Consolidated Statements of Changes in Members' Capital (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Class 0 Units [Member]
Members' capital, beginning balance			$ 58,300,841	$ 58,310,022
Members' capital, beginning balance (in units)			390,307.769	456,544.588
Subscriptions			$ 2,119,644	$ 2,199,000
Subscriptions (in units)			13,596.869	19,098.756
Redemptions			$ (2,805,311)	$ (12,681,116)
Redemptions (in units)			(18,285.630)	(108,939.118)
Net income (loss)			$ 469,542	$ 433,347
Members' capital, ending balance	$ 58,084,716	$ 48,261,253	$ 58,084,716	$ 48,261,253
Members' capital, ending balance (in units)	385,619.008	366,704.226	385,619.008	366,704.226
Class 2 Units [Member]
Members' capital, beginning balance			$ 20,245,406	$ 18,349,524
Members' capital, beginning balance (in units)			178,245.791	186,461.512
Subscriptions			$ 2,169,250	$ 2,625,795
Subscriptions (in units)			18,787.329	28,469.539
Redemptions			$ (1,076,230)	$ (2,386,480)
Redemptions (in units)			(9,059.726)	(26,558.192)
Net income (loss)			$ (109,359)	$ 228,624
Members' capital, ending balance	$ 21,229,067	$ 18,817,463	$ 21,229,067	$ 18,817,463
Members' capital, ending balance (in units)	187,973.394	188,372.859	187,973.394	188,372.859
Members' capital, beginning balance			$ 78,546,247	$ 76,659,546
Subscriptions			4,288,894	4,824,795
Redemptions			(3,881,541)	(15,067,596)
Net income (loss)	$ 487,756	$ 8,570,601	360,183	661,971
Members' capital, ending balance	$ 79,313,783	$ 67,078,716	$ 79,313,783	$ 67,078,716