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Quarterly Financial Information (unaudited) (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2016 | Sep. 30, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Change in Accounting Estimate [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rents from single-family properties | $ 210,778 | $ 207,490 | $ 204,648 | $ 201,107 | $ 198,980 | $ 197,137 | $ 193,491 | $ 167,995 | $ 824,023 | $ 757,603 | $ 559,719
Net income (loss) | 30,533 | 19,097 | 15,066 | 11,796 | 9,338 | (167) | (3,753) | 5,028 | 76,492 | 10,446 | (47,948)
Net (loss) income attributable to common shareholders/unitholders | $ (21,994) | $ 1,535 | $ (186) | $ (1,490) | $ 2,391 | $ (21,152) | $ (10,404) | $ (4,377) | (22,135) | (33,542) | $ (84,577)
Net (loss) income attributable to common shareholders/unitholders per share/unit—basic (in dollars per share) | $ (0.08) | $ 0.01 | $ 0.00 | $ (0.01) |  |  |  |  |  |  |
Net loss attributable to common shareholders per share diluted (in dollars per share) | $ (0.08) | $ 0.00 | $ 0.00 | $ (0.01) | $ (0.01) | $ (0.09) | $ (0.04) | $ (0.02) |  |  |
Noncontrolling interest | $ 726,195 |  |  |  | $ 744,684 |  |  |  | $ 726,195 | $ 744,684 |
Net loss attributable to common unitholders per unit - basic and diluted (in dollars per share) |  |  |  |  | $ 0.01 | $ (0.09) | $ (0.04) | $ (0.02) | $ (0.08) | $ (0.14) | $ (0.40)
American Homes 4 Rent, L.P. |  |  |  |  |  |  |  |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |  |  |  |  |  |  |  |
Rents from single-family properties | 210,778 | $ 207,490 | $ 204,648 | $ 201,107 | $ 198,980 | $ 197,137 | $ 193,491 | $ 167,995 | $ 824,023 | $ 757,603 | $ 559,719
Net income (loss) | 30,533 | 19,097 | 15,066 | 11,796 | 9,338 | (167) | (3,753) | 5,028 | 76,492 | 10,446 | (47,948)
Net (loss) income attributable to common shareholders/unitholders | $ (26,612) | $ 1,875 | $ (217) | $ (1,829) | $ (4,133) | $ (21,179) | $ (11,020) | $ (3,627) | $ (26,783) | (39,959) | $ (90,279)
Net (loss) income attributable to common shareholders/unitholders per share/unit—basic (in dollars per share) | $ (0.08) | $ 0.01 | $ 0.00 | $ (0.01) |  |  |  |  |  |  |
Net loss attributable to common shareholders per share diluted (in dollars per share) | $ (0.08) | $ 0.00 | $ 0.00 | $ (0.01) |  |  |  |  |  |  |
Net loss attributable to common unitholders per unit - basic and diluted (in dollars per share) |  |  |  |  | $ (0.01) | $ (0.07) | $ (0.04) | $ (0.01) |  |  |
Scenario, Adjustment |  |  |  |  |  |  |  |  |  |  |
Change in Accounting Estimate [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling interest |  |  |  |  | $ (5,700) |  |  |  |  | $ (5,700) |

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