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CONTRACTS AND AGREEMENTS (Tables) | 6 Months Ended
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Jun. 30, 2017
Contractors [Abstract] |
Brokerage Commissions | USL also incurs commissions to brokers for the purchase and sale of Oil Futures Contracts, Other Oil-Related Investments or short-term obligations of the United States of two years or less (“Treasuries”).
|  | For the six months ended June 30, 2017 |  |  | For the six months ended June 30, 2016 |
Total commissions accrued to brokers |  | $ | 8,841 |  |  | $ | 12,416 |
Total commissions as an annualized percentage of average total net assets |  |  | 0.02 | % |  |  | 0.02 | %
Commissions accrued as a result of rebalancing |  | $ | 7,074 |  |  | $ | 8,959 |
Percentage of commissions accrued as a result of rebalancing |  |  | 80.01 | % |  |  | 72.16 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 1,767 |  |  | $ | 3,457 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 19.99 | % |  |  | 27.84 | %

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- Definition Tabular disclosure of fees earned by the broker commission. + References No definition available. + Details
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