XML 46 R36.htm IDEA: XBRL DOCUMENT v3.8.0.1
Subsequent Events (Details) - USD ($)
1 Months Ended 9 Months Ended
Nov. 14, 2017
Sep. 30, 2017
Sep. 30, 2016
Subsequent Events      
Contributions   $ 6,535,745 $ 17,551,250
Redemptions   $ 42,040,695 $ 54,134,811
Subsequent Event      
Subsequent Events      
Contributions $ 137,000    
Redemptions $ 137,000