Cover [Abstract] Document Type Entity Interactive Data Current Amendment Flag Document Period End Date Document Fiscal Year Focus Document Fiscal Period Focus Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Entity Current Reporting Status Entity Shell Company Entity Filer Category Entity Small Business Entity Emerging Growth Company Entity Address, State or Province Entity Common Stock, Shares Outstanding Statement of Financial Position [Abstract] Statement [Table] Statement [Table] Financial Instrument [Axis] Financial Instrument [Axis] Financial Instruments [Domain] Financial Instruments [Domain] Forward Contracts [Member] Forward Contracts [Member] Investment Type [Axis] Investment Type [Axis] Investments [Domain] Investments [Domain] Future [Member] Futures Contracts [Member] Statement [Line Items] Statement [Line Items] Assets [Abstract] Assets: Assets Total assets Cash Segregated under Commodity Exchange Act Regulation Unrestricted cash Derivative Asset Net unrealized appreciation on open contracts Amounts Presented in the Statements of Financial Condition, Assets Interest Receivable Interest receivable Restricted Cash and Cash Equivalents Restricted cash Restricted cash Trading Securities, Equity Total equity in trading account Liabilities and Equity [Abstract] Liabilities and Partners' Capital: Liabilities [Abstract] Liabilities: Accrued Liabilities [Abstract] Accrued expenses: Commissions Payable to Broker-Dealers and Clearing Organizations Ongoing placement agent fees General Partner Fees Payable General Partner fees General partner fees payable. Management Fees Payable Management fees Carrying amount of the unpaid portion of the fee payable to the trading advisor. Derivative Liability Net unrealized depreciation on open contracts Amounts Presented in the Statements of Financial Condition, Liabilities Liabilities Total liabilities Redemptions Payable To Limited Partner Redemptions payable to Limited Partners Redemptions payable to limited partner. Liabilities and Equity Total liabilities and partners' capital Partners' Capital [Abstract] Partners' Capital: General Partners' Capital Account General Partner Limited Partners' Capital Account Limited Partners Partners' Capital Total partners' capital (net asset value) Partners' Capital, balance Partners' Capital, balance Net Asset Value Per Share Net asset value per Unit Net asset value per Unit, beginning of period Net asset value per Unit, end of period General Partners' Capital Account, Units Outstanding General Partner, Units outstanding Limited Partners' Capital Account, Units Outstanding Limited Partners, Units outstanding Investment Holdings [Abstract] Investment Holdings [Abstract] Schedule of Investments [Table] Schedule of Investments [Table] Asset Class [Axis] Asset Class [Axis] Asset Class [Domain] Asset Class [Domain] Derivative Financial Instruments, Assets [Member] Total Unrealized Appreciation on Open Contracts [Member] Liability Class [Axis] Liability Class [Axis] Fair Value by Liability Class [Domain] Fair Value by Liability Class [Domain] Derivative Financial Instruments, Liabilities [Member] Total Unrealized Depreciation on Open Contracts [Member] Position [Axis] Position [Axis] Position [Domain] Position [Domain] Long [Member] Long [Member] Short [Member] Short [Member] Schedule of Investments [Line Items] Schedule of Investments [Line Items] Derivative Asset, Notional Amount Notional Amount Derivative Liability, Notional Amount Notional Amount Investment Owned, Balance, Contracts Number of Contracts Investment Owned, Percent of Net Assets % of Partners' Capital Investment Owned, Unrecognized Unrealized Appreciation Unrealized Appreciation on Open Contracts Total unrealized appreciation on open contracts Investment Owned, Unrecognized Unrealized Appreciation (Depreciation), Net Net unrealized appreciation (depreciation) on open contracts Investment Owned, Unrecognized Unrealized Depreciation Unrealized Depreciation on Open Contracts Total unrealized depreciation on open contracts Trading Activity [Axis] Trading Activity [Axis] Trading Activity, by Type [Domain] Trading Activity, by Type [Domain] Commodity [Member] Commodity [Member] Equity [Member] Equity [Member] Fixed Income Interest Rate [Member] Interest Rates [Member] Foreign Exchange [Member] Currencies [Member] Income Statement [Abstract] Investment Income, Net Net investment loss Investment Income, Net [Abstract] Investment Income: Interest Income, Operating Interest income Net Income (Loss) Attributable to Parent Net income (loss) Net income (loss) Net Income (Loss), Per Outstanding Limited Partnership and General Partnership Unit, Basic and Diluted, Net of Tax Net income (loss) per Unit Operating Expenses [Abstract] Expenses: Floor Brokerage, Exchange and Clearance Fees Ongoing placement agent fees General Partner Fees General Partner fees General partner fees. Management Fee Expense Management fees Operating Expenses Total expenses Principal Transactions Revenue, Net [Abstract] Trading Results: Principal Transactions Revenue, Net Total trading results Unrealized Gain (Loss) on Investments Net change in unrealized gains (losses) on open contracts Net Gains Losses on Investment in Master Net realized gains (losses) on closed contracts Net gains (losses) on investment in master. Weighted Average Number of Limited Partnership and General Partnership Unit Outstanding, Basic and Diluted Weighted average number of Units outstanding Statement of Partners' Capital [Abstract] Partner Type [Axis] Partner Type [Axis] Partner Type of Partners' Capital Account, Name [Domain] Partner Type of Partners' Capital Account, Name [Domain] General Partner [Member] General Partner [Member] Limited Partner [Member] Limited Partners [Member] Partners' Capital Account, Units Units of Partnership Interest, balance Units of Partnership Interest, balance Partners' Capital Account, Units, Redeemed Redemptions - Redeemable Units Redemptions Limited Partners Redemptions - Limited Partners Redemptions limited partners. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Organization Accounting Policies [Abstract] Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Summary of Significant Accounting Policies Investment Company [Abstract] Investment Company, Financial Highlights [Text Block] Financial Highlights Investments, All Other Investments [Abstract] Financial Instruments Disclosure [Text Block] Financial Instruments Brokers and Dealers [Abstract] Brokers and Dealers Disclosure [Text Block] Trading Activities Fair Value Disclosures [Abstract] Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block] Fair Value Measurements Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events Basis of Accounting, Policy [Policy Text Block] Investment Company Status Earnings Per Share, Policy [Policy Text Block] Net Income (Loss) per Unit Income Tax, Policy [Policy Text Block] Income Taxes Partnership Investments [Policy Text Block] Partnerships' Investments Partnership's Investments [Policy Text Block] Profit Allocation Policy [Policy Text Block] Profit Allocation Profit allocation policy. Statement Of Cash Flows [Policy Text Block] Statement of Cash Flows Statement Of Cash Flows Policy [Text Block] Use of Estimates, Policy [Policy Text Block] Use of Estimates Partnerships Cash [Policy Text Block] Partnership's Cash Partnerships Cash [Policy Text Block] Investment Company, Financial Highlights [Table Text Block] Financial Highlights for the Limited Partner Class Schedule of Derivative Instruments Included in Trading Activities [Table Text Block] Trading Gains and Losses, by Market Sector, on Derivative Instruments Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Gross Fair Values of Derivative Instruments of Futures and Forward Contracts as Separate Assets and Liabilities Schedule of Derivative Instruments [Table Text Block] Offsetting of Derivative Assets and Liabilities Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Summary of Assets and Liabilities Measured at Fair Value Schedule of Subsidiary of Limited Liability Company or Limited Partnership [Table] Schedule of Subsidiary of Limited Liability Company or Limited Partnership [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Subsidiary of Limited Liability Company or Limited Partnership [Line Items] Subsidiary of Limited Liability Company or Limited Partnership [Line Items] Cash Held In Fund Denominated In Foreign Currency Cash denominated in foreign currencies Cash held in fund denominated in foreign currency. Cash Held In Fund Denominated In Foreign Currency At Cost Cash denominated in foreign currencies, cost Cash held in fund denominated in foreign currency at cost. Income Tax Expense (Benefit) Provision for income tax Liability for Uncertainty in Income Taxes, Current Uncertain tax position Open Tax Year Open tax year Scenario [Axis] Scenario [Domain] Investment Company, Financial Highlights [Table] Investment Company, Financial Highlights [Table] Investment Company, Financial Highlights [Line Items] Investment Company, Financial Highlights [Line Items] Investment Company, Financial Ratios [Abstract] Ratios to Average Limited Partners' Capital: Investment Company, Expense Ratio after Incentive Allocation Operating expenses after incentive fees Investment Company, Expense Ratio before Incentive Allocation Operating expenses before incentive fees Investment Company, Incentive Fee to Average Net Assets Incentive fees Investment Company, Investment Income (Loss) Ratio Net investment loss Investment Company, Investment Income (Loss) from Operations, Per Share [Abstract] Per Unit Performance (for a unit outstanding throughout the period): Investment Company, Gain (Loss) on Investment, Per Share Net realized and unrealized gains (losses) Investment Company, Investment Income (Loss) from Operations, Per Share Net increase (decrease) for the period Investment Company, Investment Income (Loss), Per Share Net investment loss Investment Company, Total Return [Abstract] Total return: Investment Company, Total Return after Incentive Fees Total return after incentive fees Investment Company, Total Return before Incentive Fees Total return before incentive fees Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative [Table] Derivative [Table] Derivative [Line Items] Derivative [Line Items] Average Notional Value Of Derivative Average notional value of derivative Average notional value of derivative. Monthly Average Number Of Derivative Contracts Traded Average number of derivative contracts traded Average number of derivative contracts traded. Investments Sector [Axis] Investment Sector [Axis] Investments sector. Investments Sector [Domain] Investment Sector [Domain] Investments sector. Metals [Member] Metals [Member] Metals [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Transaction Type [Axis] Transaction Type [Axis] Transaction [Domain] Transaction [Domain] Derivative Asset, Fair Value, Gross Liability Gross Amounts Offset in the Statements of Financial Condition, Assets Derivative, Collateral, Right to Reclaim Cash Gross Amounts Not Offset in the Statements of Financial Condition, Cash Collateral Received/ Pledged, Liabilities Derivative Asset, Fair Value, Gross Asset Gross Amounts Recognized, Assets Derivative Asset, Fair Value, Amount Offset Against Collateral Net Amount, Assets Derivative Liability, Fair Value, Gross Liability Gross Amounts Recognized, Liabilities Derivative, Fair Value, Net Net fair value Derivative Liability, Fair Value, Gross Asset Gross Amounts Offset in the Statements of Financial Condition, Liabilities Gain (Loss) on Derivative Instruments Held for Trading Purposes, Net Total trading results Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivative, Number of Instruments Held Derivative instruments held Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Fair Value, Inputs, Level 3 [Member] Level 3 [Member] Assets, Fair Value Disclosure Total assets Financial and Nonfinancial Liabilities, Fair Value Disclosure Total liabilities Fair Value, Inputs, Level 1 [Member] Level 1 [Member] Fair Value, Inputs, Level 2 [Member] Level 2 [Member]