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Schedule of Investments (Parenthetical) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Collateral Amount on Open Commodity Futures Contracts	$ 1,345,560	$ 845,621
United States [Member] | United States Money Market Funds [Member] | RBC U.S. Government Money Market Fund - Institutional Shares 0.03%
Interest Rate	0.03%
Cash Equivalents [Member] | United States Money Market Funds [Member] | RBC U.S. Government Money Market Fund - Institutional Shares 0.03%
Expiration date	December 31, 2021
Cash Equivalents [Member] | United States Money Market Funds [Member] | RBC U.S. Government Money Market Fund - Institutional Share Class, 0.02%
Expiration date		December 31, 2020
Interest Rate		0.02%
Cash Equivalents [Member] | United States [Member] | Goldman Sachs Financial Square Government Fund - Institutional Shares, 0.03%
Interest Rate	0.03%

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