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Equity Based Compensation Plans - Restricted Stock Activity and LITP Units (Details) - $ / shares
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Restricted Stock        
Shares        
Unvested at beginning of year (in shares) 101,929 101,701 182,915 159,401
Granted (in shares) 52,300 2,315 72,838  
Vested (in shares) (24,002) (37,075) (44,945)  
Forfeited and canceled (in shares) (28,070) (46,454) (4,379)  
Unvested at end of year (in shares) 101,929 101,701 182,915 159,401
Weighted- average grant date fair value        
Unvested at beginning of year (in dollars per share) $ 197.22 $ 222.90 $ 251.03  
Granted (in dollars per share) 212.02 220.40 215.73  
Vested (in dollars per share) 187.32 247.07 306.25  
Forfeited and canceled (in dollars per share) 182.25 259.71 272.12  
Unvested at end of year (in dollars per share) 211.27 197.22 222.90  
Long Term Incentive Plans - Z Units and 2014 LTIP Units        
Weighted- average grant date fair value        
Unvested at beginning of year (in dollars per share) 86.16 84.47    
Unvested at end of year (in dollars per share) $ 85.80 $ 86.16 $ 84.47  
Total Vested and Outstanding Units        
Total outstanding units, beginning balance (in shares) 97,637 106,137    
Total outstanding units, converted (in shares) (30,142) (8,500)    
Total outstanding units, ending balance (in shares) 67,495 97,637 106,137