STATEMENTS OF CHANGES IN MEMBERS' CAPITAL (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Increase (Decrease) in Members' Capital
Members' Capital					$ 261,333,948
Net Income (Loss)	1,680,249		8,894,487		5,036,217		16,382,949
Members' Capital	266,562,443				266,562,443
Total Members' Capital
Increase (Decrease) in Members' Capital
Members' Capital					261,333,948		88,998,199
Members' Capital (in units)					199,711,080		74,246,182
Subscriptions					11,679,341		165,214,059
Subscriptions (in units)					7,993,072		148,250,639
Redemptions					(11,487,063)		(24,646,940)
Redemptions (in units)					(9,478,236)		(22,626,356)
Net Income (Loss)					5,036,217		16,382,949
Members' Capital	266,562,443		245,948,267		266,562,443		245,948,267
Members' Capital (in units)	198,225,916		199,870,465		198,225,916		199,870,465
Class A
Increase (Decrease) in Members' Capital
Members' Capital					5,027,628	[1]	1,619,480	[1]
Members' Capital (in units)					4,266,016	[1]	1,510,078	[1]
Subscriptions							3,109,070	[1]
Subscriptions (in units)							2,843,249	[1]
Redemptions					(743,757)	[1]
Redemptions (in units)					(613,029)	[1]
Net Income (Loss)					60,680	[1]	126,239	[1]
Members' Capital	4,344,551	[1]	4,854,789	[1]	4,344,551	[1]	4,854,789	[1]
Members' Capital (in units)	3,652,987	[1]	4,353,327	[1]	3,652,987	[1]	4,353,327	[1]
Class C
Increase (Decrease) in Members' Capital
Members' Capital					26,142,926	[1]	10,404,329	[1]
Members' Capital (in units)					22,460,685	[1]	9,725,362	[1]
Subscriptions							15,150,516	[1]
Subscriptions (in units)							14,066,831	[1]
Redemptions					(2,388,738)	[1]	(623,812)	[1]
Redemptions (in units)					(1,979,388)	[1]	(563,384)	[1]
Net Income (Loss)					122,970	[1]	717,026	[1]
Members' Capital	23,877,158	[1]	25,648,059	[1]	23,877,158	[1]	25,648,059	[1]
Members' Capital (in units)	20,481,297	[1]	23,228,809	[1]	20,481,297	[1]	23,228,809	[1]
Class D
Increase (Decrease) in Members' Capital
Members' Capital					14,733,244	[1]	11,002,450	[1]
Members' Capital (in units)					12,285,319	[1]	10,234,679	[1]
Subscriptions							2,182,138	[1]
Subscriptions (in units)							2,050,640	[1]
Redemptions					(100,360)	[1]
Redemptions (in units)					(82,000)	[1]
Net Income (Loss)					303,135	[1]	704,612	[1]
Members' Capital	14,936,019	[1]	13,889,200	[1]	14,936,019	[1]	13,889,200	[1]
Members' Capital (in units)	12,203,319	[1]	12,285,319	[1]	12,203,319	[1]	12,285,319	[1]
Class I
Increase (Decrease) in Members' Capital
Members' Capital					10,263,653	[1]	4,987,007	[1]
Members' Capital (in units)					8,622,031	[1]	4,622,411	[1]
Subscriptions							4,217,095	[1]
Subscriptions (in units)							3,948,545	[1]
Redemptions					(84,343)	[1]	(235,954)	[1]
Redemptions (in units)					(70,000)	[1]	(217,008)	[1]
Net Income (Loss)					125,072	[1]	432,536	[1]
Members' Capital	10,304,382	[1]	9,400,684	[1]	10,304,382	[1]	9,400,684	[1]
Members' Capital (in units)	8,552,031	[1]	8,353,948	[1]	8,552,031	[1]	8,353,948	[1]
Class DS
Increase (Decrease) in Members' Capital
Members' Capital					159,599,857		60,984,933
Members' Capital (in units)					112,965,644		48,153,652
Subscriptions					11,554,135		79,646,568
Subscriptions (in units)					7,888,201		64,489,770
Redemptions							(3,423,232)
Redemptions (in units)							(2,668,473)
Net Income (Loss)					3,103,588		9,265,054
Members' Capital	174,257,580		146,473,323		174,257,580		146,473,323
Members' Capital (in units)	120,853,845		109,974,949		120,853,845		109,974,949
Class DT
Increase (Decrease) in Members' Capital
Members' Capital					45,566,640	[2]
Members' Capital (in units)					39,111,385	[2]
Subscriptions					125,206	[2]	60,908,672	[2]
Subscriptions (in units)					104,871	[2]	60,851,604	[2]
Redemptions					(8,169,865)	[2]	(20,363,942)	[2]
Redemptions (in units)					(6,733,819)	[2]	(19,177,491)	[2]
Net Income (Loss)					1,320,772	[2]	5,137,482	[2]
Members' Capital	$ 38,842,753	[2]	$ 45,682,212	[2]	$ 38,842,753	[2]	$ 45,682,212	[2]
Members' Capital (in units)	32,482,437	[2]	41,674,113	[2]	32,482,437	[2]	41,674,113	[2]

[1] Units issued on August 1, 2009.

[2] Units issued on February 1, 2010.