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FAIR VALUE OF FINANCIAL INSTRUMENTS - The Effect of Derivative Instruments on the Statements of Operations (Details) - USD ($) | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |
Change in unrealized gain (loss) on open | $ 40,623,818 | $ 184,838,398 | $ (146,128,350)
Commodity Contracts | Futures Contracts | Open positions |  |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |
Change in unrealized gain (loss) on open | 40,623,818 | 184,838,398 | (146,128,350)
Commodity Contracts | Futures Contracts | Closed positions |  |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |
Realized gain (loss) on closed | (47,713,339) | (762,934,486) | $ 218,669,630
Commodity Contracts | OTC Commodity Swap Contracts | Open positions |  |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |
Change in unrealized gain (loss) on open | (14,905,416) | 14,903,211 |
Commodity Contracts | OTC Commodity Swap Contracts | Closed positions |  |  |
FAIR VALUE OF FINANCIAL INSTRUMENTS |  |  |
Realized gain (loss) on closed | $ 58,360,050 | $ (144,572,961) |

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- Definition The net realized gain (loss) on investments sold during the period, not including gains (losses) on securities separately or otherwise categorized as trading, available-for-sale, or held-to-maturity, which, for cash flow reporting, is a component of proceeds from investing activities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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- Definition The net change in the difference between the fair value and the carrying value, or in the comparative fair values, of open derivatives, commodity, or energy contracts, held at each balance sheet date, that was included in earnings for the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 + Details
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