v3.25.2
Investments in Partially Owned Entities (Schedule of Investments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2025
Dec. 31, 2024
Schedule Of Equity Method Investments    
Carrying amount of investments in partially owned entities $ 2,003,206 $ 2,691,478
Other liabilities    
Schedule Of Equity Method Investments    
Carrying amount of investments in partially owned entities $ (89,651) (89,530)
Fifth Avenue and Times Square JV    
Schedule Of Equity Method Investments    
Interest 51.50%  
Carrying amount of investments in partially owned entities $ 1,553,904 2,235,546
Partially owned office buildings/land    
Schedule Of Equity Method Investments    
Carrying amount of investments in partially owned entities $ 180,700 186,190
Alexander's    
Schedule Of Equity Method Investments    
Interest 32.40%  
Carrying amount of investments in partially owned entities $ 58,759 68,492
Other investments    
Schedule Of Equity Method Investments    
Carrying amount of investments in partially owned entities $ 209,843 201,250
7 West 34th Street    
Schedule Of Equity Method Investments    
Interest 53.00%  
7 West 34th Street | Other liabilities    
Schedule Of Equity Method Investments    
Carrying amount of investments in partially owned entities $ (67,170) (70,552)
85 Tenth Avenue    
Schedule Of Equity Method Investments    
Interest 49.90%  
85 Tenth Avenue | Other liabilities    
Schedule Of Equity Method Investments    
Carrying amount of investments in partially owned entities $ (22,481) $ (18,978)