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Earnings per Share / Unit - Computation of Earnings per Share (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2018 | Mar. 31, 2018 | Jun. 30, 2019 | Jun. 30, 2018
Numerator: |  |  |  |  |  |
Net income | $ 40,304 | $ 33,091 | $ 25,898 | $ 21,525 | $ 73,395 | $ 47,423
Less: |  |  |  |  |  |
Noncontrolling interest | 4,004 |  | (3,150) |  | 7,030 | (2,036)
Dividends on preferred shares/Preferred distributions | 13,782 | $ 13,782 | 11,984 | $ 14,597 | 27,564 | 26,581
Redemption of participating preferred shares/units | 0 |  | 32,215 |  | 0 | 32,215
Allocation to participating securities | 45 |  | 0 |  | 75 | 0
Numerator for basic income per common share/units - basic and diluted | $ 22,473 |  | $ (15,151) |  | $ 38,726 | $ (9,337)
Denominator |  |  |  |  |  |
Weighted-average common shares outstanding - basic (in shares) | 299,466,526 |  | 295,462,572 |  | 298,157,413 | 290,848,633
Effect of dilutive securities: |  |  |  |  |  |
Share-based compensation plan (in shares) | 524,558 |  | 0 |  | 519,375 | 0
Weighted-average common shares outstanding - diluted (in shares) | 299,991,084 |  | 295,462,572 |  | 298,676,788 | 290,848,633
Net income (loss) attributable to common shareholders/unitholders per share/unit |  |  |  |  |  |
Basic (in dollars per share) | $ 0.08 |  | $ (0.05) |  | $ 0.13 | $ (0.03)
Diluted (in dollars per share) | $ 0.08 |  | $ (0.05) |  | $ 0.13 | $ (0.03)
American Homes 4 Rent, L.P. |  |  |  |  |  |
Numerator: |  |  |  |  |  |
Net income | $ 40,304 |  | $ 25,898 |  | $ 73,395 | $ 47,423
Less: |  |  |  |  |  |
Noncontrolling interest | 0 |  | (248) |  | 0 | (259)
Dividends on preferred shares/Preferred distributions | 13,782 |  | 11,984 |  | 27,564 | 26,581
Redemption of participating preferred shares/units | 0 |  | 32,215 |  | 0 | 32,215
Allocation to participating securities | 45 |  | 0 |  | 75 | 0
Numerator for basic income per common share/units - basic and diluted | $ 26,477 |  | $ (18,053) |  | $ 45,756 | $ (11,114)
Denominator |  |  |  |  |  |
Weighted-average common units outstanding - basic (in shares) | 352,363,754 |  | 350,812,725 |  | 352,183,171 | 346,198,786
Effect of dilutive securities: |  |  |  |  |  |
Share-based compensation plan (in shares) | 524,558 |  | 0 |  | 519,375 | 0
Weighted-average common units outstanding - diluted (in shares) | 352,888,312 |  | 350,812,725 |  | 352,702,546 | 346,198,786
Net income (loss) attributable to common shareholders/unitholders per share/unit |  |  |  |  |  |
Basic (in dollars per share) | $ 0.08 |  | $ (0.05) |  | $ 0.13 | $ (0.03)
Diluted (in dollars per share) | $ 0.08 |  | $ (0.05) |  | $ 0.13 | $ (0.03)

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