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Statements of Financial Condition (Unaudited) (Parenthetical)
Jun. 30, 2011
Dec. 31, 2010
Capital Unit, Class A
   
Partners' Capital:    
General Partner, units 0 562.789
Limited Partners, units 230,610.166 52,488.504
Capital Unit, Class D
   
Partners' Capital:    
General Partner, units 2,857.475 0
Limited Partners, units 12,276.423 0