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FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of valuation of BNO'S securities (Details) - USD ($)	Jun. 30, 2023	Dec. 31, 2022
FAIR VALUE OF FINANCIAL INSTRUMENTS
Short-Term Investments	$ 93,985,000	$ 97,035,000
Exchange-Traded Futures Contracts
Foreign Contracts	(1,288,300)	15,246,200
Level I
FAIR VALUE OF FINANCIAL INSTRUMENTS
Short-Term Investments	93,985,000	97,035,000
Exchange-Traded Futures Contracts
Foreign Contracts	(1,288,300)	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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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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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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