Quarterly report pursuant to Section 13 or 15(d)

Investments In Unconsolidated Joint Ventures (Summary Of Unconsolidated Joint Ventures) (Details)

v3.20.1
Investments In Unconsolidated Joint Ventures (Summary Of Unconsolidated Joint Ventures) (Details)
$ in Thousands
1 Months Ended 3 Months Ended
Feb. 28, 2019
Oct. 31, 2019
USD ($)
Mar. 31, 2020
USD ($)
ft²
item
Mar. 31, 2019
USD ($)
Mar. 12, 2020
Dec. 31, 2019
USD ($)
Aug. 01, 2019
Jan. 31, 2019
Schedule of Equity Method Investments [Line Items]                
Carrying Value     $ 202,574     $ 209,091    
Purchase price of property     $ 62,992 $ 37,733        
Minimum [Member]                
Schedule of Equity Method Investments [Line Items]                
Company's Effective Ownership %     20.00%          
Maximum [Member]                
Schedule of Equity Method Investments [Line Items]                
Company's Effective Ownership %     85.00%          
Crystal House [Member]                
Schedule of Equity Method Investments [Line Items]                
Percentage of interest in developable land     50.00%          
Number of units available for development | item     738          
PI North - Riverwalk C [Member] | Construction Loan [Member]                
Schedule of Equity Method Investments [Line Items]                
Maximum borrowing capacity     $ 112,000          
Urby At Harborside [Member] | Construction/Permanent Loan [Member]                
Schedule of Equity Method Investments [Line Items]                
Company's Effective Ownership %     85.00%          
PI North - Land [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     836          
Residual ownership interest     20.00%          
12 Vreeland Road [Member]                
Schedule of Equity Method Investments [Line Items]                
Impairment charge     $ 3,700          
The Shops At 40 Park Property [Member] | Metropolitan At 40 Park [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²     50,973          
Balance     $ 6,067          
Property Debt, Interest Rate, Spread Over LIBOR   2.25%            
Residual ownership interest     25.00%          
Mortgage loan, maturity month and year   October 2021 October 2019          
Lofts At 40 Park Property [Member] | Metropolitan At 40 Park [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     59          
Property Debt, Interest Rate, Spread Over LIBOR     2.25%          
Indirect ownership interest     50.00%          
Number of stories | item     5          
Lofts At 40 Park Property [Member] | Metropolitan At 40 Park [Member] | Construction Loan [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Interest Rate, Spread Over LIBOR   1.50%            
Maximum borrowing capacity   $ 18,200            
Mortgage loan, maturity month and year   January 2023            
Metropolitan Property [Member] | Metropolitan At 40 Park [Member]                
Schedule of Equity Method Investments [Line Items]                
Balance     $ 34,943          
Property Debt, Interest Rate     3.25%          
Mortgage loan, maturity month and year     September 2020          
Unconsolidated Joint Venture Multi-Family Properties [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     2,611          
Unconsolidated Joint Venture Multi-Family Properties [Member] | Metropolitan At 40 Park [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     189          
Company's Effective Ownership %     25.00%          
Carrying Value     $ 4,368     7,257    
Balance     $ 59,210          
Unconsolidated Joint Venture Multi-Family Properties [Member] | RiverTrace At Port Imperial [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     316          
Company's Effective Ownership %     22.50%          
Carrying Value     $ 7,190     7,463    
Balance     $ 82,000          
Property Debt, Maturity Date     Nov. 10, 2026          
Property Debt, Interest Rate     3.21%          
Unconsolidated Joint Venture Multi-Family Properties [Member] | Crystal House [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     825          
Company's Effective Ownership %     25.00%          
Carrying Value     $ 28,662     28,823    
Balance     $ 158,635          
Property Debt, Maturity Date     Jun. 01, 2020          
Property Debt, Interest Rate     3.50%          
Unconsolidated Joint Venture Multi-Family Properties [Member] | PI North - Riverwalk C [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Interest Rate     2.75%          
Unconsolidated Joint Venture Multi-Family Properties [Member] | Marbella II [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     360          
Company's Effective Ownership %     40.00%       24.27% 50.00%
Carrying Value     $ 35,653     35,527    
Balance     $ 41,773          
Property Debt, Maturity Date     Dec. 06, 2021          
Unconsolidated Joint Venture Multi-Family Properties [Member] | Riverpark At Harrison [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     141          
Company's Effective Ownership %     45.00%          
Carrying Value     $ 956     1,015    
Balance     $ 29,117          
Property Debt, Maturity Date     Aug. 01, 2025          
Property Debt, Interest Rate     3.70%          
Unconsolidated Joint Venture Multi-Family Properties [Member] | Station House [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     378          
Company's Effective Ownership %     50.00%          
Carrying Value     $ 35,209     35,676    
Balance     $ 96,438          
Property Debt, Maturity Date     Jul. 01, 2033          
Property Debt, Interest Rate     4.82%          
Unconsolidated Joint Venture Multi-Family Properties [Member] | Urby At Harborside [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     762          
Company's Effective Ownership %     85.00%          
Carrying Value     $ 78,532     79,790    
Balance     $ 192,000          
Property Debt, Maturity Date     Aug. 01, 2029          
Property Debt, Interest Rate     5.197%          
Unconsolidated Joint Venture Multi-Family Properties [Member] | PI North - Land [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     836          
Company's Effective Ownership %     20.00%          
Carrying Value     $ 1,678     1,678    
Unconsolidated Joint Venture Multi-Family Properties [Member] | Liberty Landing [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     850          
Company's Effective Ownership %     50.00%          
Carrying Value     $ 337     337    
Unconsolidated Joint Venture Multi-Family Properties [Member] | Hillsborough 206 [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²     160,000          
Company's Effective Ownership %     50.00%          
Carrying Value     $ 1,962     1,962    
Unconsolidated Joint Venture Office Buildings [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²     200,000          
Unconsolidated Joint Venture Office Buildings [Member] | Red Bank [Member]                
Schedule of Equity Method Investments [Line Items]                
Percentage of interest sold 50.00%              
Unconsolidated Joint Venture Office Buildings [Member] | 12 Vreeland Road [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²     139,750          
Company's Effective Ownership %     50.00%          
Carrying Value     $ 3,957     3,846    
Balance     $ 5,850          
Property Debt, Maturity Date     Jul. 01, 2023          
Property Debt, Interest Rate     2.87%          
Unconsolidated Joint Venture Office Buildings [Member] | Offices At Crystal Lake [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²     106,345          
Company's Effective Ownership %     31.25%          
Carrying Value     $ 3,541     3,521    
Balance     $ 3,128          
Property Debt, Maturity Date     Nov. 01, 2023          
Property Debt, Interest Rate     4.76%          
Unconsolidated Joint Venture Other Property [Member]                
Schedule of Equity Method Investments [Line Items]                
Carrying Value     $ 202,574     209,091    
Balance     $ 768,151          
Unconsolidated Joint Venture Other Property [Member] | Riverwalk Retail [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²     30,745          
Company's Effective Ownership %     20.00%   80.00%      
Carrying Value           1,467    
Unconsolidated Joint Venture Other Property [Member] | Hyatt Regency Hotel Jersey City [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item     351          
Company's Effective Ownership %     50.00%          
Carrying Value              
Balance     $ 100,000          
Property Debt, Maturity Date     Oct. 01, 2026          
Property Debt, Interest Rate     3.668%          
Unconsolidated Joint Venture Other Property [Member] | Other [Member]                
Schedule of Equity Method Investments [Line Items]                
Carrying Value     $ 529     $ 729