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Equity (Tables) | 12 Months Ended
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Dec. 31, 2018
Equity [Abstract] |
Effects of changes in ownership interest | The following table presents the effects of changes in our ownership interest in the Partnership on the equity attributable to Archrock stockholders (in thousands):
| Year Ended December 31,
| 2018 |  | 2017 |  | 2016
Net income (loss) attributable to Archrock stockholders | $ | 21,063 |  |  | $ | 18,953 |  |  | $ | (54,555 | )
Increase in Archrock stockholders’ additional paid-in capital for change in ownership of Partnership common units | 56,845 |  |  | 17,638 |  |  | 18,464 |
Change from net income (loss) attributable to Archrock stockholders and transfers to noncontrolling interest | $ | 77,908 |  |  | $ | 36,591 |  |  | $ | (36,091 | )
Summary of entity's dividends per common share | The following table summarizes our dividends declared and paid in each of the quarterly periods of 2018, 2017 and 2016:
| Dividends per Common Share |  | Total Dividends (in thousands)
2016 |  |  |
Q1 | $ | 0.1875 |  |  | $ | 13,052 |
Q2 | 0.0950 |  |  | 6,711 |
Q3 | 0.0950 |  |  | 6,698 |
Q4 | 0.1200 |  |  | 8,459 |
2017 |  |  |
Q1 | $ | 0.1200 |  |  | $ | 8,458 |
Q2 | 0.1200 |  |  | 8,534 |
Q3 | 0.1200 |  |  | 8,536 |
Q4 | 0.1200 |  |  | 8,536 |
2018 |  |  |
Q1 | $ | 0.1200 |  |  | $ | 8,532 |
Q2 | 0.1200 |  |  | 15,486 |
Q3 | 0.1320 |  |  | 17,114 |
Q4 | 0.1320 |  |  | 17,156 |

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