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Earnings Per Share (Tables) | 9 Months Ended
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Sep. 30, 2020
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 | The following table shows the calculation for net income (loss) attributable to common stockholders, which is used in the calculation of basic and diluted net income (loss) per common share (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
Income (loss) from continuing operations | ​ | $ | 18,332 | ​ | $ | 20,407 | ​ | $ | (73,236) | ​ | $ | 51,559
Loss from discontinued operations, net of tax | ​ |  | — | ​ |  | — | ​ |  | — | ​ |  | (273)
Net income (loss) | ​ |  | 18,332 | ​ |  | 20,407 | ​ |  | (73,236) | ​ |  | 51,286
Less: Earnings attributable to participating securities | ​ |  | (439) | ​ |  | (302) | ​ |  | (1,083) | ​ |  | (876)
Net income (loss) attributable to common stockholders | ​ | $ | 17,893 | ​ | $ | 20,105 | ​ | $ | (74,319) | ​ | $ | 50,410
Schedule of potential shares of common stock that were included in computing diluted income (loss) attributable to Archrock common stockholders per common share | The following table shows the potential shares of common stock that were included in computing diluted net income (loss) per common share (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended
​ | ​ | September 30, | ​ | September 30,
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019
Weighted average common shares outstanding including participating securities | ​ | 152,973 | ​ | 144,692 | ​ | 152,790 | ​ | 135,081
Less: Weighted average participating securities outstanding |  | (1,999) |  | (1,761) |  | (2,060) |  | (1,911)
Weighted average common shares outstanding used in basic net income (loss) per common share |  | 150,974 |  | 142,931 |  | 150,730 |  | 133,170
Net dilutive potential common shares issuable: |  | ​ |  |  |  |  |  |
On exercise of options and vesting of performance-based restricted stock units |  | 57 | ​ | 33 |  | — |  | 33
On settlement of employee stock purchase plan shares |  | 7 | ​ | 1 |  | — |  | 3
Weighted average common shares outstanding used in diluted net income (loss) per common share |  | 151,038 |  | 142,965 |  | 150,730 |  | 133,206
Schedule of potential shares of common stock issuable, excluded from computation of diluted income (loss), attributable to Archrock common stockholders per common share | The following table shows the potential shares of common stock issuable that were excluded from computing diluted net income (loss) per common share as their inclusion would have been anti-dilutive (in thousands):
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Nine Months Ended | ​
​ | ​ | September 30, | ​ | September 30, | ​
​ |  | 2020 |  | 2019 |  | 2020 |  | 2019 | ​
On exercise of options where exercise price is greater than average market value for the period | ​ | 85 |  | 154 |  | 102 |  | 154 | ​
On exercise of options and vesting of performance-based restricted stock units | ​ | — | ​ | — | ​ | 57 | ​ | — | ​
On settlement of employee stock purchase plan shares | ​ | — | ​ | — | ​ | 19 | ​ | — | ​
Net dilutive potential common shares issuable | ​ | 85 | ​ | 154 | ​ | 178 | ​ | 154 | ​

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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=6371337&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=6371337&loc=d3e3550-109257 + Details
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