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Business and Organization (Details) (USD $) In Billions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014
Business and Organization [Abstract]
Investment across a range of real estate sectors over the past two decades (more than $35 billion at December 31, 2012)	$ 35star_RealEstateInvestment

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- Definition

Represents the amount invested across a range of real estate sectors by the entity over a period of time.

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No definition available.

+ Details

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