FAIR VALUE OF FINANCIAL INSTRUMENTS - Summary of Effect of Derivative Instruments on Statements of Operations (Details) - Futures - Commodity Contracts - USD ($)	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Realized gain (loss) on closed commodity futures contracts
FAIR VALUE OF FINANCIAL INSTRUMENTS
Realized Gain (Loss) in Derivatives Recognized in Income	$ 1,364,110	$ 15,598,410
Location of Gain (Loss) on Derivatives Recognized in Income	Realized gain (loss) on closed commodity futures contracts	Realized gain (loss) on closed commodity futures contracts
Change in unrealized gain (loss) on open commodity futures contracts
FAIR VALUE OF FINANCIAL INSTRUMENTS
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income	$ 2,813,280	$ 3,351,170
Location of Gain (Loss) on Derivatives Recognized in Income	Unrealized Gain (Loss) On Investments	Unrealized Gain (Loss) On Investments

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

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