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      <LongName>All Reports</LongName>
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  <Logs>
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    <Log type="Info">Element exlp_GeneralPartnerUnitsInterest had a mix of decimals attribute values: 2 3.</Log>
    <Log type="Info">Element exlp_ProceedsFromSaleOfGeneralPartnerUnits had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_AllocatedShareBasedCompensationExpense had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_DebtInstrumentBasisSpreadOnVariableRate had a mix of decimals attribute values: 3 4.</Log>
    <Log type="Info">Element us-gaap_ImpairmentOfLongLivedAssetsHeldForUse had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_NoncashOrPartNoncashAcquisitionDebtAssumed1 had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_PartnersCapitalAccountUnitsAcquisitions had a mix of decimals attribute values: -5 0.</Log>
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    <Log type="Info">Element us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired had a mix of decimals attribute values: -5 -3.</Log>
    <Log type="Info">Element us-gaap_ProceedsFromIssuanceOfCommonLimitedPartnersUnits had a mix of decimals attribute values: -5 -3.</Log>
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    <Log type="Info">'Monetary' elements on report '4012 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details 3)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4020 - Disclosure - March 2012, June 2011 and August 2010 Contract Operations Acquisitions (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">'Monetary' elements on report '4030 - Disclosure - Related Party Transactions (Details)' had a mix of different decimal attribute values.</Log>
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    <Log type="Info">'Monetary' elements on report '4140 - Disclosure - Selected Quarterly Financial Data (Unaudited) (Details)' had a mix of different decimal attribute values.</Log>
    <Log type="Info">Process Flow-Through: 0010 - Statement - CONSOLIDATED BALANCE SHEETS</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column 'Dec. 31, 2009'</Log>
    <Log type="Info">Process Flow-Through: 0015 - Statement - CONSOLIDATED BALANCE SHEETS (Parenthetical)</Log>
    <Log type="Info">Process Flow-Through: 0020 - Statement - CONSOLIDATED STATEMENTS OF OPERATIONS</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
Feb. 14, 2013'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
Nov. 14, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
Aug. 14, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
May 15, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
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    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
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    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
Aug. 12, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
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    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
Feb. 14, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
Nov. 12, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
Aug. 13, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '0 Months Ended
May 14, 2010'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
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    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
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    <Log type="Info">Process Flow-Through: 0030 - Statement - CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS)</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2012'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Dec. 31, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Sep. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Jun. 30, 2011'</Log>
    <Log type="Info">	Process Flow-Through: Removing column '3 Months Ended
Mar. 31, 2011'</Log>
    <Log type="Info">Process Flow-Through: 0050 - Statement - CONSOLIDATED STATEMENTS OF CASH FLOWS</Log>
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