2.4.0.81030 - Disclosure - Deposits with Brokerstruefalsefalse1false falsefalseD2013Q2YTDhttp://www.sec.gov/CIK0000845698duration2013-01-01T00:00:002013-06-30T00:00:001true 1us-gaap_DepositAssetsAbstractus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsexbrli:stringItemTypestringfalse0Deposits with Brokers2false 2us-gaap_BrokersAndDealersDisclosureTextBlockus-gaap_truenadurationfalsefalsefalsefalsefalsefalsefalsefalseterseLabel1falsefalsefalse00<div style="font-size:10.0pt;font-family:Times New Roman;"> Note 3. Deposits with Brokers   The Partnership, through the Trading Companies, deposits assets with clearing brokers subject to CFTC regulations and various exchange and broker requirements. Margin requirements may be satisfied by the deposit of U.S. Treasury bills, Government- sponsored enterprise securities and/or cash with such clearing brokers. The Partnership earns interest income on its assets deposited with the clearing brokers. </div>falsefalsefalsenonnum:textBlockItemTypenaThe entire disclosure for financial services, specifically for brokers and dealers, for the accounting period and at the balance sheet date. Disclosure may include amounts receivable from and payable to broker-dealers and clearing organizations, including securities failed to receive, deposits received for securities loaned, amounts payable to clearing organizations related to open transactions, floor brokerage payables and payables for commodities futures accounts liquidating to an equity balance on a broker-dealer's records. May also include disclosure on company's consolidation policy and a note indicating the amount of the broker-dealer's actual net capital and the amount of required net capital.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Rule 15c3 -Number 240 -Section 1, 2, 3 -Article 15c3 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -IssueDate 2006-05-01 -Chapter 7 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. false0Deposits with BrokersfalseDeposits with BrokersUnKnownUnKnownUnKnownUnKnowntruefalsefalseSheethttp://www.grantparkfunds.com/role/DisclosureDepositsWithBrokers12