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Condensed Schedule of Investments (Parenthetical)	3 Months Ended
	Mar. 31, 2021 USD ($)
Expiration date	March 31, 2021
Collateral Amount On Open Commodity Futures Contracts	$ 18,801,522
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 0.04%, 5/06/2021 [Member]
Interest rate	0.04%
Expiration date	5/06/2021
Cash Equivalents [Member] | Money Market Funds [Member] | Goldman Sachs Financial Square Government Fund Institutional Shares [Member]
Investment Interest Rate	0.04%
Cash Equivalents [Member] | Money Market Funds [Member] | Morgan Stanley Institutional Liquidity Funds Government Portfolio Institutional Shares [Member]
Investment Interest Rate	0.03%
Cash Equivalents [Member] | Money Market Funds [Member] | RBC U.S. Government Money Market Fund Institutional Shares [Member]
Investment Interest Rate	0.03%

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The list of dates or date range within which the options may be exercised of the investment subject to option.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 320
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