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Related Party Transactions (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Related Party Transactions (Textual) [Abstract]
Repurchase interests of partners and trust unit holders	$ 1,000	$ 22,000

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- Definition

Repurchase interests of partners and trust unit holders.

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No definition available.

+ Details

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