XML 57 R47.htm IDEA: XBRL DOCUMENT
v3.21.1

Energy Assets, Net - Energy Assets (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Property, Plant and Equipment [Line Items] |  |  |
Energy assets, net | [1] | $ 765,122 | $ 729,378
Energy Assets |  |  |
Property, Plant and Equipment [Line Items] |  |  |
Energy assets |  | 1,000,085 | 954,426
Less - accumulated depreciation and amortization |  | (234,963) | (225,048)
Energy assets, net |  | $ 765,122 | $ 729,378
[1] | Includes restricted assets of consolidated variable interest entities (“VIEs”) at March 31, 2021 and December 31, 2020 of $159,136 and $162,198, respectively. Includes non-recourse liabilities of consolidated VIEs at March 31, 2021 and December 31, 2020 of $32,614 and $33,335, respectively. See Note 12.

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

X
- Definition Amount before accumulated depreciation, depletion and amortization of other physical assets used in the normal conduct of business to produce goods and services and not intended for resale. + 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 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 + Details
Name: | us-gaap_PropertyPlantAndEquipmentOther
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of accumulated depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentOtherAccumulatedDepreciation
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount after depreciation of long-lived, physical assets used to produce goods and services and not intended for resale, classified as other. + References No definition available. + Details
Name: | us-gaap_PropertyPlantAndEquipmentOtherNet
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_RegulatoryAssetAxis=amrc_RenewalEnergyProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |