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Earnings per Share / Unit - Computation of Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2018 | Sep. 30, 2017 | Sep. 30, 2018 | Sep. 30, 2017
Numerator: |  |  |  |
Net income | $ 30,281 | $ 19,097 | $ 77,704 | $ 45,959
Less: |  |  |  |
Noncontrolling interest | 2,881 | 309 | 845 | (22)
Dividends on preferred shares/Preferred distributions | 12,223 | 17,253 | 38,804 | 46,122
Redemption of participating preferred shares/units | 0 | 0 | 32,215 | 0
Allocation to participating securities | 20 | 12 | 66 | 0
Numerator for basic income (loss) per common shareholders/unitholders | 15,157 | 1,523 | 5,774 | (141)
Add back: |  |  |  |
Dividends on participating preferred shares/units | 0 | 5,569 | 0 | 0
Remeasurement of participating preferred shares/units | 0 | (8,391) | 0 | 0
Numerator for diluted income (loss) per common share/unit | $ 15,157 | $ (1,299) | $ 5,774 | $ (141)
Denominator |  |  |  |
Weighted-average common shares outstanding - basic (in shares) | 296,214,509 | 266,767,313 | 292,656,914 | 256,768,343
Effect of dilutive securities: |  |  |  |
Participating preferred shares/units (in shares) | 0 | 22,385,747 | 0 | 0
Share-based compensation plan (in shares) | 753,140 | 0 | 662,331 | 0
Weighted-average shares outstanding - diluted (in shares) | 296,967,649 | 289,153,060 | 293,319,245 | 256,768,343
Net income (loss) attributable to common shareholders/unitholders per share/unit |  |  |  |
Basic (in dollars per share) | $ 0.05 | $ 0.01 | $ 0.02 | $ 0.00
Diluted (in dollars per share) | $ 0.05 | $ 0.00 | $ 0.02 | $ 0.00
American Homes 4 Rent, L.P. |  |  |  |
Numerator: |  |  |  |
Net income | $ 30,281 | $ 19,097 | $ 77,704 | $ 45,959
Less: |  |  |  |
Noncontrolling interest | 0 | (31) | (259) | 8
Dividends on preferred shares/Preferred distributions | 12,223 | 17,253 | 38,804 | 46,122
Redemption of participating preferred shares/units | 0 | 0 | 32,215 | 0
Allocation to participating securities | 21 | 12 | 66 | 0
Numerator for basic income (loss) per common shareholders/unitholders | 18,037 | 1,863 | 6,878 | (171)
Add back: |  |  |  |
Dividends on participating preferred shares/units | 0 | 5,569 | 0 | 0
Remeasurement of participating preferred shares/units | 0 | (8,391) | 0 | 0
Numerator for diluted income (loss) per common share/unit | $ 18,037 | $ (959) | $ 6,878 | $ (171)
Denominator |  |  |  |
Weighted-average common units outstanding - basic (in shares) | 351,564,662 | 322,303,138 | 348,007,067 | 312,315,728
Effect of dilutive securities: |  |  |  |
Participating preferred shares/units (in shares) | 0 | 22,385,747 | 0 | 0
Share-based compensation plan (in shares) | 753,140 | 0 | 662,331 | 0
Weighted-average common units outstanding - diluted (in shares) | 352,317,802 | 344,688,885 | 348,669,398 | 312,315,728
Net income (loss) attributable to common shareholders/unitholders per share/unit |  |  |  |
Basic (in dollars per share) | $ 0.05 | $ 0.01 | $ 0.02 | $ 0.00
Diluted (in dollars per share) | $ 0.05 | $ 0.00 | $ 0.02 | $ 0.00

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