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CONTRACTS AND AGREEMENTS (Tables) | 12 Months Ended
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Dec. 31, 2015
Contracts and Agreements [Abstract] |
Brokerage Commissions | UNL also incurs commissions to brokers for the purchase and sale of Futures Contracts, Other Natural Gas-Related Investments or short term obligations of the United States of two years or less (“Treasuries”).
|  | For the Year Ended |  |  | For the Year Ended |  |  | For the Year Ended |
|  | December 31, 2015 |  |  | December 31, 2014 |  |  | December 31, 2013 |
Total commissions accrued to brokers |  | $ | 6,117 |  |  | $ | 3,918 |  |  | $ | 8,360 |
Total commissions as annualized percentage of average total net assets |  |  | 0.04 | % |  |  | 0.02 | % |  |  | 0.03 | %
Commissions accrued as a result of rebalancing |  | $ | 4,698 |  |  | $ | 2,126 |  |  | $ | 4,484 |
Percentage of commissions accrued as a result of rebalancing |  |  | 76.80 | % |  |  | 54.26 | % |  |  | 53.64 | %
Commissions accrued as a result of creation and redemption activity |  | $ | 1,419 |  |  | $ | 1,792 |  |  | $ | 3,876 |
Percentage of commissions accrued as a result of creation and redemption activity |  |  | 23.20 | % |  |  | 45.74 | % |  |  | 46.36 | %

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