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Schedule of Investments (Parenthetical) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Collateral amount on open futures contracts	$ 57,197,387	$ 33,830,326
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Fidelity Investments Money Market Funds - Government Portfolio [Member]
Interest rate		0.01%
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%	0.02%

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Amount of assets pledged to secure a debt instrument.

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