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Commitments And Contingencies (Joint Venture Interests Agreement And Other) (Narrative) (Details) (USD $)
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6 Months Ended | 3 Months Ended | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
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Jun. 30, 2014
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Jun. 30, 2013
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Jun. 30, 2014
Property Lock-Ups [Member]
property
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Jun. 30, 2014
Property Lock-Ups Expired [Member]
property
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Jun. 30, 2014
Wegmans Food Markets, Inc. [Member]
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Jul. 31, 2012
Wegmans Food Markets, Inc. [Member]
sqft
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Sep. 30, 2014
Overlook Ridge Properties [Member]
Scenario, Forecast [Member]
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Sep. 30, 2014
Development Property [Member]
Overlook Ridge Properties [Member]
Scenario, Forecast [Member]
item
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Jun. 30, 2014
Multi-Family Properties [Member]
item
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Sep. 30, 2014
Multi-Family Properties [Member]
Overlook Ridge Properties [Member]
Scenario, Forecast [Member]
property
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| Commitments And Contingencies [Line Items] | ||||||||||
| Acquisition cost | $ 38,948,000 | $ 31,500,000 | $ 16,600,000 | |||||||
| Percentage of interest in venture | 100.00% | 50.00% | ||||||||
| Number of apartments | 1,167 | 3,898 | ||||||||
| Number of properties | 7 | 115 | 2 | |||||||
| Properties aggregate net book value | 123,500,000 | 1,400,000,000 | ||||||||
| Expiration year | 2016 | |||||||||
| Costs of the project incurred | 6,400,000 | |||||||||
| Delivery date to tenant | first quarter of 2015 | |||||||||
| Area of property (in square feet) | 140,000 | |||||||||
| Total project costs | $ 15,700,000 | |||||||||