FINANCIAL DATA HIGHLIGHTS (USD $)	3 Months Ended				9 Months Ended
	Sep. 30, 2011		Sep. 30, 2010		Sep. 30, 2011		Sep. 30, 2010
Class A
Per Unit Operating Performance:
Net asset value, beginning of period	$ 1.1858		$ 1.0787		$ 1.1785		$ 1.0724
Net realized and net change in unrealized trading profit(loss)	$ 0.0183		$ 0.0614		$ 0.0563		$ 0.1022
Brokerage commissions	$ (0.0010)		$ (0.0011)		$ (0.0033)		$ (0.0029)
Interest income	$ 0.0001		$ 0.0000		$ 0.0001		$ 0.0000
Expenses	$ (0.0139)		$ (0.0238)		$ (0.0423)		$ (0.0565)
Net asset value, end of period	$ 1.1893		$ 1.1152		$ 1.1893		$ 1.1152
Total Return:
Total return before Performance fees (as a percent)	0.49%	[1]	4.64%	[1]	1.42%	[1]	6.24%	[1]
Performance fees (as a percent)	(0.25%)	[1]	(1.26%)	[1]	(0.85%)	[1]	(2.59%)	[1]
Total return after Performance fees (as a percent)	0.24%	[1]	3.38%	[1]	0.57%	[1]	3.65%	[1]
Ratios to Average Member's Capital:
Expenses (excluding Performance fees) (as a percent)	0.93%		0.95%		2.83%		2.83%
Performance fees (as a percent)	0.22%		1.23%		0.68%		2.39%
Expenses (including Performance fees) (as a percent)	1.15%		2.18%		3.51%		5.22%
Net investment income (loss) (as a percent)	(1.15%)		(2.18%)		(3.50%)		(5.21%)
Class C
Per Unit Operating Performance:
Net asset value, beginning of period	$ 1.1652		$ 1.0707		$ 1.1639		$ 1.0698
Net realized and net change in unrealized trading profit(loss)	$ 0.0180		$ 0.0609		$ 0.0557		$ 0.1016
Brokerage commissions	$ (0.0010)		$ (0.0011)		$ (0.0032)		$ (0.0029)
Interest income	$ 0.0001		$ 0.0000		$ 0.0001		$ 0.0000
Expenses	$ (0.0165)		$ (0.0264)		$ (0.0507)		$ (0.0644)
Net asset value, end of period	$ 1.1658		$ 1.1041		$ 1.1658		$ 1.1041
Total Return:
Total return before Performance fees (as a percent)	0.24%	[1]	4.38%	[1]	0.66%	[1]	5.45%	[1]
Performance fees (as a percent)	(0.25%)	[1]	(1.26%)	[1]	(0.85%)	[1]	(2.59%)	[1]
Total return after Performance fees (as a percent)	(0.01%)	[1]	3.12%	[1]	(0.19%)	[1]	2.86%	[1]
Ratios to Average Member's Capital:
Expenses (excluding Performance fees) (as a percent)	1.18%		1.20%		3.58%		3.58%
Performance fees (as a percent)	0.22%		1.23%		0.68%		2.39%
Expenses (including Performance fees) (as a percent)	1.40%		2.43%		4.26%		5.97%
Net investment income (loss) (as a percent)	(1.40%)		(2.44%)		(4.25%)		(5.97%)
Class D
Per Unit Operating Performance:
Net asset value, beginning of period	$ 1.2157		$ 1.0895		$ 1.1993		$ 1.0750
Net realized and net change in unrealized trading profit(loss)	$ 0.0187		$ 0.0622		$ 0.0571		$ 0.1030
Brokerage commissions	$ (0.0010)		$ (0.0012)		$ (0.0033)		$ (0.0029)
Interest income	$ 0.0001		$ 0.0000		$ 0.0001		$ 0.0000
Expenses	$ (0.0096)		$ (0.0199)		$ (0.0293)		$ (0.0445)
Net asset value, end of period	$ 1.2239		$ 1.1306		$ 1.2239		$ 1.1306
Total Return:
Total return before Performance fees (as a percent)	0.87%	[1]	5.03%	[1]	2.57%	[1]	7.44%	[1]
Performance fees (as a percent)	(0.25%)	[1]	(1.26%)	[1]	(0.85%)	[1]	(2.59%)	[1]
Total return after Performance fees (as a percent)	0.62%	[1]	3.77%	[1]	1.72%	[1]	4.85%	[1]
Ratios to Average Member's Capital:
Expenses (excluding Performance fees) (as a percent)	0.56%		0.57%		1.70%		1.70%
Performance fees (as a percent)	0.22%		1.23%		0.68%		2.38%
Expenses (including Performance fees) (as a percent)	0.78%		1.80%		2.38%		4.08%
Net investment income (loss) (as a percent)	(0.77%)		(1.80%)		(2.37%)		(4.08%)
Class I
Per Unit Operating Performance:
Net asset value, beginning of period	$ 1.2001		$ 1.0874		$ 1.1904		$ 1.0789
