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Condensed Consolidating Financial Statements - Comprehensive Income (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Condensed Statement of Income Captions [Line Items] |  |  |
Net income (loss) | $ 76,492 | $ 10,446 | $ (47,948)
Unrealized gain (loss) on cash flow hedging instruments: |  |  |
Unrealized gain (loss) on cash flow hedging instruments | 75 | 0 | (14)
Reclassification adjustment for amortization of interest expense included in net income (loss) | (28) | 130 | 141
Unrealized gain on investment in equity securities: |  |  |
Reclassification adjustment for realized gain included in net income (loss) | (67) | 0 | 0
Unrealized gain on investment in equity securities | 0 | 67 | 0
Other comprehensive (loss) income | (20) | 197 | 127
Comprehensive income (loss) | 76,472 | 10,643 | (47,821)
Comprehensive (loss) income attributable to noncontrolling interests | (4,504) | 3,714 | 14,345
Dividends on preferred shares/Preferred distributions | 60,718 | 40,237 | 22,276
Redemption of participating preferred units | 42,416 | 0 | 0
Comprehensive loss attributable to common shareholders/unitholders | (22,158) | (33,308) | (84,442)
American Homes 4 Rent, L.P. |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |
Net income (loss) | 76,492 | 10,446 | (47,948)
Unrealized gain (loss) on cash flow hedging instruments: |  |  |
Unrealized gain (loss) on cash flow hedging instruments | 75 | 0 | (14)
Reclassification adjustment for amortization of interest expense included in net income (loss) | (28) | 130 | 141
Unrealized gain on investment in equity securities: |  |  |
Reclassification adjustment for realized gain included in net income (loss) | (67) | 0 | 0
Unrealized gain on investment in equity securities | 0 | 67 | 0
Other comprehensive (loss) income | (20) | 197 | 127
Comprehensive income (loss) | 76,472 | 10,643 | (47,821)
Comprehensive (loss) income attributable to noncontrolling interests | 141 | (562) | (157)
Dividends on preferred shares/Preferred distributions | 60,718 | 40,237 | 22,276
Redemption of participating preferred units | 42,416 | 0 | 0
Redemption of participating preferred units | 0 | 10,730 | 20,212
Comprehensive loss attributable to common shareholders/unitholders | (26,803) | (39,762) | $ (90,152)
American Homes 4 Rent, L.P. | Reportable Legal Entities | American Homes 4 Rent, L.P. (Parent Company) |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |
Net income (loss) | 76,351 | 11,008 |
Unrealized gain (loss) on cash flow hedging instruments: |  |  |
Unrealized gain (loss) on cash flow hedging instruments | 75 |  |
Reclassification adjustment for amortization of interest expense included in net income (loss) | 0 | 0 |
Unrealized gain on investment in equity securities: |  |  |
Reclassification adjustment for realized gain included in net income (loss) | (67) |  |
Unrealized gain on investment in equity securities |  | 67 |
Other comprehensive (loss) income | 8 | 67 |
Comprehensive income (loss) | 76,359 | 11,075 |
Comprehensive (loss) income attributable to noncontrolling interests | 0 | 0 |
Dividends on preferred shares/Preferred distributions | 60,718 | 40,237 |
Redemption of participating preferred units | 42,416 |  |
Redemption of participating preferred units |  | 10,730 |
Comprehensive loss attributable to common shareholders/unitholders | (26,775) | (39,892) |
American Homes 4 Rent, L.P. | Reportable Legal Entities | American Residential Properties OP, L.P. (Guarantor Subsidiary) |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |
Net income (loss) | 28,789 | (5,759) |
Unrealized gain (loss) on cash flow hedging instruments: |  |  |
Unrealized gain (loss) on cash flow hedging instruments | 0 |  |
Reclassification adjustment for amortization of interest expense included in net income (loss) | 0 | 0 |
Unrealized gain on investment in equity securities: |  |  |
Reclassification adjustment for realized gain included in net income (loss) | 0 |  |
Unrealized gain on investment in equity securities |  | 0 |
Other comprehensive (loss) income | 0 | 0 |
Comprehensive income (loss) | 28,789 | (5,759) |
Comprehensive (loss) income attributable to noncontrolling interests | 0 | 0 |
Dividends on preferred shares/Preferred distributions | 0 | 0 |
Redemption of participating preferred units | 0 |  |
Redemption of participating preferred units |  | 0 |
Comprehensive loss attributable to common shareholders/unitholders | 28,789 | (5,759) |
American Homes 4 Rent, L.P. | Reportable Legal Entities | Combined Non-Guarantor Subsidiaries |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |
Net income (loss) | 111,123 | 52,082 |
Unrealized gain (loss) on cash flow hedging instruments: |  |  |
Unrealized gain (loss) on cash flow hedging instruments | 0 |  |
Reclassification adjustment for amortization of interest expense included in net income (loss) | (28) | 130 |
Unrealized gain on investment in equity securities: |  |  |
Reclassification adjustment for realized gain included in net income (loss) | 0 |  |
Unrealized gain on investment in equity securities |  | 0 |
Other comprehensive (loss) income | (28) | 130 |
Comprehensive income (loss) | 111,095 | 52,212 |
Comprehensive (loss) income attributable to noncontrolling interests | 141 | (562) |
Dividends on preferred shares/Preferred distributions | 0 | 0 |
Redemption of participating preferred units | 0 |  |
Redemption of participating preferred units |  | 0 |
Comprehensive loss attributable to common shareholders/unitholders | 110,954 | 52,774 |
American Homes 4 Rent, L.P. | Consolidating Adjustments |  |  |
Condensed Statement of Income Captions [Line Items] |  |  |
Net income (loss) | (139,771) | (46,885) |
Unrealized gain (loss) on cash flow hedging instruments: |  |  |
Unrealized gain (loss) on cash flow hedging instruments | 0 |  |
Reclassification adjustment for amortization of interest expense included in net income (loss) | 0 | 0 |
Unrealized gain on investment in equity securities: |  |  |
Reclassification adjustment for realized gain included in net income (loss) | 0 |  |
Unrealized gain on investment in equity securities |  | 0 |
Other comprehensive (loss) income | 0 | 0 |
Comprehensive income (loss) | (139,771) | (46,885) |
Comprehensive (loss) income attributable to noncontrolling interests | 0 | 0 |
Dividends on preferred shares/Preferred distributions | 0 | 0 |
Redemption of participating preferred units | 0 |  |
Redemption of participating preferred units |  | 0 |
Comprehensive loss attributable to common shareholders/unitholders | $ (139,771) | $ (46,885) |

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