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Shareholders' Equity - Noncontrolling Interest Narrative (Details) - shares | Dec. 31, 2016 | Sep. 30, 2016 | Feb. 29, 2016 | Feb. 28, 2016 | Dec. 31, 2015
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Class A Units | Operating Partnership |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Equity interest rate | 81.40% |  |  |  | 93.50%
Units outstanding (in shares) | 298,931,517 |  |  |  | 222,311,255
Series D Convertible Units | Operating Partnership |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Units owned (in shares) |  | 8,750,000 |  |  |
AH LLC |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Equity interest rate | 18.40% |  |  |  | 22.10%
AH LLC | Class A Units |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Units owned (in shares) | 54,276,644 |  |  |  | 14,440,670
AH LLC | Class A Units | Operating Partnership |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Equity interest rate | 18.20% |  |  |  | 6.50%
AH LLC | Series C Convertible Units |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Units owned (in shares) | 0 |  |  |  | 31,085,974
AH LLC | Series C Convertible Units | Operating Partnership |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Units owned (in shares) |  |  |  | 31,085,974 |
AH LLC | Series D Convertible Units |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Units owned (in shares) | 0 |  |  |  | 4,375,000
American Residential Properties Inc. | Class A Units |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Units outstanding (in shares) |  |  | 1,343,843 |  |
American Residential Properties Inc. | Class A Units | Operating Partnership |  |  |  |  |
Class of Stock [Line Items] |  |  |  |  |
Equity interest rate | 0.40% |  |  |  |
Units outstanding (in shares) | 1,279,316 |  |  |  |

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