Consolidated Statements of Changes in Members' Capital (Unaudited) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015
Members' capital, beginning balance			$ 76,385,327	$ 78,546,247
Subscriptions			1,171,500	4,288,894
Redemptions			(19,010,109)	(3,881,541)
Net income (loss)	$ (2,826,626)	$ 487,756	(4,346,706)	360,183
Members' capital, ending balance	54,200,012	79,313,783	54,200,012	79,313,783
Class 0 Units [Member]
Members' capital, beginning balance			$ 57,571,360	$ 58,300,841
Members' capital, beginning balance (in units)			390,743.099	390,307.769
Subscriptions			$ 590,000	$ 2,119,644
Subscriptions (in units)			4,066.972	13,596.869
Redemptions			$ (17,859,057)	$ (2,805,311)
Redemptions (in units)			(126,129.668)	(18,285.630)
Net income (loss)			$ (2,995,965)	$ 469,542
Members' capital, ending balance	$ 37,306,338	$ 58,084,716	$ 37,306,338	$ 58,084,716
Members' capital, ending balance (in units)	268,680.403	385,619.008	268,680.403	385,619.008
Class 2 Units [Member]
Members' capital, beginning balance			$ 18,813,967	$ 20,245,406
Members' capital, beginning balance (in units)			171,170.918	178,245.791
Subscriptions			$ 581,500	$ 2,169,250
Subscriptions (in units)			5,406.380	18,787.329
Redemptions			$ (1,151,052)	$ (1,076,230)
Redemptions (in units)			(11,014.094)	(9,059.726)
Net income (loss)			$ (1,350,741)	$ (109,359)
Members' capital, ending balance	$ 16,893,674	$ 21,229,067	$ 16,893,674	$ 21,229,067
Members' capital, ending balance (in units)	165,563.204	187,973.394	165,563.204	187,973.394