Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.3
Investments In Unconsolidated Joint Ventures (Summary Of Unconsolidated Joint Ventures) (Details)
$ in Thousands
 1 Months Ended 9 Months Ended
Feb. 28, 2019
USD ($)
Jan. 31, 2019
USD ($)
item
Jan. 30, 2019
USD ($)
Oct. 31, 2019
USD ($)
Sep. 30, 2019
USD ($)
ft²
item
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
Schedule of Equity Method Investments [Line Items]              
Number of Apartment Units | item         208    
Carrying Value         $ 213,499   $ 232,750
Purchase price of property         $ 109,338 $ 132,252  
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         295    
Number of approved units available for development | item         252    
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%    
Red Bank [Member]              
Schedule of Equity Method Investments [Line Items]              
Number of Apartment Units | item         836    
Residual ownership interest         20.00%    
Percentage of interest sold 50.00%            
Gain on sale $ 900            
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 2019    
The Shops At 40 Park Property [Member] | Metropolitan At 40 Park [Member] | Subsequent Event [Member]              
Schedule of Equity Method Investments [Line Items]              
Mortgage loan, maturity month and year       October 2021      
Lofts At 40 Park Property [Member] | Metropolitan At 40 Park [Member]              
Schedule of Equity Method Investments [Line Items]              
Number of Apartment Units | item         59    
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]              
Mortgage loan, maturity month and year         February 2020    
Lofts At 40 Park Property [Member] | Metropolitan At 40 Park [Member] | Subsequent Event [Member]              
Schedule of Equity Method Investments [Line Items]              
Property Debt, Interest Rate, Spread Over LIBOR       1.50%      
Lofts At 40 Park Property [Member] | Metropolitan At 40 Park [Member] | Subsequent Event [Member] | Construction Loan [Member]              
Schedule of Equity Method Investments [Line Items]              
Balance       $ 13,145      
Property Debt, Interest Rate, Spread Over LIBOR       2.50%      
Maximum borrowing capacity       $ 13,950      
Metropolitan Property [Member] | Metropolitan At 40 Park [Member]              
Schedule of Equity Method Investments [Line Items]              
Balance         $ 35,378    
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] | Marbella Tower Urban Renewal Associates LLC [Member]              
Schedule of Equity Method Investments [Line Items]              
Number of Apartment Units | item   311          
Company's Effective Ownership %     24.27%        
Balance   $ 117,000 $ 74,700        
Property Debt, Interest Rate, Spread Over LIBOR   4.20%          
Percentage of additional interest acquired   50.00% 50.00%        
Repayment of mortgage loans   $ 74,700          
Purchase price of property   $ 77,500          
Mortgage loan, maturity month and year         August 2026    
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         $ 7,346   7,679
Balance         $ 54,590    
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         $ 7,541   8,112
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         $ 28,903   29,570
Balance         $ 160,342    
Property Debt, Maturity Date         Apr. 01, 2020    
Property Debt, Interest Rate         3.17%    
Unconsolidated Joint Venture Multi-Family Properties [Member] | PI North - Riverwalk C [Member]              
Schedule of Equity Method Investments [Line Items]              
Number of Apartment Units | item         360    
Company's Effective Ownership %         40.00%    
Carrying Value         $ 35,474   27,175
Balance         $ 15,252    
Property Debt, Maturity Date         Dec. 06, 2021    
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         311    
Company's Effective Ownership %         24.27%    
Carrying Value             15,414
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         $ 1,032   1,272
Balance         $ 29,403    
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         $ 36,190   37,675
Balance         $ 97,279    
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         $ 80,673   85,317
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]              
Rentable Square Feet (sf) | ft²         92,878    
Company's Effective Ownership %         50.00%    
Carrying Value             3,127
Gain on sale $ 900            
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         $ 7,300   7,019
Balance         $ 6,681    
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         $ 3,507   3,442
Balance         $ 3,514    
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         $ 213,499   232,750
Balance         $ 741,061    
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%    
Carrying Value         $ 1,476   1,539
Unconsolidated Joint Venture Other Property [Member] | Hyatt Regency Jersey City [Member]              
Schedule of Equity Method Investments [Line Items]              
Number of Apartment Units | item         351    
Company's Effective Ownership %         50.00%    
Carrying Value           112
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         $ 80   $ 1,320