XML 57 R44.htm IDEA: XBRL DOCUMENT
v3.21.2

Escrow Deposits, Prepaid Expenses and Other Assets - Summary (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 | Sep. 30, 2020 | Sep. 30, 2021 | Sep. 30, 2020 | Dec. 31, 2020
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |  |  |  |  |
Escrow deposits, prepaid expenses and other | $ 72,716 |  | $ 72,716 |  | $ 51,886
Deferred costs and other intangibles, net | 13,946 |  | 13,946 |  | 4,864
Notes receivable, net | 34,677 |  | 34,677 |  | 35,519
Operating lease ROU assets | 17,611 |  | 17,611 |  | 18,772
Commercial real estate, software, vehicles and FF&E, net | 59,886 |  | 59,886 |  | 52,130
Total | 198,836 |  | 198,836 |  | $ 163,171
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Depreciation expense | 90,600 | $ 83,700 | 264,300 | $ 245,100 |
Amortization expense related to deferred leasing costs, in-place leases, trademark and database | 1,000 | 1,000 | 3,100 | 3,100 |
Amortization of deferred financing costs | 700 | 500 | 1,800 | 1,500 |
Commercial Real Estate, Vehicles, and Furniture, Fixtures, and Equipment |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |
Depreciation expense | $ 2,900 | $ 2,300 | $ 8,300 | $ 6,400 |

X
- Definition Amortization Of Deferred Financing Costs. + References No definition available. + Details
Name: | amh_AmortizationOfDeferredFinancingCosts
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The aggregate amount of amortization of intangible assets and deferred leasing fees. + References No definition available. + Details
Name: | amh_AmortizationOfIntangibleAssetsAndDeferredLeasingFees
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Commercial Real Estate, Vehicles And Furniture, Fixtures And Equipment, Net + References No definition available. + Details
Name: | amh_CommercialRealEstateVehiclesAndFurnitureFixturesAndEquipmentNet
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Deferred Cost and Other Intangibles, Net + References No definition available. + Details
Name: | amh_DeferredCostAndOtherIntangiblesNet
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The aggregate of a) amounts transferred to third parties for security purposes that are expected to be returned, b) consideration paid in advance for costs that provide economic benefits in future periods, and c) amount of other assets. + References No definition available. + Details
Name: | amh_DepositsPrepaidExpenseAndOtherAssets
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Escrow Deposits, Prepaid Expenses And Other Assets + References No definition available. + Details
Name: | amh_EscrowDepositsPrepaidExpensesAndOtherAssets
Namespace Prefix: | amh_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 + Details
Name: | us-gaap_Depreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 20 -Section 50 -Paragraph 5 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522 + Details
Name: | us-gaap_NotesReceivableNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of lessee's right to use underlying asset under operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
Name: | us-gaap_OperatingLeaseRightOfUseAsset
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | srt_MortgageLoansOnRealEstateDescriptionTypeOfPropertyAxis=amh_CommercialRealEstateVehiclesAndFurnitureFixturesAndEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |