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CONTRACTS AND AGREEMENTS (Brokerage Commission) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Floor Brokerage Exchange and Clearance Fees	$ 403,584	$ 440,975	$ 1,204,240	$ 1,526,497
Percentage Of Average Daily Net Assets	0.34%	0.39%	0.34%	0.39%
Rebalancing Investments Transaction [Member]
Floor Brokerage Exchange and Clearance Fees			$ 998,598	$ 1,444,429
Percentage Of Average Daily Net Assets	82.92%	94.62%	82.92%	94.62%
Creation And Redemption Activity [Member]
Floor Brokerage Exchange and Clearance Fees			$ 205,642	$ 82,068
Percentage Of Average Daily Net Assets	17.08%	5.38%	17.08%	5.38%

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- Definition

Percentage of Average Daily Net Assets

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- Definition

The amount of expense during the period for floor brokerage fees paid to other broker-dealers to execute trades on their behalf, stock exchange fees, order flow fees, and clearance fees.

+ References

No definition available.

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- Details

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