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Stock-Based Compensation - Phantom Unit Activity (Narratives) (Details) - USD ($) $ in Millions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Apr. 30, 2017 | Mar. 31, 2017
Partnership Phantom Units |  |
Unrecognized compensation |  |
Expected unrecognized compensation cost related to unvested awards (in dollars) |  | $ 1.1
Weighted-average period over which the expected unrecognized compensation cost related to unvested stock options will be recognized |  | 1 year 8 months 18 days
Subsequent Event | Exterran Partners, L.P. | Partnership Plan |  |
Stock-Based Compensation |  |
Maximum number of shares available under the Plan | 2,000,000 |
Subsequent Event | Exterran Partners, L.P. | Partnership Plan | Partnership Phantom Units | First anniversary vesting |  |
Stock-Based Compensation |  |
Vesting percentage | 33.33% |
Subsequent Event | Exterran Partners, L.P. | Partnership Plan | Partnership Phantom Units | Second anniversary vesting |  |
Stock-Based Compensation |  |
Vesting percentage | 33.33% |
Subsequent Event | Exterran Partners, L.P. | Partnership Plan | Partnership Phantom Units | Third anniversary vesting |  |
Stock-Based Compensation |  |
Vesting percentage | 33.33% |
Vesting period | 3 years |

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- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, 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 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Unrecognized cost of unvested share-based awards, other than options, awarded to employees as compensation. + References No definition available. + Details
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- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, 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 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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- Definition The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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