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Long-Term Debt (Details 5) (USD $) | 12 Months Ended | 1 Months Ended
--- | --- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Apr. 30, 2014
Long-Term Debt |  |  |  |
Proceeds from borrowings of long-term debt | $ 2,240,299,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt | $ 2,108,037,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt | $ 1,878,000,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt |
Amortization of debt discount | 12,380,000 us-gaap_AmortizationOfDebtDiscountPremium | 23,407,000 us-gaap_AmortizationOfDebtDiscountPremium | 20,523,000 us-gaap_AmortizationOfDebtDiscountPremium |
Exterran Partners, L.P. |  |  |  |
Long-Term Debt |  |  |  |
Amount of unamortized discount of notes | 9,700,000 us-gaap_DebtInstrumentUnamortizedDiscount / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |  |
Partnership's 6% senior notes due 2022 | Exterran Partners, L.P. |  |  |  |
Long-Term Debt |  |  |  |
Principle amount of senior notes |  |  |  | 350,000,000 us-gaap_DebtInstrumentFaceAmount / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Interest rate (as a percent) | 6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member |  |  | 6.00%us-gaap_DebtInstrumentInterestRateStatedPercentage / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Proceeds from borrowings of long-term debt |  |  |  | 337,400,000 us-gaap_ProceedsFromIssuanceOfLongTermDebt / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Transaction costs |  |  |  | 6,900,000 us-gaap_DebtIssuanceCosts / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Amount of unamortized discount of notes | 5,200,000 us-gaap_DebtInstrumentUnamortizedDiscount / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member |  |  | 5,700,000 us-gaap_DebtInstrumentUnamortizedDiscount / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Effective interest rate (as a percent) |  |  |  | 6.25%us-gaap_DebtInstrumentInterestRateEffectivePercentage / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Amortization of debt discount | $ 500,000 us-gaap_AmortizationOfDebtDiscountPremium / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member |  |  |
Partnership's 6% senior notes due 2022 | Prior to April 1, 2017 | Exterran Partners, L.P. |  |  |  |
Long-Term Debt |  |  |  |
Maximum percentage of the aggregate principal amount of debt instruments that may be redeemed |  |  |  | 35.00%exh_LongTermDebtRedemptionWithNetProceedsFromEquityOfferingsAsPercentageOfPrincipalAmountMaximum / us-gaap_DebtInstrumentRedemptionPeriodAxis = exh_DebtInstrumentRedemptionPeriodPriorTo01April2017Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Number of equity offerings |  |  |  | 1 exh_LongTermDebtRedemptionWithNetProceedsFromPublicAndPrivateEquityOfferingsNumberOfOfferingsMinimum / us-gaap_DebtInstrumentRedemptionPeriodAxis = exh_DebtInstrumentRedemptionPeriodPriorTo01April2017Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Redemption price as percentage of principal amount |  |  |  | 106.00%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = exh_DebtInstrumentRedemptionPeriodPriorTo01April2017Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Minimum notes remaining outstanding if notes redeemed prior to 2017 (as a percent) |  |  |  | 65.00%exh_LongTermDebtNotesToRemainOutstandingAsPercentageOfPrincipalAmountMinimum / us-gaap_DebtInstrumentRedemptionPeriodAxis = exh_DebtInstrumentRedemptionPeriodPriorTo01April2017Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Maximum number of days within which the entity may redeem a percentage of the note following the date of the closing of equity offering |  |  |  | 180 days
Partnership's 6% senior notes due 2022 | Twelve month period beginning April 1, 2018 | Exterran Partners, L.P. |  |  |  |
Long-Term Debt |  |  |  |
Redemption price as percentage of principal amount |  |  |  | 103.00%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = exh_DebtInstrumentTwelveMonthRedemptionPeriodBeginning01April2018Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Partnership's 6% senior notes due 2022 | Twelve month period beginning April 1, 2019 | Exterran Partners, L.P. |  |  |  |
Long-Term Debt |  |  |  |
Redemption price as percentage of principal amount |  |  |  | 101.50%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = exh_DebtInstrumentTwelveMonthRedemptionPeriodBeginning01April2019Member / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member
Partnership's 6% senior notes due 2022 | Beginning April 1, 2020 and thereafter | Exterran Partners, L.P. |  |  |  |
Long-Term Debt |  |  |  |
Redemption price as percentage of principal amount |  |  |  | 100.00%us-gaap_DebtInstrumentRedemptionPricePercentage / us-gaap_DebtInstrumentRedemptionPeriodAxis = exh_DebtInstrumentRedemptionPeriodFrom01April2020AndThereafterMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember / us-gaap_LongtermDebtTypeAxis = exh_PartnershipSeniorNotesDue2022Member

X
- Definition Represents the maximum period of time within which the entity may redeem a percentage of the note with net proceeds of public or private equity offering following the date of the closing of such equity offering. + References No definition available. + Details
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- Definition Represents the maximum percentage of the aggregate principal amount of debt instruments that may be redeemed with net proceeds of equity offerings prior to specified date. + References No definition available. + Details
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- Definition Amount of noncash expense included in interest expense to amortize debt discount and premium associated with the related debt instruments. Excludes amortization of financing costs. Alternate captions include noncash interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 + Details
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- Definition Face (par) amount of debt instrument at time of issuance. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The amount of debt discount that was originally recognized at the issuance of the instrument that has yet to be amortized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 1A -URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28541-108399 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 55 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=34725769&loc=d3e28878-108400 + Details
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