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Acquisitions - Narrative (Details) - American Residential Properties Inc. $ / shares in Units, $ in Thousands | Feb. 29, 2016 USD ($) single_family_property $ / shares shares | Sep. 30, 2016 USD ($)
--- | --- | ---
Business Acquisition [Line Items] |  |
Equity interest in acquiree (percent) | 12.70% |
Equity transaction consideration | $ | $ 530,460 |
Share price at acquisition (in USD per share) | $ / shares | $ 14.00 |
Acquisition transaction costs | $ | $ 7,700 | $ 500
Number of properties acquired | single_family_property | 8,936 |
Class A common shares |  |
Business Acquisition [Line Items] |  |
Equity interest issued, number of shares, multiplier | 1.135 |
Equity interest issued, number of shares (in shares) | shares | 36,546,170 |
Class A Units |  |
Business Acquisition [Line Items] |  |
Equity interest issued, number of shares, multiplier | 1.135 |
Equity interest issued, number of shares (in shares) | shares | 1,343,843 |

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