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