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Shareholders' Equity - Class A Units (Details) - Class A Units | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2016 shares | Feb. 29, 2016 shares | Dec. 31, 2015 shares
Operating Partnership |  |  |
Class of Stock [Line Items] |  |  |
Stock exchange ratio | 1 |  |
Percentage of units outstanding | 81.40% |  | 93.50%
Units outstanding (in shares) | 298,931,517 |  | 222,311,255
American Residential Properties Inc. |  |  |
Class of Stock [Line Items] |  |  |
Units outstanding (in shares) |  | 1,343,843 |
American Residential Properties Inc. | Operating Partnership |  |  |
Class of Stock [Line Items] |  |  |
Percentage of units outstanding | 0.40% |  |
Units outstanding (in shares) | 1,279,316 |  |

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