Consolidated Statements of Changes in Members' Capital Equity (USD $)	Blended Strategies Portfolio [Member]	Blended Strategies Portfolio [Member] Class 0 Units [Member]	Blended Strategies Portfolio [Member] Class 2 Units [Member]	Systematic Strategies Portfolio [Member]	Systematic Strategies Portfolio [Member] Class 0 Units [Member]	Systematic Strategies Portfolio [Member] Class 2 Units [Member]	Total
Members' capital at Dec. 31, 2009	$ 104,469,283	$ 86,253,313	$ 18,215,970	$ 7,246,605	$ 4,210,889	$ 3,035,716	$ 111,715,888
Members' capital, units at Dec. 31, 2009		636,284.928	161,590.940		41,862.245	30,647.378
Subscriptions	16,710,318	14,591,489	2,118,829	7,245,768	6,088,798	1,156,970	23,956,086
Subscriptions (in units)		109,024.263	19,076.923		65,088.961	12,128.200
Redemptions	(4,265,676)	(2,956,776)	(1,308,900)	(337,724)	(155,255)	(182,469)	(4,603,400)
Redemptions (in units)		(21,916.867)	(11,792.392)		(1,592.771)	(1,941.237)
Net loss	(653,295)	(372,446)	(280,849)	(258,264)	(59,032)	(199,232)	(911,559)
Members' capital at Jun. 30, 2010	116,260,630	97,515,580	18,745,050	13,896,385	10,085,400	3,810,985	130,157,015
Members' capital, units at Jun. 30, 2010		723,392.324	168,875.471		105,358.435	40,834.341
Members' capital at Dec. 31, 2010	147,900,169	121,701,356	26,198,813	21,286,941	12,648,247	8,638,694	169,187,110
Members' capital, units at Dec. 31, 2010		875,825.668	230,452.833		122,899.506	86,626.635
Subscriptions	31,877,991	24,304,351	7,573,640	10,197,719	3,183,212	7,014,507	42,075,710
Subscriptions (in units)		174,626.189	67,098.824		30,967.594	70,875.708
Redemptions	(6,239,813)	(4,515,339)	(1,724,474)	(1,443,532)	(605,177)	(838,355)	(7,683,345)
Redemptions (in units)		(32,717.946)	(15,340.236)		(5,890.791)	(8,676.685)
Net loss	(8,179,686)	(6,464,008)	(1,715,678)	(2,249,568)	(1,080,494)	(1,169,074)	(10,429,254)
Members' capital at Jun. 30, 2011	$ 165,358,661	$ 135,026,360	$ 30,332,301	$ 27,791,560	$ 14,145,788	$ 13,645,772	$ 193,150,221
Members' capital, units at Jun. 30, 2011		1,017,733.911	282,211.421		147,976.309	148,825.658