Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Investments In Unconsolidated Joint Ventures (Summary Of Unconsolidated Joint Ventures) (Details)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Sep. 13, 2016
USD ($)
Apr. 01, 2016
USD ($)
Oct. 31, 2016
USD ($)
Jun. 30, 2016
USD ($)
Sep. 30, 2016
USD ($)
ft²
property
item
Sep. 30, 2015
USD ($)
May 26, 2016
item
Dec. 31, 2015
USD ($)
Schedule of Equity Method Investments [Line Items]                
Carrying Amount         $ 319,807     $ 303,457
Accounts payable, accrued expenses and other liabilities         185,326     135,057
Purchase price of property         $ 94,017 $ 59,700    
Minimum [Member]                
Schedule of Equity Method Investments [Line Items]                
Company's Effective Ownership %         7.50%      
Maximum [Member]                
Schedule of Equity Method Investments [Line Items]                
Company's Effective Ownership %         85.00%      
Riverwalk G Urban Renewal, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Company's Effective Ownership %       50.00%        
Riverwalk G Urban Renewal, L.L.C. [Member] | Subsequent Event [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Maturity Date     Oct. 01, 2026          
Property Debt, Interest Rate     3.21%          
Mortgage loan face amount     $ 82,000          
PruRose Riverwalk G, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         316      
Purchase price of property   $ 11,300   $ 11,300        
Crystal House Apartments Investors LLC [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      
Portside Apartment Holdings, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Investment Ownership Percentage       100.00%        
Purchase price of property       $ 39,600        
RoseGarden Marbella South, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Interest Rate, Spread Over LIBOR [1]         2.25%      
RoseGarden Marbella South, L.L.C. [Member] | Construction Loan [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of extension options | item         2      
Loan extension period         1 year      
Extension fee         0.25%      
Maximum borrowing capacity         $ 77,400      
Harborside Unit A Urban Renewal, LLC [Member] | Construction/Permanent Loan [Member]                
Schedule of Equity Method Investments [Line Items]                
Maximum borrowing capacity         $ 192,000      
PruRose Port Imperial South 15, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item             236  
Red Bank Corporate Plaza, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Interest Rate, Spread Over LIBOR         3.00%      
KPG-P 100 IMW JV, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Interest Rate, Spread Over LIBOR [2]         5.95%      
Number of extension options | item         3      
Loan extension period         1 year      
Keystone-Penn [Member] | Principal Balance Due August 27, 2023 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 127,538      
Property Debt, Maturity Date         Aug. 27, 2023      
Property Debt, Interest Rate         5.114%      
Keystone-Penn [Member] | Principal Balance Due September 6, 2025 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 45,500      
Property Debt, Maturity Date         Sep. 06, 2025      
Property Debt, Interest Rate         5.01%      
Keystone-Penn [Member] | Principal Balance Due October 31, 2016 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 17,911      
Property Debt, Maturity Date         Oct. 31, 2016      
Property Debt, Interest Rate         8.00%      
Keystone-Penn [Member] | Principal Balance Due August 31, 2019 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 22,500      
Property Debt, Maturity Date         Aug. 31, 2019      
Property Debt, Interest Rate         5.20%      
Property Debt, Interest Rate, LIBOR         LIBOR+5.2      
Keystone-Penn [Member] | Principal Balance Due January 9, 2019 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 11,250      
Property Debt, Maturity Date         Jan. 09, 2019      
Property Debt, Interest Rate         5.50%      
Property Debt, Interest Rate, LIBOR         LIBOR+5.5      
Keystone-Penn [Member] | Principal Balance Due August 27, 2017 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 10,425      
Property Debt, Maturity Date         Aug. 27, 2017      
Property Debt, Interest Rate         6.00%      
Property Debt, Interest Rate, LIBOR         LIBOR+6.0      
Keystone-Penn [Member] | Keystone Property Group [Member]                
Schedule of Equity Method Investments [Line Items]                
Internal rate of return         15.00%      
Keystone-Penn [Member] | Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Internal rate of return         10.00%      
Keystone-TriState [Member]                
Schedule of Equity Method Investments [Line Items]                
Capital balance in properties in which senior pari passu interest is held         $ 2,800      
Number of properties with senior pari passu interest | property         5      
Keystone-TriState [Member] | Principal Balance Due July 1, 2017 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 47,500      
Property Debt, Maturity Date         Jul. 01, 2017      
Property Debt, Interest Rate         5.38%      
Keystone-TriState [Member] | Principal Balance Due September 9, 2017 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 78,121      
Property Debt, Maturity Date         Sep. 09, 2017      
Keystone-TriState [Member] | Principal Balance Due September 9, 2017 [Member] | Minimum [Member]                
Schedule of Equity Method Investments [Line Items]                
Effective rate         5.65%      
Keystone-TriState [Member] | Principal Balance Due September 9, 2017 [Member] | Maximum [Member]                
Schedule of Equity Method Investments [Line Items]                
Effective rate         6.75%      
Keystone-TriState [Member] | Principal Balance Due July 6, 2024 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 14,250      
