Annual report pursuant to Section 13 and 15(d)

Commitments And Contingencies (Tax Abatement Agreements) (Details)

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Commitments And Contingencies (Tax Abatement Agreements) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Commitments And Contingencies [Line Items]      
Payments in lieu of property taxes (PILOT) $ 13,215 $ 13,516 $ 13,914
Port Imperial South 1/3 Garage [Member]      
Commitments And Contingencies [Line Items]      
Payments in lieu of property taxes (PILOT)   303 289
Port Imperial South 1/3 Garage [Member] | Years 1-5 [Member]      
Commitments And Contingencies [Line Items]      
Annual percentage of cost for phase in 100.00%    
Port Imperial South 1/3 Garage [Member] | Years 2-5 [Member]      
Commitments And Contingencies [Line Items]      
Annual percentage of cost for phase in 95.00%    
BLVD 475 N/S [Member]      
Commitments And Contingencies [Line Items]      
Payments in lieu of property taxes (PILOT) $ 443 1,811 2,149
Percentage of PILOT on gross revenues 10.00%    
111 River Realty [Member]      
Commitments And Contingencies [Line Items]      
Payments in lieu of property taxes (PILOT) $ 1,470 1,470 1,406
Harborside Financial Center Plaza 4A [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 2.00%    
Total project costs $ 49,500    
Payments in lieu of property taxes (PILOT) $ 1,057 1,062 1,080
Harborside Financial Center Plaza 5 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 2.00%    
Total project costs $ 170,900    
Payments in lieu of property taxes (PILOT) 4,324 4,415 4,352
BLVD 401 [Member]      
Commitments And Contingencies [Line Items]      
Payments in lieu of property taxes (PILOT) $ 1,277 1,151 1,394
BLVD 401 [Member] | Years 1-4 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 10.00%    
BLVD 401 [Member] | Years 5-8 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 12.00%    
BLVD 401 [Member] | Years 9-10 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 14.00%    
Riverhouse 11 at Port Imperial [Member]      
Commitments And Contingencies [Line Items]      
Payments in lieu of property taxes (PILOT) $ 1,369 1,143 1,030
Riverhouse 11 at Port Imperial [Member] | Years 1-5 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 12.00%    
Riverhouse 11 at Port Imperial [Member] | Years 6-10 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 13.00%    
Riverhouse 11 at Port Imperial [Member] | Years 11-15 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 14.00%    
Port Imperial South 4/5 Garage [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 2.00%    
Payments in lieu of property taxes (PILOT) $ 2,925 $ 2,161 $ 2,214
Riverhouse 9 At Port Imperia [Member]      
Commitments And Contingencies [Line Items]      
Payments in lieu of property taxes (PILOT) $ 350    
Riverhouse 9 At Port Imperia [Member] | Years 1-10 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 11.00%    
Riverhouse 9 At Port Imperia [Member] | Years 11-18 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 12.50%    
Riverhouse 9 At Port Imperia [Member] | Years 19-25 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on project costs 14.00%    
Haus 25 [Member]      
Commitments And Contingencies [Line Items]      
Project period 25 years    
Percentage of PILOT on project costs 7.00%    
Park Apartments at Port Imperial [Member]      
Commitments And Contingencies [Line Items]      
Project period 25 years    
Park Apartments at Port Imperial [Member] | Years 1-10 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on gross revenues 11.00%    
Park Apartments at Port Imperial [Member] | Years 11-18 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on gross revenues 12.50%    
Park Apartments at Port Imperial [Member] | Years 19-25 [Member]      
Commitments And Contingencies [Line Items]      
Percentage of PILOT on gross revenues 14.00%