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Consolidated Statements of Capital - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Assumption of exchangeable senior notes |  |  |  |  | $ (20,098) |  | $ 6,970
Purchase of outside interests in RJ joint ventures |  |  |  |  | (241) |  |
Distributions to equity holders: |  |  |  |  |  |  |
Noncontrolling interests |  |  |  |  | (11,069) | $ (11,100) | (11,360)
Net income (loss) | $ 34,734 | $ 21,525 | $ 30,533 | $ 11,796 | 112,438 | 76,492 | 10,446
Total other comprehensive income (loss) |  |  |  |  | 8,711 | (20) | 197
American Homes 4 Rent, L.P. |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | 5,875,824 |  | 4,937,620 | 5,875,824 | 4,937,620 | 3,935,233
Share-based compensation |  |  |  |  | 3,433 | 4,212 | 3,636
Common units issued under share-based compensation plans, net of units withheld for employee taxes |  |  |  |  | 11,947 | 800 | 3,034
Issuance of Class A units |  |  |  |  |  | 683,861 | 633,063
Issuance of perpetual preferred units, net of offering costs of $9,355 |  |  |  |  | 110,978 | 260,645 | 482,812
Redemptions of Class A units |  |  |  |  |  | (169) | (399)
Repurchases of Class A units |  |  |  |  | (34,969) |  | (96,098)
Assumption of exchangeable senior notes |  |  |  |  | (20,098) |  | 6,970
Purchase of outside interests in RJ joint ventures |  |  |  |  | (241) |  |
Distributions to equity holders: |  |  |  |  |  |  |
Preferred units |  |  |  |  | (52,586) | (60,718) | (40,237)
Series D convertible units |  |  |  |  |  |  | (856)
Noncontrolling interests |  |  |  |  | 0 | 0 | (230)
Common units |  |  |  |  | (69,953) | (64,340) | (58,445)
Net income (loss) | 34,734 | 21,525 | 30,533 | 11,796 | 112,438 | 76,492 | 10,446
Total other comprehensive income (loss) |  |  |  |  | 8,711 | (20) | 197
Total capital, ending balance | 5,973,742 |  | 5,875,824 |  | 5,973,742 | 5,875,824 | 4,937,620
American Homes 4 Rent, L.P. | Series C Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | 28,258 |  |
Conversions |  |  |  |  |  |  | 0
American Homes 4 Rent, L.P. | Series E Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | 58,494
American Homes 4 Rent, L.P. | Series D Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | 0
American Homes 4 Rent, L.P. | Series A and Series B Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  |  | 37,441 |
American Homes 4 Rent, L.P. | Series A |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | 0 |  |
American Homes 4 Rent, L.P. | Total partners' capital |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | 5,877,173 |  | 4,939,110 | 5,877,173 | 4,939,110 | 3,935,931
Share-based compensation |  |  |  |  | 3,433 | 4,212 | 3,636
Common units issued under share-based compensation plans, net of units withheld for employee taxes |  |  |  |  | 11,947 | 800 | 3,034
Issuance of Class A units |  |  |  |  |  | 683,861 | 633,063
Issuance of perpetual preferred units, net of offering costs of $9,355 |  |  |  |  | 110,978 | 260,645 | 482,812
Redemptions of Class A units |  |  |  |  |  | (169) | (399)
Repurchases of Class A units |  |  |  |  | (34,969) |  | (96,098)
Assumption of exchangeable senior notes |  |  |  |  | (20,098) |  | 6,970
Purchase of outside interests in RJ joint ventures |  |  |  |  | (1,849) |  |
Distributions to equity holders: |  |  |  |  |  |  |
Preferred units |  |  |  |  | (52,586) | (60,718) | (40,237)
Series D convertible units |  |  |  |  |  |  | (856)
Common units |  |  |  |  | (69,953) | (64,340) | (58,445)
Net income (loss) |  |  |  |  | 112,697 | 76,351 | 11,008
