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Shareholders' Equity - Noncontrolling Interest (Details) - Operating Partnership - Class A Units - shares	Mar. 31, 2017	Dec. 31, 2016
AH LLC
Class of Stock [Line Items]
Ownership units owned (in shares)	54,276,644	54,276,644
Percentage of units outstanding	17.30%	18.20%
Operating partnership units (in shares)	314,446,923	298,931,517
American Residential Properties Inc.
Class of Stock [Line Items]
Percentage of units outstanding	0.40%	0.40%
Operating partnership units (in shares)	1,279,316	1,279,316

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- Definition

The number of units of the operating partnership owned by the noncontrolling interest, a related party.

+ References

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- Definition

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- Definition

The number of each class of partnership units outstanding at the balance sheet date. Units represent shares of ownership of the general, limited, and preferred partners.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.16(b))
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-04.16(a))
-URI http://asc.fasb.org/extlink&oid=6488278&loc=d3e603758-122996

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 5
-Subparagraph (SAB TOPIC 4.F)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187171-122770

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