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Business Acquisitions (Details) (USD $) | 0 Months Ended |  |
--- | --- | --- | ---
Aug. 08, 2014 | Mar. 31, 2015 | Dec. 31, 2014
Estimated fair value of acquired assets and liabilities assumed as of the acquisition date |  |  |
Goodwill |  | $ 3,738,000 us-gaap_Goodwill | $ 3,738,000 us-gaap_Goodwill
August 2014 MidCon Acquisition |  |  |
Estimated fair value of acquired assets and liabilities assumed as of the acquisition date |  |  |
Inventory | 2,302,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember |  |
Property, plant and equipment | 80,154,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember |  |
Goodwill | 3,738,000 us-gaap_Goodwill / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember |  |
Intangible assets | 48,373,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember |  |
Current liabilities | (372,000)us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilities / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember |  |
Purchase price | 134,195,000 us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember |  |
Estimated useful life | 24 years |  |
Total acquired identifiable intangible assets | 48,373,000 us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember |  |
August 2014 MidCon Acquisition | Customer related |  |  |
Estimated fair value of acquired assets and liabilities assumed as of the acquisition date |  |  |
Total acquired identifiable intangible assets | 21,590,000 us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerRelationshipsMember |  |
Average Useful Life | 25 years |  |
August 2014 MidCon Acquisition | Contract based |  |  |
Estimated fair value of acquired assets and liabilities assumed as of the acquisition date |  |  |
Total acquired identifiable intangible assets | 26,783,000 us-gaap_FinitelivedIntangibleAssetsAcquired1 / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember / us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis = us-gaap_CustomerContractsMember |  |
Average Useful Life | 5 years |  |
August 2014 MidCon Acquisition | Exterran Partners, L.P. |  |  |
Business Acquisitions |  |  |
Number of compressor units acquired | 162 exh_BusinessCombinationCompressorUnitsAcquiredNumber / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |
Horsepower of compressor units acquired | 110,000 exh_BusinessCombinationCompressorUnitsAcquiredHorsepower / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |
Purchase consideration | 130,100,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember / dei_LegalEntityAxis = exh_ExterranPartnersLPMember |  |
August 2014 MidCon Acquisition | Exterran Partners, L.P. | BHP Billiton |  |  |
Business Acquisitions |  |  |
Contract operations services agreement term | 5 years |  |
August 2014 MidCon Acquisition | EESLP |  |  |
Business Acquisitions |  |  |
Purchase consideration | $ 4,100,000 us-gaap_PaymentsToAcquireBusinessesGross / us-gaap_BusinessAcquisitionAxis = exh_August2014MidConCompressionLLCMember / dei_LegalEntityAxis = exh_ExterranEnergySolutionsLPMember |  |

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- Definition Amount of liabilities due within one year or within the normal operating cycle, if longer, assumed at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
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- Definition Amount of intangible assets, excluding goodwill, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 + Details
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- Definition Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=39739317&loc=d3e4845-128472 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 55 -Paragraph 37 -URI http://asc.fasb.org/extlink&oid=35744172&loc=d3e2207-128464 + Details
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