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STATEMENTS OF FINANCIAL CONDITION (Unaudited) (Parenthetical) (USD $)
Sep. 30, 2011
Dec. 31, 2010
Investments in Affiliated Trading Companies:  
Total Investments in Affiliated Trading Companies, cost$ 60,108,470$ 68,408,357
PARTNERS' CAPITAL  
Partners' Capital (in units)57,089.88166,922.751
Class A [Member]
  
PARTNERS' CAPITAL  
Partners' Capital (in units)36,796.46739,904.989
Class B [Member]
  
PARTNERS' CAPITAL  
Partners' Capital (in units)6,339.2457,784.920
Class C [Member]
  
PARTNERS' CAPITAL  
Partners' Capital (in units)11,177.97416,438.640
Class D [Member]
  
PARTNERS' CAPITAL  
Partners' Capital (in units)1,818.843[1]1,818.843[1]
Class Z [Member]
  
PARTNERS' CAPITAL  
Partners' Capital (in units)957.352975.359
[1]Class D Units were issued beginning on March 1, 2009