Document Documentand Entity Information [Abstract] Document - Document and Entity Information [Abstract] Document - Document and Entity Information [Abstract] Document - Document and Entity Information [Abstract] Statement [Table] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Statement [Line Items] Entity Registrant Name Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Entity Filer Category Trading Symbol Trading Symbol Entity Common Stock Shares Outstanding Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Document Type Document Type Document Type Amendment Flag Amendment Flag Amendment Flag Document Period End Date Document Period End Date Document Period End Date Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Period Focus Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Year Focus Statement Of Financial Position [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Partner Capital Components [Axis] Statement, Partner Capital Components [Axis] Statement, Partner Capital Components [Axis] Partner Capital Components [Domain] Partner Capital Components [Domain] Partner Capital Components [Domain] Series [Member] Series A [Member] Series B [Member] Series B [Member] Other Equity Securities [Member] Series I [Member] Other Equity Securities [Member] Series C [Member] Assets [Abstract] Assets Equity in broker trading accounts Margin Deposit Assets Cash Cash in broker trading accounts Unrealized Gain Loss On Open Commodity Futures Contracts Net unrealized gain (loss) on open futures contracts Net unrealized gain (loss) on open futures contracts* Unrealized gain (loss) on open commodity futures contracts. Unrealized Gain Loss On Open Commodity Futures and Cleared Swap Contracts Net unrealized gain on open forward currency contracts Net unrealized gain (loss) on open forward currency contracts* Unrealized gain (loss) on open commodity futures and cleared swap contracts. Investments Total equity in broker trading accounts Total equity in broker trading accounts Cash Equivalents At Carrying Value Cash and cash equivalents Cash and cash equivalents Investments Fair Value Disclosure Investments in securities, at fair value Investments in securities, at fair value Certificates Of Deposit Fair Value Disclosure Certificates of deposit, at fair value Certificates of Deposit Certificates of Deposit, Fair Value Disclosure Certificates of deposit* Assets Total assets Total assets Liabilities and Equity [Abstract] Liabilities and Partners' Capital (Net Asset Value) Liabilities Amount Paid To Financial Advisor Trading Advisor management fee payable Trading Advisor management fee payable Amount paid to financial advisor. Other Payables To Broker Dealers and Clearing Organizations Commissions and other trading fees payable on open contracts Commissions and other trading fees payable on open contracts Accrued Professional Fees Current and Noncurrent Cash Manager fees payable Cash Manager fees payable Other Accrued Liabilities Current and Noncurrent General Partner fee payable General Partner fee payable Accounts Payable Related Parties Current and Noncurrent Selling Agent fees payable - General Partner Selling Agent fees payable - General Partner Accrued Liabilities Current and Noncurrent Administrative expenses payable - General Partner Administrative expenses payable - General Partner Offering Expenses Payable Current and Noncurrent Offering Expenses Payable Current And Noncurrent Offering expenses payable - General Partner Offering Expenses Payable Current and Noncurrent Payables To Broker Dealers and Clearing Organizations Broker dealer custodial fee payable - General Partner Broker dealer custodial fee payable - General Partner Professional Fees Payable Current and Noncurrent Broker dealer servicing fee payable - General Partner Broker dealer servicing fee payable - General Partner Professional fees payable Current and Noncurrent Other Payables Redemptions payable Redemptions payable Obligations of a business that arise from the acquisition of merchandise, materials, supplies and services used in the production and/or sale of goods and services not classified as Trade Payables. Other Liabilities Subscriptions received in advance Subscriptions received in advance Liabilities Total liabilities Total liabilities Partners Capital [Abstract] Partners' Capital (Net Asset Value) Partners' Capital (Net Asset Value) General Partners Capital Account General Partner Units - 6,484.1437 units outstanding at September 30, 2012 and December 31, 2011 General Partner Units - 6,484.1437 units outstanding at March 31, 2012 and December 31, 2011 Limited Partners Capital Account Limited partners Units Limited partners Units Stockholders Equity Total partners' capital (net asset value) Total partners' capital (net asset value) Liabilities and Stockholders Equity Total liabilities and partners' capital (net asset value) Total liabilities and partners' capital (net asset value) General Partners Capital Account