Offsetting (Details) - Offsetting of Derivative Assets - USD ($)	Jun. 30, 2017	Dec. 31, 2016
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	$ 71,223	$ 0
Gross Amounts Offset in the Statement of Financial Condition	(9,131)	0
Net Amounts of Assets Presented in the Statement of Financial Condition	62,092	0
Futures and Forward Contracts [Member]
Offsetting Assets [Line Items]
Gross Amounts of Recognized Assets	71,223	0
Gross Amounts Offset in the Statement of Financial Condition	(9,131)	0
Net Amounts of Assets Presented in the Statement of Financial Condition	$ 62,092	$ 0