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Summary of Significant Accounting Policies - Principles of Consolidation (Details) | Dec. 31, 2022 investment_fund
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Accounting Policies [Abstract] |
Investment funds formed to fund the purchase of solar energy systems | 3

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- Definition Investment Funds, Purchase Of Solar Energy Systems + References No definition available. + Details
Name: | amrc_InvestmentFundsPurchaseOfSolarEnergySystems
Namespace Prefix: | amrc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

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