Units Outstanding General Partner Units, units outstanding General Partner Units, units outstanding Limited Partners Capital Account Units Outstanding Limited Partners Units, units outstanding Limited Partners Units, units outstanding Income Statement [Abstract] Income Statement [Abstract] Income Statement [Abstract] General Partner [Member] General Partner [Member] Principal Transactions Revenue [Abstract] Trading Gain (Loss) from Futures and Forwards Trading Gain (Loss) from Futures and Forwards Trading Trading Securities Realized Gain Loss Net realized gain (loss) Net realized gain (loss) Trading Securities Unrealized Holding Gain Loss Net change in unrealized gain (loss) Total futures and forward currency contracts Net change in unrealized gain (loss) from futures and forwards trading Floor Brokerage Exchange and Clearance Fees Brokerage commissions and trading expenses Brokerage commissions and trading expenses Brokerage commissions and trading expenses Trading Gains Losses Net gain (loss) from futures and forwards trading Net gain (loss) from futures and forwards trading Investment Income Net [Abstract] Net Investment Loss Net Investment Loss Investment Income Interest and Dividend [Abstract] Net Investment Loss Income Investment Income Interest Interest income Interest income Gain (Loss) On Investments Net realized and change in unrealized gain (loss) on securities and certificates of deposit Net realized and change in unrealized gain on securities and certificates of deposit Net realized and change in unrealized (gain) loss in securities and certificates of deposit Nonoperating Gains (Losses) Total income Total income Costs and Expenses [Abstract] Expenses Expenses Professional Fees Trading Advisor management fees Trading Advisor management fees Incentive Compensation Expenses Trading Advisor incentive fees Trading Advisor incentive fees Incentive Compensation Expenses Management Fees Cash Manager fees Cash Manager fees Management Fees Asset Management Costs General Partner management fee General Partner fee Marketing Expense Selling Agent fees Selling Agent fees - General Partner Expense Related To Distribution Or Servicing and Underwriting Fees Broker dealer custodial fee - General Partner Custody Fees Broker dealer custodial fee - General Partner Broker dealer servicing fee - General Partner General and Administrative Expense Administrative expenses - General Partner Administrative expenses - General Partner Offering Expense Offering expenses - General Partner Offering expenses - General Partner Offering Expense Investment Expenses Total expenses Total expenses Investment Expenses Expense Waiver Administrative and offering expenses waived Administrative and offering expenses waived Expense Waiver Administrative and offering expenses waived Investment Income Investment Expense Net total expenses Net total expenses Net total expenses Investment Income Net Net investment loss Net investment loss Net Income Loss Net income (loss) Net income (loss) Net Income (Loss) Net income (loss) Increase Decrease In Net Asset Value Per Unit Increase (decrease) in net asset value per Unit Decrease in net asset value per unit Increase (Decrease) In Net Asset Value Per Unit Net Income Loss Per Outstanding Limited Partnership Unit Net income per unit* Net income (loss) per Unit (based on weighted average number of units outstanding during the period) Weighted Average Limited Partnership Units Outstanding Weighted average number of Units outstanding Weighted average number of Units outstanding Statement Of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Net Cash Provided By Used In Operating Activities [Abstract] Cash flows from operating activities Cash flows from operating activities Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net loss to net cash provided by operating activities Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities Payments To Acquire Investments Operating Activities Purchases of securities and certificates of deposit Purchases of securities and certificates of deposit Payments To Acquire Investments, Operating Activities Purchases of securities and certificates of deposit Gain Loss On Sale Of Investments Proceeds from disposition of securities and certificates of deposit Proceeds from disposition of securities and certificates of deposit Proceeds from disposition of securities and certificates of deposit Increase Decrease In Operating Capital [Abstract] Changes in Changes in Increase Decrease Management Fees Payable Trading Advisor management fee payable Trading Advisor management fee payable Increase (Decrease) Management Fees Payable Trading Advisor management fee payable Increase Decrease In Other Accounts Payable Trading Advisor incentive fee payable Trading Advisor incentive fee payable Trading Advisor incentive fee payable Increase Decrease In Payables To Broker Dealers Commissions and other trading expenses payable on open contracts Commissions and other trading expenses payable on open contracts Increase Decrease In Other Operating Liabilities Cash Manager fees payable Cash Manager fees payable Increase Decrease In Other Accrued Liabilities General Partner fee payable General Partner management fee payable Increase Decrease In Accounts Payable Related Parties Selling Agent fees payable - General Partner Selling Agent fees payable - General Partner Increase Decrease In Accrued Liabilities Administrative expenses payable - General Partner Administrative expenses payable - General Partner Increase Decrease In Offering Expense Payable Offering expenses payable - General Partner Offering expenses payable - General Partner Increase (Decrease) in Offering Expense Payable Increase Decrease In Broker Dealers Custodial Fee Payable Broker dealer custodial fee payable - General Partner Broker dealer custodial fee payable - General Partner Increase (Decrease) in Broker Dealers Custodial Fee Payable Broker dealer custodial fee payable - General Partner Increase Decrease In Broker Dealers Servicing Fee Payable Broker dealer servicing fee payable - General Partner Broker dealer servicing fee payable - General Partner Increase (Decrease) in Broker Dealers Servicing Fee Payable Net Cash Provided By Used In Operating Activities Net cash provided by operating activities Net cash provided by (used in) operating activities Net Cash Provided By Used In Financing Activities [Abstract] Cash flows from financing activities Cash flows from financing activities Proceeds From Issuance Or Sale Of Equity Subscriptions Subscriptions Proceeds From Other Equity Subscriptions received in advance Subscriptions received in advance Payments For Partnership Redemption Redemptions Redemptions The cash outflow from the capital redeemed in cash from a partner in a partnership during the period. Redemptions Net Cash Provided By Used In Financing Activities Net cash provided by financing activities Net cash provided by (used in) financing activities Cash and Cash Equivalents Period Increase Decrease Net increase in cash and cash equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents At Carrying Value Total end of period cash and cash equivalents Cash and cash equivalents, beginning of period Total end of period cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Cash and Cash Equivalents End Of Period [Abstract] End of period cash and cash equivalents consists of End of period cash and cash equivalents consists of Cash and cash equivalents, end of period [Abstract] Supplemental Cash Flow Information [Abstract] Supplemental disclosure of cash flow information Supplemental disclosure of cash flow information Supplemental Other Cash Payments Prior period redemptions paid Prior period redemptions paid Other Cash Payments not otherwise defined shall be provided in supplemental disclosures to the statement of cash flow Capital Contribution Prior period subscriptions received in advance Prior period subscriptions received in advance Prior period subscriptions received in advance The cash inflow from other equity not otherwise defined in the taxonomy. Cash Flow Noncash Investing and Financing Activities Disclosure [Abstract] Supplemental schedule of non-cash financing activities Supplemental schedule of non-cash financing activities Partnership Redemption Payable Redemptions payable Redemptions payable A future cash outflow for a partner's redemption of partnership interest during the period. Statement Of Partners Capital [Abstract] Statement of Partners' Capital [Abstract] Statement of Partners' Capital [Abstract] Partners Capital Partners Capital Beginning Balance Beginning Balance Ending Balance Partners Capital Account Units Partners Capital Account Units Beginning Balance (in units) Beginning Balance (in units) Ending Balance (in units) Partners Capital Account Contributions Subscriptions Subscriptions Partners Capital Account Units Contributed Subscriptions (in units) Subscriptions (in units) Partners Capital Account Redemptions Redemptions Partners Capital Account Redemptions Partners Capital Account Units Redeemed Redemptions (in units) Partners Capital Account Units Redeemed Transfer Of Shares Value Transfers Transfers Transfer of shares, Value. Transfer Of Shares Shares Transfers (in units) Transfers (in units) Number of shares transferred during the period. Net Asset Value Per Unit Net Asset Value Per Unit Net Asset Value Per Unit Net asset value per unit. Schedule Of Investments [Abstract] Schedule of Investments [Abstract] Major Types Of Debt and Equity Securities [Axis] Major Types of Debt and Equity Securities [Axis] Major Types Of Debt and Equity Securities [Domain] Major Types of Debt and Equity Securities [Domain] Us Treasury Securities [Member] Investment Type [Axis] Investment Type [Axis] Investment Type Categorization [Domain] Investment Type Categorization [Domain] Three Point Eight Eight Percent U.S. Treasury Note Maturing At 31-October-2012 [Member] One Point