Property Debt, Maturity Date         Jul. 06, 2024      
Property Debt, Interest Rate         4.88%      
Keystone-TriState [Member] | Principal Balance Due July 6, 2044 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 63,400      
Property Debt, Maturity Date         Jul. 06, 2044      
Property Debt, Interest Rate         4.93%      
Keystone-TriState [Member] | Principal Balance Due August 6, 2044 [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 15,050      
Property Debt, Maturity Date         Aug. 06, 2044      
Property Debt, Interest Rate         4.71%      
Keystone-TriState [Member] | Parent Company [Member]                
Schedule of Equity Method Investments [Line Items]                
Internal rate of return         10.00%      
Keystone-TriState [Member] | Keystone Entities [Member]                
Schedule of Equity Method Investments [Line Items]                
Internal rate of return         15.00%      
South Pier At Harborside [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance $ 59,100       $ 100,000      
Property Debt, Maturity Date Nov. 01, 2016       Oct. 01, 2026      
Property Debt, Interest Rate 6.15%       3.668%      
Accounts payable, accrued expenses and other liabilities         $ 3,317      
Other [Member]                
Schedule of Equity Method Investments [Line Items]                
Carrying Amount         $ 319,807     303,457
The Shops At 40 Park Property [Member] | Rosewood Morristown, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         50,973      
Property Debt, Balance         $ 6,354      
Property Debt, Maturity Date         Aug. 01, 2018      
Property Debt, Interest Rate         3.63%      
Residual ownership interest         12.50%      
Lofts At 40 Park Property [Member] | Rosewood Morristown, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         59      
Indirect ownership interest         25.00%      
Number of stories | item         5      
Metropolitan Property [Member] | Rosewood Morristown, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Property Debt, Balance         $ 37,836      
Property Debt, Maturity Date         Sep. 01, 2020      
Property Debt, Interest Rate         3.25%      
Port Imperial North Land [Member] | Roseland/Port Imperial Partners, L.P. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         836      
Residual ownership interest         20.00%      
Unconsolidated Joint Venture Multi-Family Properties [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         3,587      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Marbella RoseGarden, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [3]         412      
Company's Effective Ownership % [3],[4]         24.27%      
Carrying Amount [3]         $ 15,360     15,569
Property Debt, Balance [3]         $ 95,000      
Property Debt, Maturity Date [3]         May 01, 2018      
Property Debt, Interest Rate [3]         4.99%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | RoseGarden Monaco Holdings, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [3]         523      
Company's Effective Ownership % [3],[4]         15.00%      
Carrying Amount [3]         $ 68     937
Property Debt, Balance [3]         $ 165,000      
Property Debt, Maturity Date [3]         Feb. 01, 2021      
Property Debt, Interest Rate [3]         4.19%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Rosewood Morristown, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [3],[5]         130      
Company's Effective Ownership % [3],[4],[5]         12.50%      
Carrying Amount [3],[5]         $ 6,958     5,723
Property Debt, Balance [3],[5],[6]         $ 44,190      
Property Debt, Interest Rate [3],[5]              
Unconsolidated Joint Venture Multi-Family Properties [Member] | Riverwalk G Urban Renewal, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [3],[7]         316      
Company's Effective Ownership % [3],[4],[7]         50.00%      
Carrying Amount [3],[7]         $ 10,464      
Property Debt, Balance [3],[7]         $ 79,067      
Property Debt, Maturity Date [3],[7]         Jul. 15, 2021      
Property Debt, Interest Rate [3],[7],[8]         6.00%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Elmajo Urban Renewal Associates, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [3]         355      
Company's Effective Ownership % [3],[4]         7.50%      
Property Debt, Balance [3]         $ 128,100      
Property Debt, Maturity Date [3]         Mar. 01, 2030      
Property Debt, Interest Rate [3]         4.00%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Crystal House Apartments Investors LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [9]         794      
Company's Effective Ownership % [4],[9]         25.00%      
Carrying Amount [9]         $ 30,493     28,114
Property Debt, Balance [9]         $ 165,000      
Property Debt, Maturity Date [9]         Apr. 01, 2020      
Property Debt, Interest Rate [9]         3.17%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Roseland/Port Imperial Partners, L.P. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [3],[10]         363      
Company's Effective Ownership % [3],[4],[10]         20.00%      
Carrying Amount [3],[10]         $ 1,678     1,678
Unconsolidated Joint Venture Multi-Family Properties [Member] | RoseGarden Marbella South, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         311      
Company's Effective Ownership % [4]         24.27%      
Carrying Amount         $ 17,895     16,728
Property Debt, Balance         $ 72,955      
Property Debt, Maturity Date         Mar. 30, 2017      
Property Debt, Interest Rate, LIBOR [11]         L+2.25      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Estuary Urban Renewal Unit B, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item [3]         227      
Company's Effective Ownership % [3],[4]         7.50%      
Property Debt, Balance [3]         $ 81,900      
