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FAIR VALUE OF FINANCIAL INSTRUMENTS - Fair Value of Derivative Instruments (Details) - USD ($)	9 Months Ended
	Sep. 30, 2021	Dec. 31, 2020
FAIR VALUE OF FINANCIAL INSTRUMENTS
Derivatives not Accounted for as Hedging Instruments	Futures - Commodity Contracts
Statements of Financial Condition Location	Assets
Futures - Commodity Contracts	$ 13,465,360	$ 2,196,530

X

- Definition

Unrealized gain (loss) on open commodity futures contracts.

+ References

No definition available.

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X

- Definition

Description of the type of derivative instrument identified. For example, swaps, swaptions, forwards.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 1B
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- Definition

Description of where the foreign currency derivatives not designated as hedging instruments are reported in the balance sheet.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
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