Total other comprehensive income (loss) |  |  |  |  | 8,711 | (20) | 197
Total capital, ending balance | 5,973,742 |  | 5,877,173 |  | 5,973,742 | 5,877,173 | 4,939,110
American Homes 4 Rent, L.P. | Total partners' capital | Series C Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | 28,258 |  |
American Homes 4 Rent, L.P. | Total partners' capital | Series E Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | 58,494
American Homes 4 Rent, L.P. | Total partners' capital | Series A and Series B Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  |  | 37,441 |
American Homes 4 Rent, L.P. | Total partners' capital | Series A |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | 0 |  |
American Homes 4 Rent, L.P. | Accumulated other comprehensive income (loss) |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | 75 |  | 95 | 75 | 95 | (102)
Distributions to equity holders: |  |  |  |  |  |  |
Total other comprehensive income (loss) |  |  |  |  | 8,711 | (20) | 197
Total capital, ending balance | 8,786 |  | 75 |  | 8,786 | 75 | 95
American Homes 4 Rent, L.P. | Noncontrolling interest |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | (1,349) |  | (1,490) | (1,349) | (1,490) | (698)
Purchase of outside interests in RJ joint ventures |  |  |  |  | 1,608 |  |
Distributions to equity holders: |  |  |  |  |  |  |
Noncontrolling interests |  |  |  |  | 0 | 0 | (230)
Net income (loss) |  |  |  |  | (259) | 141 | (562)
Total capital, ending balance | 0 |  | (1,349) |  | 0 | (1,349) | (1,490)
American Homes 4 Rent, L.P. | General Partner | Common Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | $ 4,248,236 |  | $ 3,357,992 | $ 4,248,236 | $ 3,357,992 | $ 2,907,410
Beginning balance (in shares) |  | 286,749,712 |  | 243,375,557 | 286,749,712 | 243,375,557 | 207,870,585
Share-based compensation |  |  |  |  | $ 3,433 | $ 4,212 | $ 3,636
Common units issued under share-based compensation plans, net of units withheld for employee taxes |  |  |  |  | $ 11,947 | $ 800 | $ 3,034
Common units issued under share-based compensation plans, net of units withheld for employee taxes (in shares) |  |  |  |  | 821,918 | 101,174 | 213,878
Issuance of Class A units |  |  |  |  |  | $ 683,861 | $ 614,249
Issuance of Class A units (in shares) |  |  |  |  |  | 30,676,080 | 41,466,118
Redemptions of Class A units |  |  |  |  |  | $ 2,713 | $ 504
Redemptions of Class A units (in shares) |  |  |  |  |  | 198,625 | 40,632
Repurchases of Class A units |  |  |  |  | $ (34,969) |  | $ (96,098)
Repurchases of Class A units (in shares) |  |  |  |  | (1,804,163) |  | (6,215,656)
Assumption of exchangeable senior notes |  |  |  |  | $ (20,098) |  | $ 6,970
Purchase of outside interests in RJ joint ventures |  |  |  |  | (1,849) |  |
Distributions to equity holders: |  |  |  |  |  |  |
Common units |  |  |  |  | (58,884) | $ (53,240) | (48,171)
Net income (loss) |  |  |  |  | 55,687 | 20,281 | (33,542)
Total capital, ending balance | $ 4,390,137 |  | $ 4,248,236 |  | $ 4,390,137 | $ 4,248,236 | $ 3,357,992
Ending balance (in shares) | 296,649,621 |  | 286,749,712 |  | 296,649,621 | 286,749,712 | 243,375,557
American Homes 4 Rent, L.P. | General Partner | Common Units | Series C Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | $ 186,119 |  |
Redemptions of Class A units (in shares) |  |  |  |  | 10,848,827 |  |
American Homes 4 Rent, L.P. | General Partner | Common Units | Series A and Series B Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  |  | $ 231,617 |
Redemptions of Class A units (in shares) |  |  |  |  |  | 12,398,276 |
