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Shareholders' Equity / Partners' Capital - Noncontrolling Interest Narrative (Details) - Operating Partnership - Class A Units - shares	Dec. 31, 2020	Dec. 31, 2019
Class of Stock [Line Items]
Units outstanding (in shares)	368,383,440	352,769,654
American Residential Properties Inc.
Class of Stock [Line Items]
Percentage of units outstanding	0.20%	0.20%
Units outstanding (in shares)	596,990	596,990
AH LLC
Class of Stock [Line Items]
Units owned (in shares)	51,129,990	51,429,990
Percentage of units outstanding	13.90%	14.60%

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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

The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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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://fasb.org/us-gaap/role/ref/legacyRef
-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=120401414&loc=d3e603758-122996

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-Name Accounting Standards Codification
-Topic 946
-SubTopic 210
-Section S99
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-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=120397183&loc=d3e187171-122770

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