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Commitments and Contingencies - Additional Information (Detail) (USD $)	Sep. 30, 2012 sqft
Contingencies And Commitments [Line Items]
GLA of Developement Projects	2,300,000
Estimated Total Construction Costs of Development Projects	$ 99,516
Amount remains to be funded for construction	$ 68,401

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Estimated Amount Remaining To Be Funded

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Estimated Total Construction Costs of Development Projects.

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GLA of Development Projects.

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