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FAIR VALUE OF FINANCIAL INSTRUMENTS - Effect of Derivative Instruments on the Statements of Operations (Details) - USD ($) | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |  |
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income | $ (2,953,638) | $ 1,525,812 | $ (724,744) | $ 3,991,460
Commodity Contracts | Futures | Not Designated as Hedging Instrument | Realized gain (loss) on closed commodity futures contracts |  |  |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |  |
Realized Gain (Loss) on Derivatives Recognized in Income |  |  | 2,313,774 | (5,432,881)
Commodity Contracts | Futures | Not Designated as Hedging Instrument | Realized gain (loss) on open commodity futures contracts |  |  |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |  |
Change in Unrealized Gain (Loss) on Derivatives Recognized in Income |  |  | $ (724,744) | $ 3,991,460

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