Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.1
Investments In Unconsolidated Joint Ventures (Summary Of Unconsolidated Joint Ventures) (Details)
$ in Thousands
 3 Months Ended
Feb. 28, 2019
USD ($)
Jan. 31, 2019
USD ($)
item
Jan. 30, 2019
USD ($)
Mar. 31, 2019
USD ($)
ft²
item
Mar. 31, 2018
USD ($)
Dec. 31, 2018
USD ($)
Schedule of Equity Method Investments [Line Items]            
Carrying Value       $ 212,961   $ 232,750
Purchase price of property       $ 43,307 $ 55,935  
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, Maturity Date       Sep. 01, 2019    
Property Debt, Interest Rate, Spread Over LIBOR       2.25%    
Residual ownership interest       25.00%    
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]            
Balance       $ 13,145    
Property Debt, Maturity Date       Feb. 01, 2020    
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       $ 35,800    
Property Debt, Maturity Date       Sep. 01, 2020    
Property Debt, Interest Rate       3.25%    
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, Maturity Date       Aug. 01, 2026    
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        
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       $ 7,601   7,679
Balance       $ 55,012    
Property Debt, Interest Rate          
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       $ 7,944   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       $ 29,344   29,570
Balance       $ 161,994    
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       $ 29,568   27,175
Property Debt, Maturity Date       Dec. 06, 2021    
Property Debt, Interest Rate, LIBOR       L+2.75    
Property Debt, Interest Rate, Spread Over LIBOR       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       $ 1,204   1,272
Balance       $ 29,678    
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       $ 37,119   37,675
Balance       $ 98,100    
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       $ 83,584   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       $ 7,064   7,019
Balance       $ 7,499    
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       $ 3,487   3,442
Balance       $ 3,890    
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       $ 212,961   232,750
Balance       $ 730,173    
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       $ 1,518   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       $ 551   $ 1,320