Property Debt, Maturity Date [3]         Mar. 01, 2030      
Property Debt, Interest Rate [3]         4.00%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Riverpark At Harrison I, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         141      
Company's Effective Ownership % [4]         45.00%      
Carrying Amount         $ 2,169     2,544
Property Debt, Balance         $ 30,000      
Property Debt, Maturity Date         Aug. 01, 2025      
Property Debt, Interest Rate         3.70%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Capitol Place Mezz LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         378      
Company's Effective Ownership % [4]         50.00%      
Carrying Amount         $ 44,103     46,267
Property Debt, Balance         $ 100,700      
Property Debt, Maturity Date         Jul. 01, 2033      
Property Debt, Interest Rate         4.82%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | Harborside Unit A Urban Renewal, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         763      
Company's Effective Ownership % [4]         85.00%      
Carrying Amount         $ 99,358     96,799
Property Debt, Balance         $ 142,746      
Property Debt, Maturity Date         Aug. 01, 2029      
Property Debt, Interest Rate [1]         5.197%      
Unconsolidated Joint Venture Multi-Family Properties [Member] | RoseGarden Monaco, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         250      
Company's Effective Ownership % [4]         41.67%      
Carrying Amount         $ 1,385     1,339
Unconsolidated Joint Venture Multi-Family Properties [Member] | Grand Jersey Waterfront URA, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         850      
Company's Effective Ownership % [4]         50.00%      
Carrying Amount         $ 337     337
Unconsolidated Joint Venture Multi-Family Properties [Member] | Hillsborough 206 Holdings, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         160,000      
Company's Effective Ownership % [4]         50.00%      
Carrying Amount         $ 1,962     1,962
Unconsolidated Joint Venture Multi-Family Properties [Member] | Plaza VIII & IX Associates, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         1,225,000      
Company's Effective Ownership % [4]         50.00%      
Carrying Amount         $ 4,311     4,055
Unconsolidated Joint Venture Office Buildings [Member] | Red Bank Corporate Plaza, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         92,878      
Company's Effective Ownership % [4]         50.00%      
Carrying Amount         $ 4,204     4,140
Property Debt, Balance         $ 14,626      
Property Debt, Maturity Date         May 17, 2017      
Property Debt, Interest Rate, LIBOR         L+3.00      
Unconsolidated Joint Venture Office Buildings [Member] | 12 Vreeland Associates, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         139,750      
Company's Effective Ownership % [4]         50.00%      
Carrying Amount         $ 6,157     5,890
Property Debt, Balance         $ 11,420      
Property Debt, Maturity Date         Jul. 01, 2023      
Property Debt, Interest Rate         2.87%      
Unconsolidated Joint Venture Office Buildings [Member] | BNES Associates III [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         106,345      
Company's Effective Ownership % [4]         31.25%      
Carrying Amount         $ 2,695     2,295
Property Debt, Balance         $ 5,646      
Property Debt, Maturity Date         Nov. 01, 2023      
Property Debt, Interest Rate         4.76%      
Unconsolidated Joint Venture Office Buildings [Member] | KPG-P 100 IMW JV, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         339,615      
Company's Effective Ownership % [4]         33.33%      
Property Debt, Balance         $ 72,000      
Property Debt, Maturity Date         Sep. 08, 2018      
Property Debt, Interest Rate, LIBOR [2]         L+5.95      
Unconsolidated Joint Venture Office Buildings [Member] | Keystone-Penn [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         1,842,820      
Company's Effective Ownership % [4],[12]              
Property Debt, Balance [13]         $ 235,124      
Property Debt, Interest Rate              
Unconsolidated Joint Venture Office Buildings [Member] | Keystone-TriState [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft²         1,266,384      
Company's Effective Ownership % [4],[14]              
Carrying Amount         $ 2,771     3,958
Property Debt, Balance [15]         $ 218,321      
Property Debt, Interest Rate              
Unconsolidated Joint Venture Office Buildings [Member] | KPG-MCG Curtis JV, LLC [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft² [16]         885,000      
Company's Effective Ownership % [4],[16]         50.00%      
Carrying Amount [16]         $ 64,909     59,858 [17]
Property Debt, Balance [16]              
Property Debt, Interest Rate [16]              
Unconsolidated Joint Venture Other Property [Member]                
Schedule of Equity Method Investments [Line Items]                
Carrying Amount         $ 319,807     303,457
Property Debt, Balance         $ 1,761,795      
Unconsolidated Joint Venture Other Property [Member] | Roseland/North Retail, L.L.C. [Member]                
Schedule of Equity Method Investments [Line Items]                
Rentable Square Feet (sf) | ft² [3]         30,745      
Company's Effective Ownership % [3],[4]         20.00%      
Carrying Amount [3]         $ 1,719     1,758
Unconsolidated Joint Venture Other Property [Member] | South Pier At Harborside [Member]                
Schedule of Equity Method Investments [Line Items]                
Number of Apartment Units | item         350      
Company's Effective Ownership % [4],[18]         50.00%      
Carrying Amount              
Property Debt, 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 Amount [19]         $ 811     $ 3,506
[1] The construction/permanent loan has a maximum borrowing amount of $192,000.
