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FAIR VALUE OF FINANCIAL INSTRUMENTS - Valuation of Securities Using Fair Value Hierarchy (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021
Short-Term Investments
FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities fair value	$ 856,400,000	$ 1,544,534,000
Exchange-Traded Futures Contracts | Swap | OTC
FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities fair value	(4,145)
United States | Exchange-Traded Futures Contracts
FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities fair value	22,185,936	114,437,224
Level 1 | Short-Term Investments
FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities fair value	856,400,000	1,544,534,000
Level 1 | United States | Exchange-Traded Futures Contracts
FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities fair value	22,185,936	$ 114,437,224
Level 2 | Exchange-Traded Futures Contracts | Swap | OTC
FAIR VALUE OF FINANCIAL INSTRUMENTS
Securities fair value	$ (4,145)

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- Definition

Fair value portion of investment securities, including, but not limited to, marketable securities, derivative financial instruments, and investments accounted for under the equity method.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 820
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258

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