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Acquisitions and Dispositions - Additional Information 1 (Detail) (USD $) | 0 Months Ended | 1 Months Ended | 12 Months Ended |  | 0 Months Ended |  | 0 Months Ended | 12 Months Ended |  | 0 Months Ended |  | 0 Months Ended |  |
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Jun. 27, 2013 Property | Dec. 31, 2012 Property | Dec. 31, 2013 Property | Jun. 14, 2013 | Jun. 14, 2013 Class A Common Shares [Member] | Dec. 31, 2013 Class A Units [Member] | Jun. 14, 2013 RJ LLC [Member] Property | Dec. 31, 2013 RJ LLC [Member] | Dec. 31, 2012 RJ LLC [Member] Class B Common Shares [Member] | Jun. 14, 2013 RJ LLC [Member] Class A Common Shares [Member] | Dec. 31, 2013 RJ LLC [Member] Class A Units [Member] | Jun. 14, 2013 RJ American Homes 4 Rent One, LLC [Member] | Sep. 20, 2012 RJ American Homes 4 Rent One, LLC [Member] Property | Sep. 20, 2012 RJ American Homes 4 Rent One, LLC [Member] Class B Common Shares [Member] | Sep. 20, 2012 RJ American Homes 4 Rent One, LLC [Member] Class A Common Shares [Member] | Mar. 15, 2013 RJ American Homes 4 Rent Two, LLC [Member] Property | Mar. 15, 2013 RJ American Homes 4 Rent Two, LLC [Member] Class B Common Shares [Member] | Mar. 15, 2013 RJ American Homes 4 Rent Two, LLC [Member] Class A Common Shares [Member]
Acquisitions And Dispositions [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Initial capital contribution of single-family properties |  | 3,644 | 23,268 |  |  |  | 377 |  |  |  |  |  | 177 |  |  | 214 |  |
Acquisition percentage |  |  |  |  |  |  | 100.00% |  |  |  |  |  | 100.00% | 33.00% | 67.00% | 100.00% | 33.00% | 67.00%
Preferred units issued |  |  |  | 653,492 |  |  |  |  | 653,492 |  |  |  |  |  |  |  |  |
Percentage of promoted interest distributions made from RJ1 to RJ LLC |  | 20.00% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Preferred units outstanding |  |  |  |  |  |  | 653,492 |  |  |  |  |  |  |  |  |  |  |
Preferred Units converted into Class A units |  |  |  |  | 653,492 |  |  |  |  | 653,492 |  |  |  |  |  |  |  |
Additional unit issued |  |  |  |  | 705,167 |  |  |  |  | 705,167 |  |  |  |  |  |  |  |
Fair value of Preferred Units redeemed |  |  |  |  |  |  |  |  |  | $ 11,283,000 | $ 10,456,000 |  |  |  |  |  |  |
Basis for conversion |  |  |  |  |  |  |  |  |  | One-for-one |  |  |  |  |  |  |  |
Operating Partnership loan |  |  |  |  |  |  |  |  |  |  |  | 7,600,000 |  |  |  |  |  |
Gain on remeasurement of equity method investment |  |  | 1,810,000 |  |  |  | 10,900,000 |  |  |  |  |  |  |  |  |  |  |
Redemption of Preferred Units |  |  |  |  |  |  |  | 653,492 |  |  |  |  |  |  |  |  |  |
Carrying value of Preferred Units redeemed |  |  |  |  |  | 0 |  |  |  |  |  |  |  |  |  |  |  |
Conversion of common shares description |  |  | The fair value of the Class A units issued in connection with the 2013 RJ Transaction has been estimated using the most recent trading price in the Company's Class A common shares, into which the Class A units are convertible into on a one-for-one basis. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | 38 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gross sales price of properties sold | 8,900,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain on disposition of assets | $ 904,000 |  | $ 904,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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