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Condensed Schedule of Investments (Parenthetical)	Jun. 30, 2021 USD ($)
Collateral amount on open futures contracts	$ 74,940,810
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Goldman Sachs Financial Square Government Fund - Institutional Shares [Member]
Interest rate	0.03%
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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Amount of assets pledged to secure a debt instrument.

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