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CONTRACTS AND AGREEMENTS (Brokerage Commissions) (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2015 | Jun. 30, 2014 | Jun. 30, 2015 | Jun. 30, 2014
Floor Brokerage Exchange and Clearance Fees | $ 2,149 | $ (189) | $ 3,744 | $ 1,881
Percentage Of Average Daily Net Assets | 0.04% | 0.02% | 0.04% | 0.02%
Rebalancing Investments Transaction [Member] |  |  |  |
Floor Brokerage Exchange and Clearance Fees |  |  | $ 2,515 | $ 509
Percentage Of Average Daily Net Assets | 67.17% | 27.06% | 67.17% | 27.06%
Creation And Redemption Activity [Member] |  |  |  |
Floor Brokerage Exchange and Clearance Fees |  |  | $ 1,229 | $ 1,372
Percentage Of Average Daily Net Assets | 32.83% | 72.94% | 32.83% | 72.94%

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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. + Details
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