Shareholders' Equity - Noncontrolling Interest (Details) - shares	Sep. 30, 2016	Feb. 29, 2016	Feb. 28, 2016	Dec. 31, 2015
Operating Partnership | Class A Units
Class of Stock [Line Items]
Operating partnership units (in shares)		1,343,843
Operating Partnership | Series D Convertible Units
Class of Stock [Line Items]
Ownership units owned (in shares)	8,750,000
AH LLC
Class of Stock [Line Items]
Percentage of units outstanding	18.60%			22.10%
AH LLC | Class A Units
Class of Stock [Line Items]
Ownership units owned (in shares)	54,276,644			14,440,670
AH LLC | Series C Convertible Units
Class of Stock [Line Items]
Ownership units owned (in shares)	0			31,085,974
AH LLC | Series D Convertible Units
Class of Stock [Line Items]
Ownership units owned (in shares)	0			4,375,000
AH LLC | Operating Partnership | Class A Units
Class of Stock [Line Items]
Ownership units owned (in shares)	54,276,644			14,440,670
Percentage of units outstanding	18.50%			6.50%
Operating partnership units (in shares)	293,987,819			222,311,255
AH LLC | Operating Partnership | Series C Convertible Units
Class of Stock [Line Items]
Ownership units owned (in shares)	0		31,085,974	31,085,974
AH LLC | Operating Partnership | Series D Convertible Units
Class of Stock [Line Items]
Ownership units owned (in shares)	0			4,375,000
American Residential Properties Inc. | Operating Partnership | Class A Units
Class of Stock [Line Items]
Percentage of units outstanding	0.40%
Operating partnership units (in shares)	1,279,316