Commitments And Contingencies (Narrative) (Details) (USD $)
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12 Months Ended | 1 Months Ended | 12 Months Ended | 12 Months Ended | 12 Months Ended | ||||||||||||||||||||
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Dec. 31, 2012
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Dec. 31, 2011
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Dec. 31, 2010
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Dec. 31, 2012
Harborside Residential Project [Member]
property
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Dec. 31, 2012
Harborside Residential Project [Member]
Parent Company [Member]
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Aug. 31, 2011
Wyndham [Member]
item
sqft
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Dec. 31, 2012
Wyndham [Member]
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Dec. 31, 2012
Wegmans Food Markets, Inc. [Member]
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Jul. 31, 2012
Wegmans Food Markets, Inc. [Member]
sqft
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Dec. 31, 2012
Minimum [Member]
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Dec. 31, 2012
Minimum [Member]
Wyndham [Member]
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Dec. 31, 2012
Maximum [Member]
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Dec. 31, 2012
Maximum [Member]
Wyndham [Member]
|
Dec. 31, 2012
Harborside Financial Center Plaza 4A [Member]
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Dec. 31, 2011
Harborside Financial Center Plaza 4A [Member]
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Dec. 31, 2010
Harborside Financial Center Plaza 4A [Member]
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Dec. 31, 2012
Harborside Financial Center Plaza 5 [Member]
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Dec. 31, 2011
Harborside Financial Center Plaza 5 [Member]
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Dec. 31, 2010
Harborside Financial Center Plaza 5 [Member]
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Dec. 31, 2012
Property Lock-Ups [Member]
property
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Dec. 31, 2012
Property Lock-Ups Expired [Member]
property
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Dec. 31, 2012
Land [Member]
Wyndham [Member]
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Dec. 31, 2012
Port Imperial 4/5 Garage Development [Member]
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Dec. 31, 2012
Weehawken, New Jersey [Member]
item
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Dec. 31, 2012
Weehawken, New Jersey [Member]
Land [Member]
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Commitments And Contingencies [Line Items] | |||||||||||||||||||||||||
Project period | 20 years | 20 years | 5 years | ||||||||||||||||||||||
Percentage of PILOT on project costs | 2.00% | 2.00% | |||||||||||||||||||||||
Total project costs | $ 14,400,000 | $ 49,500,000 | $ 170,900,000 | $ 500,000 | |||||||||||||||||||||
Payments in lieu of property taxes (PILOT) | 990,000 | 990,000 | 1,200,000 | 3,400,000 | 3,400,000 | 3,800,000 | |||||||||||||||||||
Period of real estate taxes phase in | 5 years | ||||||||||||||||||||||||
Ground lease expense incurred | 406,000 | 406,000 | 490,000 | ||||||||||||||||||||||
Number of properties | 7 | 126 | |||||||||||||||||||||||
Properties aggregate net book value | 129,700,000 | 1,700,000,000 | |||||||||||||||||||||||
Expiration year | 2016 | ||||||||||||||||||||||||
Area of property (in square feet) | 203,000 | 140,000 | |||||||||||||||||||||||
Lease term | 15 years 3 months | ||||||||||||||||||||||||
Number of lease extension options | 2 | ||||||||||||||||||||||||
Lease extension term | 5 years | 10 years | |||||||||||||||||||||||
Delivery date to tenant | third quarter of 2015 | first quarter of 2013 | first quarter of 2014 | ||||||||||||||||||||||
Total estimated costs of the project | 246,000,000 | 51,700,000 | |||||||||||||||||||||||
Costs of the project incurred | 35,100,000 | 1,000,000 | 13,000,000 | ||||||||||||||||||||||
Number of apartments | 763 | ||||||||||||||||||||||||
Percentage of interest in venture | 85.00% | 7.50% | 80.00% | ||||||||||||||||||||||
Ownership percentage of third party venture | 15.00% | ||||||||||||||||||||||||
Capital credit receivable per square foot | 30 | ||||||||||||||||||||||||
Amount to fund | 47,000,000 | ||||||||||||||||||||||||
Number of stories | 5 | ||||||||||||||||||||||||
Number of parking spaces | 850 | ||||||||||||||||||||||||
Investment in property | 3,901,222,000 | 3,870,607,000 | 69,400,000 | 13,100,000 | |||||||||||||||||||||
Total investment in rental property | $ 3,901,222,000 | $ 3,870,607,000 | $ 69,400,000 | $ 13,100,000 | |||||||||||||||||||||
Holding and distribution pattern under operating agreement | Pursuant to the Development Agreement, the Company and Ironstate shall co-develop the Harborside Residential Project with Ironstate responsible for obtaining all required development permits and approvals. Major decisions with respect to the Harborside Residential Project will require the consent of the Company and Ironstate. The Company and Ironstate will have 85 and 15 percent interests, respectively, in the Harborside Residential Project. The Company will receive capital credit of $30 per approved developable square foot for its land. In addition to the capital credit it will receive for its land contribution, the Company currently expects that it will fund approximately $47 million of the development costs of the project. |