[2] The mortgage loan has three one-year extension options, subject to certain conditions.
[3] The Company's ownership interests in this venture are subordinate to its partner's preferred capital balance and the Company is not expected to meaningfully participate in the venture's cash flows in the near term.
[4] Company's effective ownership % represents the Company's entitlement to residual distributions after payments of priority returns, where applicable.
[5] Through the joint venture, the Company also owns a 12.5 percent interest in a 50,973 square feet retail building ("Shops at 40 Park") and a 25 percent interest in a to-be-built 59-unit, five story multi-family rental development property ("Lofts at 40 Park").
[6] Property debt balance consists of: (i) an amortizable loan, collateralized by the Metropolitan at 40 Park, with a balance of $37,836, bears interest at 3.25 percent, matures in September 2020; (ii) an amortizable loan, collateralized by the Shops at 40 Park, with a balance of $6,354, bears interest at 3.63 percent, matures in August 2018.
[7] During the second quarter 2016, the Company acquired the equity interests of its joint venture partner in Portside Apartment Holdings, L.L.C and PruRose Riverwalk G, L.L.C. for $39.6 million and $11.3 million, respectively, which increased its ownership to 100 percent in Portside Apartment Holdings, LLC and 50 percent in Riverwalk G Urban Renewal, L.L.C. (See Note 3: Recent Transactions - Acquisitions).
[8] The loan was refinanced in October 2016. The new $82 million loan matures in October 2026 and has an interest rate of 3.21 percent.
[9] The Company also owns a 50 percent interest in a vacant land to accommodate the development of approximately 295 additional units of which 252 are currently approved.
[10] The Company also owns a 20 percent residual interest in undeveloped land parcels: parcels 6, I, and J that can accommodate the development of 836 apartment units.
[11] The construction loan has a maximum borrowing amount of $77,400 and provides, subject to certain conditions, two one-year extension options with a fee of 25 basis points for each year.
[12] The Company's equity interests in the joint ventures will be subordinated to Keystone Entities receiving a 15 percent internal rate of return ("IRR") after which the Company will receive a 10 percent IRR on its subordinate equity and then all profit will be split equally.
[13] Principal balance of $127,538 bears interest at 5.114 percent and matures on August 27, 2023; principal balance of $45,500 bears interest at 5.01 percent and matures on September 6, 2025; principal balance of $17,911 bears interest at 8.0 percent and matures on October 31, 2016; principal balance of $22,500 bears interest at LIBOR+5.2 percent t and matures on August 31, 2019; principal balance of $11,250 bears interest at LIBOR+5.5 percent and matures on January 9, 2019; principal balance of $10,425 bears interest at LIBOR+6.0 percent matures on August 27, 2017.
[14] Includes the Company's pari-passu interests of $2.8 million in five properties and Company's subordinated equity interests to Keystone Entities receiving a 15 percent internal rate of return ("IRR") after which the Company will receive a 10 percent IRR on its subordinate equity and then all profit will be split equally.
[15] Principal balance of $47,500 bears interest at 5.38 percent and matures on July 1, 2017; principal balance of $78,121 bears interest at rates ranging from 5.65 percent to 6.75 percent and matures on September 9, 2017; principal balance of $14,250 bears interest at 4.88 percent and matures on July 6, 2024; principal balance of $63,400 bears interest at 4.93 percent and matures on July 6, 2044; principal balance of $15,050 bears interest at 4.71 percent and matures on August 6, 2044.
[16] Includes undivided interests in the same manner as investments in noncontrolling partnership, pursuant to ASC 970-323-25-12.
[17] See Note 10: Mortgages, Loans Payable and Other Obligations for debt secured by interests in these assets.
[18] The negative carrying value for this venture of $3,317 as of December 31, 2015, was included in accounts payable, accrued expenses and other liabilities.
[19] The Company owns other interests in various unconsolidated joint ventures, including interests in assets previously owned and interest in ventures whose businesses are related to its core operations. These ventures are not expected to significantly impact the Company's operations in the near term.