XML 55 R45.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Summary of Significant Accounting Policies - Narrative (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2024 | Mar. 31, 2023
Accounting Policies [Abstract] |  |
Factoring fees | $ 169 | $ 0

X
- Definition Servicing Asset, Factoring Fees + References No definition available. + Details
Name: | amrc_ServicingAssetFactoringFees
Namespace Prefix: | amrc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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