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Accounting for Derivatives (Details) (USD $) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | May 31, 2013
Fair Value Asset (Liability) |  |  |  |
Interest income recorded due to ineffectiveness related to interest rate swaps | $ 0 us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet | $ 0 us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet | $ 0 us-gaap_GainLossOnCashFlowHedgeIneffectivenessNet |
Deferred pre-tax gain (loss) to be reclassified during next 12 months | 5,300,000 us-gaap_InterestRateCashFlowHedgeGainLossToBeReclassifiedDuringNext12MonthsNet |  |  |
Designated as a hedging instrument | Interest rate hedges | Exterran Partners, L.P. |  |  |  |
Fair Value Asset (Liability) |  |  |  |
Notional amount of interest rate swaps | 400,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |  |
Weighted average effective fixed interest rate on interest rate swaps (as a percent) | 1.60%us-gaap_DerivativeFixedInterestRate / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |  |
Designated as a hedging instrument | Interest rate hedges | Derivative expiring in 2018 | Exterran Partners, L.P. |  |  |  |
Fair Value Asset (Liability) |  |  |  |
Notional amount of interest rate swaps | 300,000,000 invest_DerivativeNotionalAmount / exh_DerivativeExpirationPeriodAxis = exh_DerivativeExpiringInMay2018Member / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |  |
Designated as a hedging instrument | Interest rate hedges | Derivative expiring in 2019 | Exterran Partners, L.P. |  |  |  |
Fair Value Asset (Liability) |  |  |  |
Notional amount of interest rate swaps | 100,000,000 invest_DerivativeNotionalAmount / exh_DerivativeExpirationPeriodAxis = exh_DerivativeExpiringInMay2019Member / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = us-gaap_DesignatedAsHedgingInstrumentMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |  |
Terminated hedge, May 2013 | Interest rate hedges | Exterran Partners, L.P. |  |  |  |
Fair Value Asset (Liability) |  |  |  |
Notional amount of interest rate swaps |  |  |  | 250,000,000 invest_DerivativeNotionalAmount / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = exh_TerminatedHedgingInstrumentMay2013Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember
Derivatives liability designated as hedging instruments, Fair value |  |  |  | $ 8,800,000 us-gaap_DerivativeLiabilityNotSubjectToMasterNettingArrangement / us-gaap_DerivativeInstrumentRiskAxis = us-gaap_InterestRateSwapMember / us-gaap_HedgingDesignationAxis = exh_TerminatedHedgingInstrumentMay2013Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition Fixed interest rate related to the interest rate derivative. + References No definition available. + Details
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- Definition Fair value of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, not subject to a master netting arrangement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=36459792&loc=SL20226052-175313 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=34720828&loc=SL20225862-175312 + Details
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- Details
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- Definition The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (d)(1) -URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959 + Details
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- Definition The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=35736893&loc=d3e80748-113994 + Details
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- Details
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