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Related Parties - Additional Information (Details)
3 Months Ended
Mar. 31, 2024
USD ($)
ft²
Mar. 31, 2023
USD ($)
Dec. 31, 2023
USD ($)
Related Party Transaction [Line Items]      
Fee and other income $ 9,154,000 $ 6,761,000  
Accounts and other receivables 16,048,000   $ 18,053,000
Fee income 6,248,000 4,557,000  
Transaction related costs 178,000 128,000  
Accounts payable and accrued expenses $ 115,038,000   114,463,000
Area of leased properties | ft² 13,800,000    
Rental revenue $ 179,723,000 181,713,000  
712 Fifth Avenue [Member]      
Related Party Transaction [Line Items]      
Equity method paramount ownership percentage 50.00%    
CNBB-RDF Holdings Otto Family [Member] | Management Agreements [Member]      
Related Party Transaction [Line Items]      
Fee and other income $ 177,000 263,000  
Accounts and other receivables 32,000   40,000
Unconsolidated Joint Ventures and Real Estate Funds [Member] | Management Agreements [Member]      
Related Party Transaction [Line Items]      
Accounts and other receivables 2,884,000   2,552,000
Fee income $ 5,363,000 3,653,000  
Hamburg Trust Consulting GMBH ("HTC") [Member]      
Related Party Transaction [Line Items]      
Mark-up cost percentage 10.00%    
Transaction related costs $ 123,000 117,000  
Accounts payable and accrued expenses $ 101,000   $ 102,000
Hamburg Trust Consulting GMBH ("HTC") [Member] | Chairman, Chief Executive Officer and President [Member]      
Related Party Transaction [Line Items]      
Percentage of ownership 100.00%    
Mannheim Trust [Member] | Board of Director [Member] | 712 Fifth Avenue [Member]      
Related Party Transaction [Line Items]      
Lease rental income $ 30,000 93,000  
Mannheim Trust [Member] | Board of Director [Member] | 712 Fifth Avenue [Member] | Lease expiring in June 2025 [Member]      
Related Party Transaction [Line Items]      
Area of leased properties | ft² 3,127    
Equity method paramount ownership percentage 50.00%    
ParkProperty Capital LP [Member] | Board of Director [Member]      
Related Party Transaction [Line Items]      
Rental revenue $ 71,000 $ 69,000  
ParkProperty Capital LP [Member] | Board of Director [Member] | 1325 Avenue of the Americas [Member]      
Related Party Transaction [Line Items]      
Area of leased properties | ft² 4,233    
Kramer Design Services [Member]      
Related Party Transaction [Line Items]      
Business development costs incurred $ 25,000    
Kramer Design Services [Member] | Chairman, Chief Executive Officer and President [Member]      
Related Party Transaction [Line Items]      
Percentage of ownership 100.00%