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CONTRACTS AND AGREEMENTS - Brokerage Commissions (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Brokerage commissions | $ 101,742 | $ 98,880 | $ 132,707
Percentage Of Average Daily Net Assets | 0.12% | 0.10% | 0.13%
Rebalancing Investments Transaction [Member] |  |  |
Brokerage commissions | $ 99,885 | $ 95,188 | $ 127,847
Percentage Of Average Daily Net Assets | 98.17% | 96.27% | 96.34%
Creation And Redemption Activity [Member] |  |  |
Brokerage commissions | $ 1,857 | $ 3,692 | $ 4,860
Percentage Of Average Daily Net Assets | 1.83% | 3.73% | 3.66%

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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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- Details
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