Fees and Related Party Transactions (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Fees and Related Party Transactions [Abstract]
Advisory fees at annual rate of net asset value of fund (in hundredths)			1.75%	1.75%
Percentage of incentive allocation (in hundredths)			20.00%	20.00%
Incentive Allocation allocated to the Fund by GAIT	$ 0	$ 0	$ 1,369,198	$ 0
Administrator's Fee [Abstract]
Administrator's fees	$ 28,170	$ 22,052	$ 57,178	$ 45,109
Class 0 Units [Member]
Sponsor Fees [Abstract]
Sponsor fees at annual rate of net asset value of fund (in hundredths)			0.75%
Class 2 Units [Member]
Sponsor Fees [Abstract]
Sponsor fees at annual rate of net asset value of fund (in hundredths)			2.75%