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(Recoveries from RCM, Distribution Paid by US Bank from LLC, and Effect of Impaired Value of Assets Held at RCM) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 006 - Disclosure - Condensed Consolidated Schedule of Investments link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40001 - Disclosure - Condensed Consolidated Schedule of Investments (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40002 - Disclosure - Condensed Consolidated Schedule of Investments (Parenthetical) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 110 - Disclosure - Cash Management Agreement with Affiliate link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 41001 - Disclosure - Cash Management Agreement with Affiliate (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 005 - Statement - Consolidated Statement of Changes in Unitholders' Capital link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 002 - Statement - Consolidated Statements of Financial Condition link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 003 - Statement - Consolidated Statements of Financial Condition (Parenthetical) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 004 - Statement - Consolidated Statements of Operations link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 001 - Document - Document and Entity Information link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 111 - Disclosure - Derivative Instruments and Hedging Activities link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 41101 - Disclosure - Derivative Instruments and Hedging Activities (Derivatives Not Designated as Hedging Instruments) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 311 - Disclosure - Derivative Instruments and Hedging Activities (Tables) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 41102 - Disclosure - Derivative Instruments and Hedging Activities (Trading Gains (Loss)) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40301 - Disclosure - Fees (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 103 - Disclosure - Fees link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 309 - Disclosure - Financial Highlights (Tables) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40902 - Disclosure - Financial Highlights (Financial Performance Total Expenses) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 109 - Disclosure - Financial Highlights link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40901 - Disclosure - Financial Highlights (Financial Performance Total Returns) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 107 - Disclosure - Fair Value Measurements link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 307 - Disclosure - Fair Value Measurements (Tables) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40701 - Disclosure - Fair Value Measurements (Assets and Liabilities Measured at Fair Value on Recurring Basis) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40101 - Disclosure - General Information and Summary (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 101 - Disclosure - General Information and Summary link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40401 - Disclosure - Income Taxes (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 104 - Disclosure - Income Taxes link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40802 - Disclosure - Operations (Brokerage Fee Across Each Class of Units) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40801 - Disclosure - Operations (Narrative) (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 308 - Disclosure - Operations (Tables) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 108 - Disclosure - Operations link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 102 - Disclosure - Summary of Significant Accounting Policies link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40201 - Disclosure - Summary of Significant Accounting Policies (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 202 - Disclosure - Summary of Significant Accounting Policies (Policy) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 112 - Disclosure - Subsequent Events link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 41201 - Disclosure - Subsequent Events (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 105 - Disclosure - Trading Activities and Related Risks link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink 40501 - Disclosure - Trading Activities and Related Risks (Details) link:calculationLink link:definitionLink link:presentationLink link:labelLink link:referenceLink