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CONTRACTS AND AGREEMENTS - Brokerage and Futures Commissions Merchant Agreements (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2020 | Mar. 31, 2019
Total commissions accrued to brokers | $ 131 | $ 372
Total commissions as annualized percentage of average total net assets | 0.02% | 0.03%
Rebalancing Investments Transaction [Member] |  |
Total commissions accrued to brokers | $ 131 | $ 274
Total commissions as annualized percentage of average total net assets | 100.00% | 73.66%
Creation And Redemption Activity [Member] |  |
Total commissions accrued to brokers |  | $ 98
Total commissions as annualized percentage of average total net assets |  | 26.34%

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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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- Details
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