Annual report pursuant to Section 13 and 15(d)

Commitments And Contingencies (Tax Abatement Agreements) (Narrative) (Details)

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Commitments And Contingencies (Tax Abatement Agreements) (Narrative) (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Harborside Financial Center Plaza 4-A [Member]
 
Commitments And Contingencies [Line Items]  
Project period 20 years
Percentage of PILOT on project costs 2.00%
Total project costs $ 49,500,000
Payments in lieu of property taxes (PILOT) 990,000
Harborside Financial Center Plaza 5 [Member]
 
Commitments And Contingencies [Line Items]  
Project period 20 years
Percentage of PILOT on project costs 2.00%
Total project costs 170,900,000
Payments in lieu of property taxes (PILOT) $ 3,400,000
Port Imperial 4/5 Garage Development [Member]
 
Commitments And Contingencies [Line Items]  
Project period 5 years
Period of real estate taxes phase in 5 years
Park Square [Member]
 
Commitments And Contingencies [Line Items]  
Period of partial abatement of real estate taxes 4 years