Quarterly report pursuant to Section 13 or 15(d)

Mortgages, Loans Payable And Other Obligations (Summary Of Mortgages, Loans Payable And Other Obligations) (Details)

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Mortgages, Loans Payable And Other Obligations (Summary Of Mortgages, Loans Payable And Other Obligations) (Details)
$ in Thousands
 9 Months Ended
Sep. 30, 2015
USD ($)
property
item
Sep. 30, 2014
USD ($)
Dec. 31, 2014
USD ($)
Debt Instrument [Line Items]      
Mortgages, loans payable and other obligations $ 740,024   $ 820,910
Repayment of mortgages, loans payable and other obligations $ 29,307 $ 44,825  
Overlook - Site IIID, IIIC, IIIA [Member]      
Debt Instrument [Line Items]      
Property Name [1] Overlook - Site IIID,IIIC, IIIA (b)    
Lender [1] Wells Fargo Bank N.A.    
LIBOR [1],[2] LIBOR+3.50    
Property Debt, Interest Rate, Spread Over LIBOR 3.50%    
Mortgages, loans payable and other obligations [1]   17,260
Overlook - Site IIB [Member]      
Debt Instrument [Line Items]      
Property Name [1] Overlook - Site IIB (Quarrystone I) (b)    
Lender [1] Wells Fargo Bank N.A.    
LIBOR [1],[2] LIBOR+2.50    
Property Debt, Interest Rate, Spread Over LIBOR 2.50%    
Mortgages, loans payable and other obligations [1]   5,787
10 Independence [Member]      
Debt Instrument [Line Items]      
Property Name [3] 10 Independence (c)    
Lender [3] Wells Fargo CMBS    
Effective rate [2],[3] 10.26%    
Mortgages, loans payable and other obligations [3]   16,924
4 Sylvan [Member]      
Debt Instrument [Line Items]      
Property Name [4] 4 Sylvan (d)    
Lender [4] Wells Fargo CMBS    
Effective rate [2],[4] 10.26%    
Mortgages, loans payable and other obligations [4]   14,575
210 Clay [Member]      
Debt Instrument [Line Items]      
Property Name [5] 210 Clay (e)    
Lender [5] Wells Fargo CMBS    
Effective rate [2],[5] 18.10%    
Mortgages, loans payable and other obligations [5]   13,330
5 Becker [Member]      
Debt Instrument [Line Items]      
Property Name [6] 5 Becker (f)    
Lender [6] Wells Fargo CMBS    
Effective rate [2],[6] 19.45%    
Mortgages, loans payable and other obligations [6]   13,867
6 Becker, 85 Livingston, 75 Livingston & 20 Waterview [Member]      
Debt Instrument [Line Items]      
Property Name [7] 6 Becker, 85 Livingston, 75 Livingston & 20 Waterview    
Lender [7] Wells Fargo CMBS    
Effective rate [2],[7] 10.26%    
Mortgages, loans payable and other obligations [7] $ 65,035   65,035
Loan maturity date [7],[8] Aug. 11, 2014    
Number of properties used to collateralized mortgage | property 4    
9200 Edmonston Road [Member]      
Debt Instrument [Line Items]      
Property Name 9200 Edmonston Road    
Lender Principal Commercial Funding L.L.C.    
Effective rate [2] 5.534%    
Mortgages, loans payable and other obligations $ 3,809   3,951
Loan maturity date [9] May 01, 2015    
Port Imperial South [Member]      
Debt Instrument [Line Items]      
Property Name Port Imperial South    
Lender Wells Fargo Bank N.A.    
LIBOR [2] LIBOR+1.75    
Property Debt, Interest Rate, Spread Over LIBOR 1.75%    
Mortgages, loans payable and other obligations $ 44,771   44,119
Loan maturity date Nov. 18, 2015    
4 Becker [Member]      
Debt Instrument [Line Items]      
Property Name 4 Becker    
Lender Wells Fargo CMBS    
Effective rate [2] 9.55%    
Mortgages, loans payable and other obligations $ 39,914   39,421
Loan maturity date May 11, 2016    
Curtis Center [Member]      
Debt Instrument [Line Items]      
Property Name [10] Curtis Center (j)    
Lender [10] CCRE & PREFG    
LIBOR [2],[10],[11] LIBOR+5.912    
Property Debt, Interest Rate, Spread Over LIBOR [11] 5.912%    
Mortgages, loans payable and other obligations [10] $ 64,000   64,000
Loan maturity date [10] Oct. 09, 2016    
Percentage of interest in venture 50.00%    
Number of extension options | item 3    
Loan extension period 1 year    
Deferred financing costs amortization interest rate 1.362%    
Curtis Center [Member] | Senior Loan [Member]      
Debt Instrument [Line Items]      
Effective rate 3.501%    
Property Debt, Interest Rate, Spread Over LIBOR 3.29%    
Mortgages, loans payable and other obligations $ 102,000    
Percentage of interest in venture 50.00%    
LIBOR measurement period 1 month    
Curtis Center [Member] | Mezzanine Loan [Member]      
Debt Instrument [Line Items]      
Effective rate 9.707%    
Property Debt, Interest Rate, Spread Over LIBOR 9.50%    
Mortgages, loans payable and other obligations $ 26,000    
Percentage of interest in venture 50.00%    
Maximum borrowing capacity $ 48,000    
LIBOR measurement period 1 month    
Various [Member]      
Debt Instrument [Line Items]      
Property Name [12] Various (k)    
Lender [12] Prudential Insurance    
Effective rate [2],[12] 6.332%    
Mortgages, loans payable and other obligations [12] $ 144,037   145,557
Loan maturity date [12] Jan. 15, 2017    
Number of properties used to collateralized mortgage | property 7    
Repayment of mortgages, loans payable and other obligations $ 61,100    
150 Main St [Member]      
Debt Instrument [Line Items]      
Property Name 150 Main St.    
Lender Webster Bank    
LIBOR [2] LIBOR+2.35    
Property Debt, Interest Rate, Spread Over LIBOR 2.35%    
Mortgages, loans payable and other obligations $ 6,568   1,193 [13]
Loan maturity date Mar. 30, 2017    
150 Main St [Member] | Construction Loan [Member]      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 28,800    
23 Main Street [Member]      
Debt Instrument [Line Items]      
Property Name 23 Main Street    
Lender JPMorgan CMBS    
Effective rate [2] 5.587%    
Mortgages, loans payable and other obligations $ 28,713   29,210
Loan maturity date Sep. 01, 2018    
Harborside Plaza 5 [Member]      
Debt Instrument [Line Items]      
Property Name Harborside Plaza 5    
Lender The Northwestern Mutual Life Insurance Co. & New York Life Insurance Co.    
Effective rate [2] 6.842%    
Mortgages, loans payable and other obligations $ 218,717   221,563
Loan maturity date Nov. 01, 2018    
100 Walnut Avenue [Member]      
Debt Instrument [Line Items]      
Property Name 100 Walnut Avenue    
Lender Guardian Life Insurance Co.    
Effective rate [2] 7.311%    
Mortgages, loans payable and other obligations $ 18,342   18,542
Loan maturity date Feb. 01, 2019    
One River Center [Member]      
Debt Instrument [Line Items]      
Property Name [14] One River Center (l)    
Lender [14] Guardian Life Insurance Co.    
Effective rate [2],[14] 7.311%    
Mortgages, loans payable and other obligations [14] $ 42,018   42,476
Loan maturity date [14] Feb. 01, 2019    
Number of properties used to collateralized mortgage | property 3    
Park Square [Member]      
Debt Instrument [Line Items]      
Property Name Park Square    
Lender Wells Fargo Bank N.A.    
LIBOR [2],[15] LIBOR+1.872    
Property Debt, Interest Rate, Spread Over LIBOR [15] 1.872%    
Mortgages, loans payable and other obligations $ 27,500   27,500
Loan maturity date Apr. 10, 2019    
Deferred financing costs amortization interest rate 0.122%    
Port Imperial South 4/5 Retail [Member]      
Debt Instrument [Line Items]      
Property Name Port Imperial South 4/5 Retail    
Lender American General Life & A/G PC    
Effective rate [2] 4.559%    
Mortgages, loans payable and other obligations $ 4,000   4,000
Loan maturity date Dec. 01, 2021    
Port Imperial South 4/5 Garage [Member]      
Debt Instrument [Line Items]      
Property Name Port Imperial South 4/5 Garage    
Lender American General Life & A/G PC    
Effective rate [2] 4.853%    
Mortgages, loans payable and other obligations $ 32,600   $ 32,600
Loan maturity date Dec. 01, 2029    
[1] On March 27, 2015, the Company repaid these loans at par, using borrowings on the Company's unsecured revolving credit facility.
[2] Reflects effective rate of debt, including deferred financing costs, comprised of the cost of terminated treasury lock agreements (if any), debt initiation costs, mark-to-market adjustment of acquired debt and other transaction costs, as applicable.
[3] On May 27, 2015, the Company transferred the deed for 10 Independence Boulevard to the lender in satisfaction of its obligation. See Note 3: Recent Transactions.
[4] On June 11, 2015, the Company transferred the deed for 4 Sylvan Way to the lender in satisfaction of its obligation. See Note 3: Recent Transactions.
[5] On July 21, 2015, the Company transferred the deed for 210 Clay to the lender in satisfaction of its obligation. See Note 3: Recent Transactions.
[6] On August 24, 2015, the Company transferred the deed for 5 Becker to the lender in satisfaction of its obligation. See Note 3: Recent Transactions.
[7] Mortgage is cross collateralized by the four properties.
[8] The loan was not repaid at maturity and the Company is in discussions with the lender regarding potential options in satisfaction of the obligation.
[9] Excess cash flow, as defined, is being held by the lender for re-leasing costs. The deed for the property was placed in escrow and is available to the lender in the event of default or non-payment at maturity. The mortgage loan was not repaid at maturity on May 1, 2015. The Company is in discussions with the lender regarding a further extension of the loan.
[10] The Company owns a 50 percent tenants-in-common interest in the Curtis Center property. The Company's $64.0 million loan consists of its 50 percent interest in a $102 million senior loan with a current rate of 3.501 percent at September 30, 2015 and its 50 percent interest in a $26 million mezzanine loan (with a maximum borrowing capacity of $48 million) with a current rate of 9.707 percent at September 30, 2015. The senior loan rate is based on a floating rate of one-month LIBOR plus 329 basis points and the mezzanine loan rate is based on a floating rate of one-month LIBOR plus 950 basis points. The Company has entered into LIBOR caps for the periods of the loans. The loans provide for three one-year extension options.
[11] The effective interest rate includes amortization of deferred financing costs of 1.362 percent.
[12] Mortgage is cross collateralized by seven properties. The Company has agreed, subject to certain conditions, to guarantee repayment of $61.1 million of the loan.
[13] This construction loan has a maximum borrowing capacity of $28.8 million.
[14] Mortgage is collateralized by the three properties comprising One River Center.
[15] The effective interest rate includes amortization of deferred financing costs of 0.122 percent.