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FAIR VALUE OF FINANCIAL INSTRUMENTS - Valuation of BNO'S Securities (Details) - USD ($) | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Short-Term Investments | $ 213,750,000 | $ 145,447,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | (8,367,190) | 12,482,340
Fair Value, Inputs, Level 1 [Member] |  |
Short-Term Investments | 213,750,000 | 145,447,000
Exchange-Traded Futures Contracts |  |
Foreign Contracts | (8,367,190) | 12,482,340
Fair Value, Inputs, Level 2 [Member] |  |
Short-Term Investments | 0 | 0
Exchange-Traded Futures Contracts |  |
Foreign Contracts | 0 | 0
Fair Value, Inputs, Level 3 [Member] |  |
Short-Term Investments | 0 | 0
Exchange-Traded Futures Contracts |  |
Foreign Contracts | $ 0 | $ 0

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