XML 46 R36.htm IDEA: XBRL DOCUMENT v2.4.0.8

Single-family properties (Details 2) (Single-Family Properties, USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Single-Family Properties
Property Subject to or Available for Operating Lease
Net book value	$ 138.8		$ 138.8		$ 120.6
Depreciation expense	$ 40.8	$ 20.8	$ 106.6	$ 32.7

X

- Definition

The value of real estate properties for which the recorded grant deed has not been received.

+ References

No definition available.

+ Details

Name:	amh_RealEstateInvestmentPropertyUnrecordedDeed
Namespace Prefix:	amh_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585

+ Details

Name:	us-gaap_Depreciation
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

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