Offsetting (Details) - Offsetting Liabilities - USD ($)	Jun. 30, 2015	Dec. 31, 2014
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	$ 277,989	$ 158,247
Gross Amounts Offset in the Statement of Financial Condition	(242,918)	(142,271)
Net Amounts of Liabilities Presented in the Statement of Financial Condition	35,071	15,976
Futures and Forward Contracts [Member]
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	242,918	142,271
Gross Amounts Offset in the Statement of Financial Condition	(242,918)	(142,271)
Net Amounts of Liabilities Presented in the Statement of Financial Condition	0	0
Options Written on Futures Contracts [Member]
Offsetting Liabilities [Line Items]
Gross Amounts of Recognized Liabilities	35,071	15,976
Gross Amounts Offset in the Statement of Financial Condition	0	0
Net Amounts of Liabilities Presented in the Statement of Financial Condition	$ 35,071	$ 15,976