Net realized and net change in unrealized trading profit(loss)	$ 0.0185		$ 0.0620		$ 0.0568		$ 0.1030
Brokerage commissions	$ (0.0010)		$ (0.0012)		$ (0.0033)		$ (0.0029)
Interest income	$ 0.0001		$ 0.0000		$ 0.0001		$ 0.0000
Expenses	$ (0.0128)		$ (0.0229)		$ (0.0391)		$ (0.0537)
Net asset value, end of period	$ 1.2049		$ 1.1253		$ 1.2049		$ 1.1253
Total Return:
Total return before Performance fees (as a percent)	0.59%	[1]	4.74%	[1]	1.73%	[1]	6.56%	[1]
Performance fees (as a percent)	(0.25%)	[1]	(1.26%)	[1]	(0.85%)	[1]	(2.59%)	[1]
Total return after Performance fees (as a percent)	0.34%	[1]	3.48%	[1]	0.88%	[1]	3.97%	[1]
Ratios to Average Member's Capital:
Expenses (excluding Performance fees) (as a percent)	0.83%		0.85%		2.52%		2.53%
Performance fees (as a percent)	0.22%		1.23%		0.68%		2.38%
Expenses (including Performance fees) (as a percent)	1.05%		2.08%		3.20%		4.91%
Net investment income (loss) (as a percent)	(1.05%)		(2.08%)		(3.20%)		(4.91%)
Class DS
Per Unit Operating Performance:
Net asset value, beginning of period	$ 1.4322		$ 1.2835		$ 1.4128		$ 1.2665
Net realized and net change in unrealized trading profit(loss)	$ 0.0221		$ 0.0733		$ 0.0674		$ 0.1214
Brokerage commissions	$ (0.0012)		$ (0.0014)		$ (0.0039)		$ (0.0035)
Interest income	$ 0.0001		$ 0.0000		$ 0.0001		$ 0.0000
Expenses	$ (0.0113)		$ (0.0235)		$ (0.0345)		$ (0.0525)
Net asset value, end of period	$ 1.4419		$ 1.3319		$ 1.4419		$ 1.3319
Total Return:
Total return before Performance fees (as a percent)	0.87%	[1]	5.03%	[1]	2.57%	[1]	7.44%	[1]
Performance fees (as a percent)	(0.25%)	[1]	(1.26%)	[1]	(0.85%)	[1]	(2.59%)	[1]
Total return after Performance fees (as a percent)	0.62%	[1]	3.77%	[1]	1.72%	[1]	4.85%	[1]
Ratios to Average Member's Capital:
Expenses (excluding Performance fees) (as a percent)	0.56%		0.57%		1.70%		1.70%
Performance fees (as a percent)	0.22%		1.23%		0.68%		2.38%
Expenses (including Performance fees) (as a percent)	0.78%		1.80%		2.38%		4.08%
Net investment income (loss) (as a percent)	(0.77%)		(1.80%)		(2.37%)		(4.08%)
Class DT
Per Unit Operating Performance:
Net asset value, beginning of period	$ 1.1855		$ 1.0543	[2]	$ 1.1650		$ 1.0000	[2]
Net realized and net change in unrealized trading profit(loss)	$ 0.0183		$ 0.0603	[2]	$ 0.0555		$ 0.1345	[2]
Brokerage commissions	$ (0.0010)		$ (0.0011)	[2]	$ (0.0032)		$ (0.0027)	[2]
Interest income	$ 0.0001		$ 0.0000	[2]	$ 0.0001		$ 0.0000	[2]
Expenses	$ (0.0071)		$ (0.0173)	[2]	$ (0.0216)		$ (0.0356)	[2]
Net asset value, end of period	$ 1.1958		$ 1.0962	[2]	$ 1.1958		$ 1.0962	[2]
Total Return:
Total return before Performance fees (as a percent)	1.13%	[1]	5.30%	[1],[2]	3.35%	[1]	12.18%	[1],[2]
Performance fees (as a percent)	(0.32%)	[1]	(1.32%)	[1],[2]	(1.04%)	[1]	(2.76%)	[1],[2]
Total return after Performance fees (as a percent)	0.81%	[1]	3.98%	[1],[2]	2.31%	[1]	9.42%	[1],[2]
Ratios to Average Member's Capital:
Expenses (excluding Performance fees) (as a percent)	0.30%		0.31%	[2]	0.94%		0.82%	[2]
Performance fees (as a percent)	0.29%		1.30%	[2]	0.87%		2.55%	[2]
Expenses (including Performance fees) (as a percent)	0.59%		1.61%	[2]	1.81%		3.37%	[2]
Net investment income (loss) (as a percent)	(0.58%)		(1.61%)	[2]	(1.80%)		(3.37%)	[2]

[1] The total return calculations are based on compounded monthly returns and are calculated for each class taken as a whole. An individual members' return may vary from these returns based on timing of capital transactions.

[2] Units issued on February 1, 2010.