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CONTRACTS AND AGREEMENTS (Tables) | 6 Months Ended
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Jun. 30, 2018
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, 2018 |  |  | For the six months ‎ ended ‎ June 30, 2017 |
Total commissions accrued to brokers |  | $ | 3,219 |  |  | $ | 8,841 |
Total commissions as annualized percentage of average total net assets |  |  | 0.01% |  |  |  | 0.02% |
Commissions accrued as a result of rebalancing |  | $ | 2,439 |  |  | $ | 7,074 |
Percentage of commissions accrued as a result of rebalancing |  |  | 75.77% |  |  |  | 80.01% |
Commissions accrued as a result of creation and redemption activity |  | $ | 780 |  |  | $ | 1,767 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 24.23% |  |  |  | 19.99% |

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