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Acquisitions - Merger with American Residential Homes - Narrative (Details) - American Residential Properties Inc. $ / shares in Units, $ in Thousands |  | 12 Months Ended
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Feb. 29, 2016 USD ($) single_family_property $ / shares shares | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Business Acquisition [Line Items] |  |  |
Equity interest, percentage | 12.70% |  |
Equity transaction consideration | $ | $ 530,460 |  |
Business acquisition, share price (in dollars per share) | $ / shares | $ 14.00 |  |
Business acquisition, transaction costs | $ | $ 5,800 | $ 5,800 | $ 1,600
Business combination, number of properties acquired | single_family_property | 8,936 |  |
Class A common shares/units |  |  |
Business Acquisition [Line Items] |  |  |
Business acquisition, equity interest issued or issuable, number of shares, multiplier | 1.135 |  |
Business acquisition, equity interest issued or issuable (in shares) | shares | 36,546,170 |  |
Class A Units |  |  |
Business Acquisition [Line Items] |  |  |
Business acquisition, equity interest issued or issuable, number of shares, multiplier | 1.135 |  |
Business acquisition, equity interest issued or issuable (in shares) | shares | 1,343,843 |  |

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