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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2021
Earnings Per Share [Abstract] |
Summary of net income (loss) attributable to Archrock common stockholders used in the calculation of basic and diluted income (loss) per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Net income (loss) | ​ | $ | 9,304 | ​ | $ | 18,332 | ​ | $ | 22,225 | ​ | $ | (73,236)
Less: Earnings attributable to participating securities | ​ |  | (456) | ​ |  | (439) | ​ |  | (909) | ​ |  | (1,083)
Net income (loss) attributable to common stockholders | ​ | $ | 8,848 | ​ | $ | 17,893 | ​ | $ | 21,316 | ​ | $ | (74,319)
Schedule of potential shares of common stock that were included in computing diluted income (loss) attributable to Archrock common stockholders per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
Weighted average common shares outstanding including participating securities | ​ | 154,041 | ​ | 152,973 | ​ | 153,422 | ​ | 152,790
Less: Weighted average participating securities outstanding |  | (1,883) |  | (1,999) |  | (1,807) |  | (2,060)
Weighted average common shares outstanding used in basic net income (loss) per common share |  | 152,158 |  | 150,974 |  | 151,615 |  | 150,730
Net dilutive potential common shares issuable: |  | ​ |  |  |  |  |  |
On exercise of options and vesting of performance-based restricted stock units |  | 138 | ​ | 57 |  | 152 |  | —
On settlement of ESPP shares |  | 1 | ​ | 7 |  | 2 |  | —
Weighted average common shares outstanding used in diluted net income (loss) per common share |  | 152,297 |  | 151,038 |  | 151,769 |  | 150,730
Schedule of potential shares of common stock issuable, excluded from computation of diluted income (loss), attributable to Archrock common stockholders per common share | ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
(in thousands) |  | 2021 |  | 2020 |  | 2021 |  | 2020
On exercise of options where exercise price is greater than average market value for the period | ​ | 15 |  | 85 |  | 27 |  | 102
On exercise of options and vesting of performance-based restricted stock units | ​ | — | ​ | — | ​ | — | ​ | 57
On settlement of ESPP shares | ​ | — | ​ | — | ​ | — | ​ | 19
Net dilutive potential common shares issuable | ​ | 15 | ​ | 85 | ​ | 27 | ​ | 178

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- Definition Tabular disclosure of securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) in the future that were not included in the computation of diluted EPS because to do so would increase EPS amounts or decrease loss per share amounts for the period presented, by antidilutive securities. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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- Definition Tabular disclosure of the weighted average number of shares used in calculating basic net earnings per share (or unit) and diluted earnings per share (or unit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257 + Details
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