units          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share grants to trustees   $ 9.1 $ 8.9 $ 7.3  
Total unrecognized compensation costs   $ 11.6      
Weighted-average period of recognition of unrecognized share-based compensation expense   1 year 8 months 12 days      
Share Based Compensation Arrangement by Share Based Payment Award, Performance Based Vesting Period   3 years      
Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Share Based Awards Other Than Options Percentage Of Grant Date Fair Value Recognized Over Three Years   100.00%      
Employee Service Share Based Compensation Nonvested Awards For First Fifty Percent Compensation Cost Not Yet Recognized Period For Recognition   3 years      
Share-based compensation arrangement, by share based payment award, vesting rights percentage immediately   100.00%      
2024 Performance Shares          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   703,325      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate   4.43%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate   35.60%      
Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share   $ 15.13      
Shared-based compensation arrangement by share based payment award, absolute total shareholder return minimum before payout percentage reduction   0      
Shared-based compensation arrangement by share based payment award, payout percentage reduction   25.00%      
Shared-based compensation arrangement by share based payment award, payout percentage cap   115.00%      
Shared-based compensation arrangement by share based payment award, maximum absolute total shareholder return decline before payout percentage cap   15.00%      
2024 Performance Shares | Minimum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-Based Compensation Arrangement by Share-Based Payment Award, Conversion Percentage Range   0.00%      
2024 Performance Shares | Maximum          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Shared-Based Compensation Arrangement by Share-Based Payment Award, Conversion Percentage Range   200.00%