Quarterly report pursuant to Section 13 or 15(d)

Commitments And Contingencies (Tax Abatement Agreements) (Narrative) (Details)

v3.21.2
Commitments And Contingencies (Tax Abatement Agreements) (Narrative) (Details) - USD ($)
 3 Months Ended 6 Months Ended 16 Months Ended 60 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Apr. 30, 2017
Apr. 30, 2022
Harborside Plaza 4-A [Member]            
Commitments And Contingencies [Line Items]            
Project period     20 years      
Percentage of PILOT on project costs     2.00%      
Total project costs     $ 49,500,000      
Payments in lieu of property taxes (PILOT) $ 264,000,000,000 $ 264,000 $ 528,000 $ 528,000    
Harborside Plaza 5 [Member]            
Commitments And Contingencies [Line Items]            
Project period     20 years      
Percentage of PILOT on project costs     2.00%      
Total project costs     $ 170,900,000      
Payments in lieu of property taxes (PILOT) 1,100,000 1,100,000 $ 2,200,000 2,200,000    
Port Imperial South 1/3 Garage [Member]            
Commitments And Contingencies [Line Items]            
Project period     5 years      
Percentage of taxes paid based on the land value     100.00%      
Port Imperial South 1/3 Garage [Member] | Tax Year 1 [Member]            
Commitments And Contingencies [Line Items]            
Annual percentage of cost for phase in     1.00%      
Port Imperial South 1/3 Garage [Member] | Tax Year 2 [Member]            
Commitments And Contingencies [Line Items]            
Annual percentage of cost for phase in     95.00%      
Port Imperial South 1/3 Garage [Member] | Tax Year 3 [Member]            
Commitments And Contingencies [Line Items]            
Annual percentage of cost for phase in     95.00%      
Port Imperial South 1/3 Garage [Member] | Tax Year 4 [Member]            
Commitments And Contingencies [Line Items]            
Annual percentage of cost for phase in     95.00%      
Port Imperial South 1/3 Garage [Member] | Tax Year 5 [Member]            
Commitments And Contingencies [Line Items]            
Annual percentage of cost for phase in     95.00%      
Port Imperial Hotel Development [Member]            
Commitments And Contingencies [Line Items]            
Project period     15 years      
Percentage of PILOT on project costs     2.00%      
Payments in lieu of property taxes (PILOT) 500,000 500,000 $ 1,000,000.0 1,100,000    
Port Imperial South 11 Development [Member]            
Commitments And Contingencies [Line Items]            
Project period     15 years      
Payments in lieu of property taxes (PILOT) 400,000 300,000 $ 700,000 600,000    
Percentage of PILOT on gross revenues     10.00%      
111 River Realty [Member]            
Commitments And Contingencies [Line Items]            
Payments in lieu of property taxes (PILOT) 400,000 400,000 $ 700,000 700,000    
Annual Payments in lieu of property taxes (PILOT)         $ 1,200,000  
111 River Realty [Member] | Scenario, Forecast [Member]            
Commitments And Contingencies [Line Items]            
Annual Payments in lieu of property taxes (PILOT)           $ 1,400,000
Monaco (BLVD 495 N/S) [Member]            
Commitments And Contingencies [Line Items]            
Project period     10 years      
Percentage of PILOT on project costs     10.00%      
Payments in lieu of property taxes (PILOT) 0 500,000 $ 500,000 1,100,000    
Marbella II [Member]            
Commitments And Contingencies [Line Items]            
Project period     10 years      
Payments in lieu of property taxes (PILOT) $ 300,000 $ 300,000 $ 600,000 $ 600,000    
Marbella II [Member] | Years 1-4 [Member]            
Commitments And Contingencies [Line Items]            
Percentage of PILOT on project costs     10.00%      
Marbella II [Member] | Years 5-8 [Member]            
Commitments And Contingencies [Line Items]            
Percentage of PILOT on project costs     12.00%      
Marbella II [Member] | Years 9-10 [Member]            
Commitments And Contingencies [Line Items]            
Percentage of PILOT on project costs     14.00%      
Port Imperial South 9 [Member]            
Commitments And Contingencies [Line Items]            
Project period     25 years      
Total project costs     $ 143,800,000      
Port Imperial South 9 [Member] | Years 1-10 [Member]            
Commitments And Contingencies [Line Items]            
Percentage of PILOT on project costs 11.00%          
Port Imperial South 9 [Member] | Years 11-18 [Member]            
Commitments And Contingencies [Line Items]            
Percentage of PILOT on gross revenues     12.50%      
Port Imperial South 9 [Member] | Years 19-25 [Member]            
Commitments And Contingencies [Line Items]            
Percentage of PILOT on gross revenues     14.00%      
Port Imperial South Park Parcel [Member]            
Commitments And Contingencies [Line Items]            
Project period     25 years      
Percentage of PILOT on gross revenues     10.00%