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Equity (Narratives) (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Apr. 24, 2019 | Mar. 31, 2019 | Mar. 31, 2018
Class of Stock |  |  |
Merger-related costs |  | $ 180 | $ 4,125
Ownership percentage held by reporting entity (percent) |  |  | 57.00%
Subsequent Event |  |  |
Distributions |  |  |
Dividend declared per common stock (in dollars per share) | $ 0.132 |  |
Archrock | Archrock, Inc. |  |  |
Class of Stock |  |  |
Ownership interest (percent) |  |  | 43.00%
Senior Notes |  |  |
Class of Stock |  |  |
Interest rate (as a percent) |  | 6.00% |

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