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Condensed Schedule of Investments (Parenthetical)	3 Months Ended
	Mar. 31, 2020 USD ($)
Collateral Amount on Open Futures Contracts	$ 908,142
U.S. Treasury Bills:1.70%, 4/02/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	4/02/2020
Interest Rate	1.70%
U.S. Treasury Bills:1.64%, 4/09/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	4/09/2020
Interest Rate	1.64%
U.S. Treasury Bills:1.60%, 4/16/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	4/16/2020
Interest Rate	1.60%
U.S. Treasury Bills:1.60%, 4/23/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	4/23/2020
Interest Rate	1.60%
U.S. Treasury Bills:1.59%, 4/30/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	4/30/2020
Interest Rate	1.59%
U.S. Treasury Bills:1.54%, 5/07/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	5/07/2020
Interest Rate	1.54%
U.S. Treasury Bills:1.55%, 5/14/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	5/14/2020
Interest Rate	1.55%
U.S. Treasury Bills:1.55%, 5/21/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	5/21/2020
Interest Rate	1.55%
U.S. Treasury Bills:1.58%, 5/28/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	5/28/2020
Interest Rate	1.58%
U.S. Treasury Bills:1.53%, 6/04/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	6/04/2020
Interest Rate	1.53%
U.S. Treasury Bills:1.53%, 6/11/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	6/11/2020
Interest Rate	1.53%
U.S. Treasury Bills:1.54%, 6/18/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	6/18/2020
Interest Rate	1.54%
U.S. Treasury Bills:1.57%, 6/25/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	6/25/2020
Interest Rate	1.57%
U.S. Treasury Bills:1.54%, 7/02/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	7/02/2020
Interest Rate	1.54%
U.S. Treasury Bills:1.51%, 7/09/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	7/09/2020
Interest Rate	1.51%
U.S. Treasury Bills:1.54%, 7/16/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	7/16/2020
Interest Rate	1.54%
U.S. Treasury Bills:1.53%, 7/23/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	7/23/2020
Interest Rate	1.53%
U.S. Treasury Bills:1.53%, 7/30/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	7/30/2020
Interest Rate	1.53%
U.S. Treasury Bills:1.53%, 8/06/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	8/06/2020
Interest Rate	1.53%
U.S. Treasury Bills:1.52%, 8/13/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	8/13/2020
Interest Rate	1.52%
U.S. Treasury Bills:1.52%, 8/20/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	8/20/2020
Interest Rate	1.52%
U.S. Treasury Bills:1.42%, 8/27/2020 [Member] | Cash Equivalents [Member] | United States Treasury Obligations [Member]
Expiration date	8/27/2020
Interest Rate	1.42%

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Amount of assets pledged to secure a debt instrument.

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