Three Eight Percent U.S. Treasury Note Maturing At 15-January-2013 [Member] One Point Three Eight Percent U.S. Treasury Note Maturing At 15-February-2013 [Member] Zero Point Six Three Percent U.S. Treasury Note Maturing At 28-February-2013 [Member] Three Point Five Percent U.S. Treasury Note Maturing At 31-May-2013 [Member] Three Point Three Eight Percent U.S. Treasury Note Maturing At 30-June-2013 [Member] Three Point Three Eight Percent U.S. Treasury Note Maturing At 31-July-2013 [Member] Four Point Two Five Percent U.S. Treasury Note Maturing At 15-August-2013 [Member] Zero Point Seven Five Percent U.S. Treasury Note Maturing At 15-August-2013 [Member] Zero Point Five Percent U.S. Treasury Note Maturing At 15-November-2013 [Member] Zero Point One Three Percent U.S. Treasury Note Maturing At 31-December-2013 [Member] Zero Point Two Percent U.S. Treasury Bill Maturing At 8-March-2012 [Member] Four Point Five Percent U.S. Treasury Note Maturing At 30-April-2012 [Member] One Point Eight Eight Percent U.S. Treasury Note Maturing At 15-June-2012 [Member] Four Point Six Three Percent U.S. Treasury Note Maturing At 31-July-2012 [Member] Zero Point Three Eight Percent U.S. Treasury Note Maturing At 30-September-2012 [Member] One Point Three Eight Percent U.S. Treasury Note Maturing At 15-November-2012 [Member] Zero Point Five Percent U.S. Treasury Note Maturing At 30-November-2012 [Member] Investment Owned, Underlying Face Amount, At Market Value Face Value Investments Maturity Date Maturity Date The maturity date of the investment. Investment Interest Rate Reflects Current Yield Percentage Yield1 Percentage indicates the interest rate in the "Investment, Interest Rate" concept is the current yield of the investment as of the date of the report. Financial Instruments, Owned, At Fair Value Fair Value Investment Owned, Percent Of Net Assets %of Partners' Capital (Net Asset Value) %of Partners' Capital(Net AssetValue) Investment Owned, At Cost Investment Owned, at Cost U.S. Government Sponsored Enterprise Notes [Member] One Point Five Percent Federal Home Loan Bank Maturing At 16-January-2013 [Member] Zero Point Three Eight Percent Federal Home Loan Bank Maturing At 29-January-2013 [Member] Zero Point Four Five Percent Federal Home Loan Bank Maturing At 4-September-2014 [Member] Zero Point Five Percent Federal National Mortgage Assoc. Maturing At 30-October-2012 [Member] Zero Point Five Percent Federal National Mortgage Assoc. Maturing At 9-August-2013 [Member] Zero Point One Seven Percent Federal Home Loan Bank Maturing At 2-April-2012 [Member] One Point Eight Eight Percent Federal Home Loan Bank Maturing At 20-June-2012 [Member] Zero Point Two Five Percent Federal Home Loan Bank Maturing At 27-June-2012 [Member] Zero Point Two Five Percent Federal Home Loan Bank Maturing At 25-July-2012 [Member] Zero Point Three Five Percent Federal Home Loan Bank Maturing At 10-August-2012 [Member] One Point Seven Five Percent Federal Home Loan Bank Maturing At 22-August-2012 [Member] Zero Point One Eight Percent Federal Home Loan Mortgage Corp. Maturing At 10-July-2012 [Member] One Point Three Eight Percent Federal Home Loan Mortgage Corp. Maturing At 9-January-2013 [Member] Zero Point Five Five Percent Federal Home Loan Mortgage Corp. Maturing At 23-September-2013 [Member] Zero Point Five Five Percent Federal Home Loan Mortgage Corp. Maturing At 30-September-2013 [Member] Four Point Eight Eight Percent Federal National Mortgage Association Maturing At 18-May-2012 [Member] Zero Point One Eight Percent Federal National Mortgage Association Maturing At 16-July-2012 [Member] One Point One Three Percent Federal National Mortgage Association Maturing At 30-July-2012 [Member] Zero Point Five Percent Federal National Mortgage Association Maturing At 30-October-2012 [Member] Area [Axis] Area [Axis] Area [Domain] Area [Domain] Foreign [Member] Government Sponsored Enterprise Notes [Member] One Point Eight Eight Percent African Development Bank Maturing At 23-January-2012 [Member] Four Point Six Three Percent European Investment Bank Maturing At 21-March-2012 [Member] Two Point Two Five Percent Soc. De Financement De L'Economie Fr. Maturing At 11-June-2012 [Member] U.S [Member] Commercial Paper [Member] Investment Subcategory [Axis] Investment Subcategory [Axis] Investment Subcategory [Domain] Investment Subcategory [Domain] Automotive [Member] Banks [Member] Beverages [Member] Diversified Financial Services [Member] Energy [Member] Healthcare [Member] Charity [Member] Food [Member] Insurance [Member] Zero Point One Five Percent Bmw Us Capital, Llc Maturing At 4-October-2012 [Member] Zero Point One Eight Percent Toyota Motor Credit Corporation Maturing At 15-November-2012 [Member] Zero Point Three Percent Hsbc Usa Inc. Maturing At 20-November-2012 [Member] Zero Point Two Four Percent Mizuho Funding Llc Maturing At 24-October-2012 [Member] Zero Point Two Nine Percent Uboc Insurance Inc Maturing At 12-October-2012 [Member]