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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Additional Information) (Details) (USD $)	9 Months Ended			9 Months Ended
	Sep. 30, 2013	Feb. 29, 2012 Redemption Baskets [Member]	Feb. 29, 2012 Prior to February 29, 2012 [Member] Redemption Baskets [Member]	Sep. 30, 2013 Maximum [Member]
Significant Accounting Policies [Line Items]
Minimum likelihood of tax benefits being recognized upon ultimate settlement	50.00%
Recognized interest income expense and penalties related to unrecognized tax benefits	$ 0
Number of units per basket		50,000	100,000
Cash equivalents maturity period				6 months

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- Definition

Cash Equivalents, Maturity Period

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- Definition

Number of Units per Basket

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- Definition

Percentage of income tax examination minimum likelihood of tax benefits being realized upon settlement.

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- Definition

Recognized interest income expense and penalties related to unrecognized tax benefits.

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