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Stock-Based Compensation (Tables) | 3 Months Ended
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Mar. 31, 2018
Stock-Based Compensation |
Summary of stock option activity | The following table presents stock option activity during the three months ended March 31, 2018:
| Stock Options (in thousands) |  | Weighted Average Exercise Price Per Share |  | Weighted Average Remaining Life (in years) |  | Aggregate Intrinsic Value (in thousands)
Options outstanding, January 1, 2018 | 489 |  |  | $ | 12.28 |  |  |  |  |
Canceled | (53 | ) |  | 13.96 |  |  |  |  |
Options outstanding and exercisable, March 31, 2018 | 436 |  |  | 12.07 |  |  | 1.4 |  | $ | 548 |
Schedule of restricted stock, restricted stock unit, performance unit, cash settled restricted stock unit and cash settled performance unit activity | The following table presents restricted stock, restricted stock unit, performance unit, cash-settled restricted stock unit and cash- settled performance unit activity during the three months ended March 31, 2018:
| Shares (in thousands) |  | Weighted Average Grant Date Fair Value Per Share
Non-vested awards, January 1, 2018 | 1,440 |  |  | $ | 10.39 |
Granted | 1,089 |  |  | 9.50 |
Vested | (480 | ) |  | 9.57 |
Canceled | (47 | ) |  | 11.33 |
Non-vested awards, March 31, 2018 (1) | 2,002 |  |  | 10.08 |
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(1) | Non-vested awards as of March 31, 2018 are comprised of 272,000 cash-settled restricted stock units and cash-settled performance units and 1,730,000 restricted shares and stock-settled performance units.
Exterran Partners, L.P. |
Stock-Based Compensation |
Schedule of phantom unit activity | The following table presents phantom unit activity during the three months ended March 31, 2018:
| Phantom Units (in thousands) |  | Weighted Average Grant Date Fair Value per Unit
Phantom units outstanding, January 1, 2018 | 153 |  |  | $ | 12.19 |
Vested | (53 | ) |  | 11.24 |
Phantom units outstanding, March 31, 2018 | 100 |  |  | 12.69 |

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- Definition Tabular disclosure of the changes in outstanding nonvested shares. + 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 (c)(2) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value. + 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 (d) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year. + References No definition available. + 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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