Condensed Schedule of Investments (Parenthetical)
Sep. 30, 2020
USD ($)
Collateral amount $ 10,385,090
Cash Equivalents [Member] | United States - Money Market Funds | Fidelity Investments Money Market Funds - Government Portfolio, 0.01%  
Investment Interest Rate 0.01%
Cash Equivalents [Member] | United States - Money Market Funds | Goldman Sachs Financial Square Funds - Government Fund - Class FS, 0.00%  
Investment Interest Rate 0.00%
Cash Equivalents [Member] | United States - Money Market Funds | RBC U.S. Government Money Market Fund - Institutional Share Class, 0.03%  
Investment Interest Rate 0.03%