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Related Parties - Additional Information (Details)
3 Months Ended
Mar. 31, 2023
USD ($)
ft²
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
ft²
Related Party Transaction [Line Items]      
Fee and other income $ 6,761,000 $ 13,763,000  
Accounts and other receivables 19,409,000   $ 23,866,000
Fee income 4,557,000 11,988,000  
Transaction related costs 128,000 117,000  
Accounts payable and accrued expenses $ 118,932,000   123,176,000
Area of leased properties | ft² 13,800,000    
Rental revenue $ 181,713,000 169,922,000  
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 $ 263,000 489,000  
Accounts and other receivables 49,000   52,000
Unconsolidated Joint Ventures and Real Estate Funds [Member] | Management Agreements [Member]      
Related Party Transaction [Line Items]      
Accounts and other receivables 2,583,000   3,032,000
Fee income $ 3,653,000 10,783,000  
Hamburg Trust Consulting GMBH ("HTC") [Member]      
Related Party Transaction [Line Items]      
Mark-up cost percentage 10.00%    
Transaction related costs $ 117,000 389,000  
Accounts payable and accrued expenses $ 117,000   $ 119,000
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 $ 93,000 91,000  
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 $ 69,000 $ 54,000  
ParkProperty Capital LP [Member] | Board of Director [Member] | 1633 Broadway [Member]      
Related Party Transaction [Line Items]      
Area of leased properties | ft² 3,330    
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
Lease term     5 years