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Long-Term Compensation - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares available under the Stock Incentive Plan 3,300,000    
Amortization related to restricted stock/Unit awards and LTIP Unit Awards $ 12,931 $ 8,376 $ 7,586
Share-based Payment Arrangement, Amount Capitalized 2,030 870 472
Unrecognized compensation related to unvested Performance Awards $ 12,741    
Weighted average period of unrecognized compensation expected to be recognized 10 months 6 days    
Matching contributions in 401(k)/profit sharing plan $ 977 $ 926 $ 688
Management | Performance Awards/Performance Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance Units/RLP Unit Awards issued 59,263 36,064 179,288
Fair Value of Performance Awards/Service Awards issued $ 7,883 $ 2,527 $ 2,381
Management | Performance RLP Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance Units/RLP Unit Awards issued 322,477 166,942  
Management | Service Awards/Service Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance Units/RLP Unit Awards issued 80,387 109,353 227,059
Fair Value of Performance Awards/Service Awards issued $ 8,641 $ 7,627 $ 6,558
Vesting period of Awards issued 3 years    
Management | Service RLP Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Performance Units/RLP Unit Awards issued 119,596 112,428  
Director | Service Awards/Service Units      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Vesting period of Awards issued 1 year