XML 93 R77.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Fair Value Fair Value - Level 3 Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |
Contingently convertible Series E units liability beginning balance | $ 72,057 | $ 66,938
Preferred shares derivative liability beginning balance | 57,960 | 28,150
Issuances | 0 | 0
Contingently convertible Series E units liability, remeasurement included in earnings | (2,100) | 5,119
Preferred derivative liability issuance | 0 | 23,652
Preferred shares derivative liability remeasurement | 4,830 | 6,158
Contingently convertible Series E units liability end balance | 69,957 | 72,057
Preferred shares derivative liability ending balance | $ 62,790 | $ 57,960

X
- Definition Fair value of Series E convertible units that represent non-voting interests in the Operating Partnership that may be settled into a variable number of Series D units or Class A units on a specified date. + References No definition available. + Details
Name: | amh_ConvertibleSeriesEUnits
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Convertible Series E Units Liability, Issuance. + References No definition available. + Details
Name: | amh_ConvertibleSeriesEUnitsLiabilityIssuance
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Value of issuance of embedded derivative liabilities associated with preferred equity. + References No definition available. + Details
Name: | amh_PreferredDerivativeLiabilityIssuance
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Amount of expense (income) related to adjustment to fair value of preferred derivative liability. + References No definition available. + Details
Name: | amh_PreferredDerivativeLiabilityRemeasurement
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Gain/loss associated with the fair value remeasurement of Series E units. + References No definition available. + Details
Name: | amh_ReMeasurementOfSeriesE
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Fair value as of the balance sheet date of the embedded derivative or group of embedded derivatives classified as a liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=56946850&loc=SL5624163-113959 + Details
Name: | us-gaap_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
Name: | us-gaap_FairValueLiabilitiesMeasuredOnRecurringBasisUnobservableInputReconciliationCalculationRollForward
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration