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Schedules of Investments (Unaudited) - Open S&P GSCI ER Index Futures Contracts (Details)	6 Months Ended	12 Months Ended
	Jun. 30, 2025 USD ($)	Dec. 31, 2024 USD ($)
Number of contracts	32,469	32,662
Expiration date	Sep. 16, 2025	Mar. 17, 2025
Current notional amount	$ 956,692,591	$ 964,446,802
Net unrealized appreciation (depreciation)	$ (4,872,673)	$ 32,609,106

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