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Condensed Schedule of Investments (Unaudited) (Parenthetical)	6 Months Ended
	Jun. 30, 2020 USD ($)
Collateral amount on open futures contracts	$ 68,025,972
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.54%, 7/02/2020
Interest rate	1.54%
Expiration date	7/02/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.52%, 7/09/2020
Interest rate	1.52%
Expiration date	7/09/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.55%, 7/16/2020
Interest rate	1.55%
Expiration date	7/16/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.53%, 7/23/2020
Interest rate	1.53%
Expiration date	7/23/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.54%, 7/30/2020
Interest rate	1.54%
Expiration date	7/30/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.54%, 8/06/2020
Interest rate	1.54%
Expiration date	8/06/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.52%, 8/13/2020
Interest rate	1.52%
Expiration date	8/13/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 1.53%, 8/20/2020
Interest rate	1.53%
Expiration date	8/20/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills,1.43%, 8/27/2020
Interest rate	1.43%
Expiration date	8/27/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 0.68%, 9/03/2020
Interest rate	0.68%
Expiration date	9/03/2020
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills, 0.39%, 9/10/2020
Interest rate	0.39%
Expiration date	9/10/2020
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Fidelity Investments Money Market Funds - Government Portfolio [Member]
Interest rate	0.06%
Cash Equivalents [Member] | United States - Money Market Funds [Member] | Goldman Sachs Financial Square Funds - Government Fund - Class FS [Member]
Interest rate	0.15%
Cash Equivalents [Member] | United States - Money Market Funds [Member] | RBC U.S. Government Money Market Fund - Institutional Share Class [Member]
Interest rate	0.10%

X

- Definition

Amount of assets pledged to secure a debt instrument.

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-Publisher FASB
-Name Accounting Standards Codification
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-SubTopic 470
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