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Escrow Deposits, Prepaid Expenses and Other Assets (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2018 | Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |  |
Escrow deposits, prepaid expenses and other |  | $ 44,654 | $ 33,964 |
Investments in joint ventures |  | 56,789 | 42,341 |
Commercial real estate, vehicles and FF&E, net |  | 44,591 | 43,608 |
Total |  | 146,034 | 119,913 |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Property and land contributions to an unconsolidated joint venture |  | 40,942 | 0 | $ 0
Escrow deposits, prepaid expenses and other assets |  | 146,034 | 119,913 |
American Homes 4 Rent, L.P. |  |  |  |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |  |
Total |  | 145,807 | 119,913 |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Escrow deposits, prepaid expenses and other assets |  | 145,807 | $ 119,913 |
American Homes 4 Rent, L.P. | Joint Venture, Single-Family Rental Homes, Southeast |  |  |  |
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |  |
Total |  | 18,000 |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |
Aggregate cost | $ 156,300 |  |  |
Joint venture, initial term | 5 years |  |  |
Ownership percentage | 20.00% |  |  |
Property and land contributions to an unconsolidated joint venture |  | 40,900 |  |
Cash payments to acquire interest in joint venture |  | 8,400 |  |
Distributions received from the joint venture |  | 32,800 |  |
Escrow deposits, prepaid expenses and other assets |  | $ 18,000 |  |

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- Definition The aggregate of a) amounts transferred to third parties for security purposes that are expected to be returned, b) consideration paid in advance for costs that provide economic benefits in future periods, and c) amount of other assets. + References No definition available. + Details
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