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CONTRACTS AND AGREEMENTS (Tables) | 3 Months Ended
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Mar. 31, 2015
Contractors [Abstract] |
Brokerage Commissions | BNO also incurs commissions to brokers for the purchase and sale of Futures Contracts, Other Crude Oil-Related Investments or short-term obligations of the United States of two years or less (“Treasuries”).
|  | For the three months ended March 31, 2015 |  |  | For the three months ended March 31, 2014 |
Total commissions accrued to brokers |  | $ | 25,577 |  |  | $ | 4,109 |
Total commissions as an annualized percentage of average net assets |  |  | 0.13 | % |  |  | 0.06 | %
Commissions accrued as a result of rebalancing |  | $ | 22,561 |  |  | $ | 3,702 |
Percentage of commissions accrued as a result of rebalancing |  |  | 88.21 | % |  |  | 90.09 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 3,016 |  |  | $ | 407 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 11.79 | % |  |  | 9.91 | %

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