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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of valuation of BNO'S securities (Details) - USD ($) | Sep. 30, 2023 | Dec. 31, 2022
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FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | $ 118,035,000 | $ 97,035,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | (1,388,400) | 15,246,200
Level I |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | 118,035,000 | 97,035,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | (1,388,400) | 15,246,200
Level II |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | 0 | 0
Exchange-Traded Futures Contracts |  |
Foreign Contracts | 0 | 0
Level III |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |
Short-Term Investments | 0 | 0
Exchange-Traded Futures Contracts |  |
Foreign Contracts | $ 0 | $ 0

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