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v3.19.1

Condensed Schedule of Investments (Parenthetical) | 3 Months Ended
--- | ---
Mar. 31, 2019 USD ($)
Collateral Amount On Open Futures Contracts | $ 77,620,675
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.37%, 4/04/2019 [Member] |
Interest rate | 2.37%
Expiration date | 4/04/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.41%, 4/11/2019 [Member] |
Interest rate | 2.41%
Expiration date | 4/11/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.42%, 4/18/2019 [Member] |
Interest rate | 2.42%
Expiration date | 4/18/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.43%, 4/25/2019 [Member] |
Interest rate | 2.43%
Expiration date | 4/25/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.47%, 5/09/2019 [Member] |
Interest rate | 2.47%
Expiration date | 5/09/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.48%, 5/16/2019 [Member] |
Interest rate | 2.48%
Expiration date | 5/16/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.50%, 5/23/2019 [Member] |
Interest rate | 2.50%
Expiration date | 5/23/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.49%, 5/30/2019 [Member] |
Interest rate | 2.49%
Expiration date | 5/30/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.51%, 6/06/2019 [Member] |
Interest rate | 2.51%
Expiration date | 6/06/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.51%, 6/13/2019 [Member] |
Interest rate | 2.51%
Expiration date | 6/13/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.49%, 6/20/2019 [Member] |
Interest rate | 2.49%
Expiration date | 6/20/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.49%, 6/27/2019 [Member] |
Interest rate | 2.49%
Expiration date | 6/27/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.47%, 7/05/2019 [Member] |
Interest rate | 2.47%
Expiration date | 7/05/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.48%, 7/11/2019 [Member] |
Interest rate | 2.48%
Expiration date | 7/11/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.47%, 7/18/2019 [Member] |
Interest rate | 2.47%
Expiration date | 7/18/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.47%, 7/25/2019 [Member] |
Interest rate | 2.47%
Expiration date | 7/25/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.48%, 8/01/2019 [Member] |
Interest rate | 2.48%
Expiration date | 8/01/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.46%, 8/08/2019 [Member] |
Interest rate | 2.46%
Expiration date | 8/08/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.47%, 8/15/2019 [Member] |
Interest rate | 2.47%
Expiration date | 8/15/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.47%, 8/22/2019 [Member] |
Interest rate | 2.47%
Expiration date | 8/22/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.48%, 8/29/2019 [Member] |
Interest rate | 2.48%
Expiration date | 8/29/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.48%, 9/05/2019 [Member] |
Interest rate | 2.48%
Expiration date | 9/05/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.48%, 9/12/2019 [Member] |
Interest rate | 2.48%
Expiration date | 9/12/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.46%, 9/19/2019 [Member] |
Interest rate | 2.46%
Expiration date | 9/19/2019
Cash Equivalents [Member] | United States Treasury Obligations [Member] | U.S. Treasury Bills 2.41%, 9/26/2019 [Member] |
Interest rate | 2.41%
Expiration date | 9/26/2019

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