XML 85 R74.htm IDEA: XBRL DOCUMENT v3.21.2
Related Parties - Additional Information (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2020
Related Party Transaction [Line Items]          
Fee and other income $ 7,641,000 $ 7,129,000 $ 15,661,000 $ 15,690,000  
Accounts and other receivables, net 13,366,000   13,366,000   $ 17,502,000
Property management, asset management, leasing and other related services fee income 6,201,000 6,209,000 12,871,000 12,539,000  
Transaction related costs 135,000 258,000 416,000 461,000  
Accounts payable and accrued expenses $ 103,895,000   $ 103,895,000   101,901,000
712 Fifth Avenue [Member]          
Related Party Transaction [Line Items]          
Equity method paramount ownership percentage 50.00%   50.00%    
CNBB-RDF Holdings Otto Family [Member] | Management Agreements [Member]          
Related Party Transaction [Line Items]          
Fee and other income $ 710,000 259,000 $ 1,227,000 707,000  
Accounts and other receivables, net 474,000   474,000   34,000
Unconsolidated Joint Ventures and Real Estate Funds [Member] | Management Agreements [Member]          
Related Party Transaction [Line Items]          
Accounts and other receivables, net 4,399,000   4,399,000   5,011,000
Property management, asset management, leasing and other related services fee income $ 4,916,000 5,396,000 $ 10,502,000 10,709,000  
Hamburg Trust Consulting GMBH ("HTC") [Member]          
Related Party Transaction [Line Items]          
Mark-up cost percentage 10.00%   10.00%    
Transaction related costs $ 123,000 126,000 $ 245,000 265,000  
Accounts payable and accrued expenses $ 123,000   $ 123,000   $ 123,000
Hamburg Trust Consulting GMBH ("HTC") [Member] | Chairman, Chief Executive Officer and President [Member]          
Related Party Transaction [Line Items]          
Percentage of ownership 100.00%   100.00%    
Mannheim Trust [Member] | Board of Director [Member] | 712 Fifth Avenue [Member]          
Related Party Transaction [Line Items]          
Equity method paramount ownership percentage 50.00%   50.00%    
Lease rental income $ 91,000 $ 90,000 $ 181,000 $ 181,000