XML 63 R52.htm IDEA: XBRL DOCUMENT v3.7.0.1

Shareholders' Equity - Distributions (Details) - $ / shares	3 Months Ended		6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jun. 30, 2016
Class of Stock [Line Items]
Common stock dividend declared (in dollars per share)	$ 0.05	$ 0.05	$ 0.1	$ 0.1
Series D Convertible Units
Class of Stock [Line Items]
Preferred stock dividends declared (in dollars per share)		$ 0.035
Convertible units, percent of class A units (as a percent)		70.00%
Class A common shares
Class of Stock [Line Items]
Common stock dividend declared (in dollars per share)	0.05	$ 0.05
Class B common shares
Class of Stock [Line Items]
Common stock dividend declared (in dollars per share)	0.05	0.05
5.0% Series A Participating Preferred Shares
Class of Stock [Line Items]
Preferred stock dividends declared (in dollars per share)	$ 0.3125	0.3125
Preferred stock, dividend rate, percentage	5.00%		5.00%
5.0% Series B Participating Preferred Shares
Class of Stock [Line Items]
Preferred stock dividends declared (in dollars per share)	$ 0.3125	0.3125
Preferred stock, dividend rate, percentage	5.00%		5.00%
5.5% Series C Participating Preferred Shares
Class of Stock [Line Items]
Preferred stock dividends declared (in dollars per share)	$ 0.34375	0.34375
Preferred stock, dividend rate, percentage	5.50%		5.50%
Series D Perpetual Preferred Shares
Class of Stock [Line Items]
Preferred stock dividends declared (in dollars per share)	$ 0.40625	$ 0.17153
Preferred stock, dividend rate, percentage	6.50%
Series E Perpetual Preferred Shares
Class of Stock [Line Items]
Preferred stock dividends declared (in dollars per share)	$ 0.39688
Preferred stock, dividend rate, percentage	6.35%
Series F Perpetual Preferred Shares
Class of Stock [Line Items]
Preferred stock dividends declared (in dollars per share)	$ 0.27335
Series F Perpetual Preferred Shares | Underwritten Public Offering
Class of Stock [Line Items]
Preferred stock, dividend rate, percentage	5.875%

X

- Definition

Preferred Stock, Dividends Declared, Percentage of Distributions Declared on Class A Units

+ References

No definition available.

+ Details

Name:	amh_PreferredStockDividendsDeclaredPercentageofDistributionsDeclaredonClassAUnits
Namespace Prefix:	amh_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_ClassOfStockLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187085-122770

+ Details

Name:	us-gaap_CommonStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The percentage rate used to calculate dividend payments on preferred stock.

+ References

No definition available.

+ Details

Name:	us-gaap_PreferredStockDividendRatePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Aggregate dividends declared during the period for each share of preferred stock outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_PreferredStockDividendsPerShareDeclared
Namespace Prefix:	us-gaap_
Data Type:	num:perShareItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	us-gaap_CapitalUnitsByClassAxis=amh_SeriesDConvertibleUnitsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassAMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_CommonClassBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesAPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesBPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesCPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesDPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesEPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementClassOfStockAxis=us-gaap_SeriesFPreferredStockMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_SubsidiarySaleOfStockAxis=us-gaap_OverAllotmentOptionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: