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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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Unrealized gain (loss) on open commodity futures contracts.

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Amount of investments including trading securities, available-for-sale securities, held-to-maturity securities, and short-term investments classified as other and current.

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