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Condensed Schedule of Investments (Parenthetical)	3 Months Ended
	Mar. 31, 2021 USD ($)
Collateral amount on open futures contracts	$ 38,373,003
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 0.04%, 5/06/2021
Interest rate	0.04%
Expiration date	5/06/2021
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Goldman Sachs Financial Square Government Fund - Institutional Shares [Member]
Interest rate	0.04%
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Morgan Stanley Institutional Liquidity Funds - Government Portfolio - Institutional Shares [Member]
Interest rate	0.03%
Cash Equivalents [Member] | United States - Money Market Funds [Member] | RBC U.S. Government Money Market Fund - Institutional Shares [Member]
Interest rate	0.03%

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