American Homes 4 Rent, L.P. | General Partner | Common Units | Series A |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | $ 515 |  |
Redemptions of Class A units (in shares) |  |  |  |  | 33,327 |  |
American Homes 4 Rent, L.P. | General Partner | Preferred Shares/Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | $ 901,318 |  | $ 834,849 | $ 901,318 | $ 834,849 | $ 352,037
Issuance of perpetual preferred units, net of offering costs of $9,355 |  |  |  |  | 110,978 | 260,645 | 482,812
Distributions to equity holders: |  |  |  |  |  |  |
Preferred units |  |  |  |  | (52,586) | (60,718) | (40,237)
Net income (loss) |  |  |  |  | 52,586 | 60,718 | 40,237
Total capital, ending balance | $ 854,435 |  | $ 901,318 |  | 854,435 | 901,318 | 834,849
American Homes 4 Rent, L.P. | General Partner | Preferred Shares/Units | Series C Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | (157,861) |  |
American Homes 4 Rent, L.P. | General Partner | Preferred Shares/Units | Series A and Series B Preferred Stock |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  |  | (194,176) |
American Homes 4 Rent, L.P. | Limited Partners | Common Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | $ 727,544 |  | $ 746,174 | $ 727,544 | $ 746,174 | $ 217,820
Beginning balance (in shares) |  | 55,350,153 |  | 55,555,960 | 55,350,153 | 55,555,960 | 14,440,670
Issuance of Class A units |  |  |  |  |  |  | $ 18,814
Issuance of Class A units (in shares) |  |  |  |  |  |  | 1,343,843
Redemptions of Class A units |  |  |  |  |  | $ (2,882) | $ (903)
Redemptions of Class A units (in shares) |  |  |  |  |  | (205,807) | (64,527)
Distributions to equity holders: |  |  |  |  |  |  |
Common units |  |  |  |  | $ (11,069) | $ (11,100) | $ (10,274)
Net income (loss) |  |  |  |  | 4,424 | (4,648) | (6,417)
Total capital, ending balance | $ 720,384 |  | $ 727,544 |  | $ 720,384 | $ 727,544 | $ 746,174
Ending balance (in shares) | 55,316,826 |  | 55,350,153 |  | 55,316,826 | 55,350,153 | 55,555,960
American Homes 4 Rent, L.P. | Limited Partners | Common Units | Series C Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | $ 396,606
Conversions (in shares) |  |  |  |  |  |  | 31,085,974
American Homes 4 Rent, L.P. | Limited Partners | Common Units | Series D Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | $ 130,528
Conversions (in shares) |  |  |  |  |  |  | 8,750,000
American Homes 4 Rent, L.P. | Limited Partners | Common Units | Series A |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Redemptions of Class A units |  |  |  |  | $ (515) |  |
Redemptions of Class A units (in shares) |  |  |  |  | (33,327) |  |
American Homes 4 Rent, L.P. | Limited Partners | Preferred Shares/Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Total capital, beginning balance |  | $ 0 |  | $ 0 | $ 0 | $ 0 | $ 458,766
Distributions to equity holders: |  |  |  |  |  |  |
Series D convertible units |  |  |  |  |  |  | (856)
Net income (loss) |  |  |  |  |  | 0 | 10,730
Total capital, ending balance |  |  | $ 0 |  |  | $ 0 | 0
American Homes 4 Rent, L.P. | Limited Partners | Preferred Shares/Units | Series C Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | (396,606)
American Homes 4 Rent, L.P. | Limited Partners | Preferred Shares/Units | Series E Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | 58,494
American Homes 4 Rent, L.P. | Limited Partners | Preferred Shares/Units | Series D Convertible Units |  |  |  |  |  |  |
Increase (Decrease) in Capital [Roll Forward] |  |  |  |  |  |  |
Conversions |  |  |  |  |  |  | $ (130,528)

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