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Earnings Per Share - Net Income Attributable to Archrock Common Stockholders (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended
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Mar. 31, 2019 | Mar. 31, 2018
Summary of net income attributable to Archrock common stockholders used in the calculation of basic and diluted income per common share |  |
Net income (loss) from continuing operations attributable to Archrock stockholders | $ 19,729 | $ (3,816)
Loss from discontinued operations, net of tax | (273) | 0
Net income (loss) attributable to Archrock stockholders | 19,456 | (3,816)
Less: Net income attributable to participating securities | (356) | (157)
Net income (loss) attributable to Archrock common stockholders | $ 19,100 | $ (3,973)
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 (in shares) | 130,238 | 71,299
Less: Weighted average participating securities outstanding (in shares) | (2,029) | (1,383)
Weighted average common shares outstanding — used in basic income (loss) per common share (in shares) | 128,209 | 69,916
Net dilutive potential common shares issuable: |  |
Weighted average common shares outstanding - used in diluted income (loss) per common share (in shares) | 128,255 | 69,916
On exercise of options and vesting of performance-based restricted stock units |  |
Net dilutive potential common shares issuable: |  |
On exercise of options (in shares) | 40 |
On the settlement of employee stock purchase plan shares |  |
Net dilutive potential common shares issuable: |  |
On exercise of options (in shares) | 6 |

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