Contributions by AH LLC - Narrative (Details)	Dec. 12, 2014 single_family_property property $ / shares shares
AH LLC
Business Acquisition [Line Items]
Contribution of property, number of properties | property	45
Class A Units | AH LLC
Business Acquisition [Line Items]
Contribution of property, number of properties | single_family_property	45
Partners capital account units issued during period acquisitions (in shares) | shares	653,378
Closing price per share (in dollars per share)	$ 17.11
Sponsor | Class A Units
Business Acquisition [Line Items]
Closing price per share (in dollars per share)	$ 17.11