Ameresco, Inc. Annual report [Section 13 and 15(d), not S-K Item 405]

Annual report [Section 13 and 15(d), not S-K Item 405]

Stock-Based Compensation and Other Employee Benefits - Matching Contributions (Details)

Stock-Based Compensation and Other Employee Benefits - Matching Contributions (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employer contributions	$ 9,118	$ 8,642	$ 7,670
401(k) plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employer contributions	8,090	7,561	6,974
Group Personal Pension Plan \| UNITED KINGDOM
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employer contributions	574	652	290
Registered Retirement Savings Plan \| Canada
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employer contributions	$ 454	$ 429	$ 406

- 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

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+ Details