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Basis of Presentation and Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Summary of net income attributable to Exterran common stockholders used in the calculation of basic and diluted income per common share |  |
Income from continuing operations attributable to Exterran stockholders | $ 13,429 us-gaap_IncomeLossFromContinuingOperations | $ 13,869 us-gaap_IncomeLossFromContinuingOperations
Income from discontinued operations, net of tax | 18,713 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 18,727 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Less: Net income attributable to participating securities | (410)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic | (480)us-gaap_ParticipatingSecuritiesDistributedAndUndistributedEarningsLossBasic
Net income attributable to Exterran common stockholders | 31,732 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic | 32,116 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic
Potential shares of common stock included in computing diluted income attributable to Exterran common stockholders per common share |  |
Weighted average common shares outstanding including participating securities | 69,179 exh_WeightedAverageCommonSharesOutstandingIncludingParticipatingSecurities | 66,416 exh_WeightedAverageCommonSharesOutstandingIncludingParticipatingSecurities
Less: Weighted average participating securities outstanding | (927)exh_WeightedAverageParticipatingSecuritiesOutstanding | (1,026)exh_WeightedAverageParticipatingSecuritiesOutstanding
Weighted average common shares outstanding - used in basic income per common share | 68,252 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic | 65,390 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic
Net dilutive potential common shares issuable: |  |
On exercise of options and vesting of restricted stock units (in shares) | 282 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements | 616 us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements
On settlement of employee stock purchase plan shares |  | 2 us-gaap_IncrementalCommonSharesAttributableToEquityUnitPurchaseAgreements
On exercise of warrants |  | 1,784 us-gaap_IncrementalCommonSharesAttributableToCallOptionsAndWarrants
Weighted average common shares outstanding - used in diluted income per common share | 68,534 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding | 67,792 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding
Adjustments to net income attributable to Exterran common stockholders for the diluted earnings (loss) per common share calculation | $ 0 us-gaap_DilutiveSecurities | $ 0 us-gaap_DilutiveSecurities

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- Definition Represents the number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, including participating securities determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References No definition available. + Details
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- Definition Amount of increase (decrease) to net income used for calculating diluted earnings per share (EPS), resulting from the assumed exercise stock options, restrictive stock units (RSUs), convertible preferred stock of an employee stock ownership plan (ESOP), and other dilutive convertible securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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- Definition Amount of income (loss) from continuing operations attributable to the parent. Also defined as revenue less expenses and taxes from ongoing operations before extraordinary items but after deduction of those portions of income or loss from continuing operations that are allocable to noncontrolling interests. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 45 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=7656940&loc=SL4613673-111683 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.13) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.14) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 5 + Details
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