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Business Acquisitions (Details) (USD $) | 12 Months Ended | 0 Months Ended | 5 Months Ended
--- | --- | --- | ---
Dec. 31, 2014 | Aug. 08, 2014 | Dec. 31, 2014
Business Acquisitions |  |  |
Purchase consideration | $ 494,755,000 us-gaap_PaymentsToAcquireBusinessesGross |  |
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 |
Pro forma financial information |  |  |
Revenue attributable to the assets acquired from the date of acquisition to period end |  |  | 9,200,000 us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual / 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 |
Transaction costs | 1,000,000 us-gaap_BusinessCombinationAcquisitionRelatedCosts / 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 |

X
- Definition Amount of horsepower of compressor units acquired during the period. + References No definition available. + Details
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- Definition Represents the number of compressor units acquired during the period. + References No definition available. + Details
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- Definition Represents the length of contract operations services agreement to be effective at of the closing of the acquisition for assets acquired in the transaction. + References No definition available. + Details
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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=34752592&loc=d3e1043-128460 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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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 The amount of inventory recognized as of 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 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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- 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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- Definition The amount of property, plant, and equipment recognized as of 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 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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- Definition Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, resulting from a business combination. + References No definition available. + Details
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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