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v3.22.4

Summary of Significant Accounting Policies - Sales Leaseback (Details) | 12 Months Ended
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Dec. 31, 2022
Solar PV project |
Sale Leaseback Transaction [Line Items] |
Percentage of fair value threshold integral equipment | 10.00%

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- Definition Percentage of Fair Value Threshold, Integral Equipment + References No definition available. + Details
Name: | amrc_PercentageofFairValueThresholdIntegralEquipment
Namespace Prefix: | amrc_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

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

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- Details
Name: | us-gaap_SaleLeasebackTransactionDescriptionAxis=amrc_SolarPhotovoltaicProjectsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |