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- Definition

Disposal Group, Including Discontinued Operation, Notes Received

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- Definition

Disposal Group, Including Discontinued Operation, Option To Purchase Investment Tax Credits Generated By Disposed Assets, Amount

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- Definition

Payments to Acquire Investment Tax Credit

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- Definition

Amount classified as assets attributable to disposal group held for sale or disposed of.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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- Definition

Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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No definition available.

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- Definition

Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations.

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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.

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Sale of Bright Canyon Energy (Details) - USD ($) $ in Thousands		5 Months Ended	12 Months Ended
	Jan. 30, 2024	Jan. 12, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Aug. 04, 2023	Feb. 11, 2022
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gain on sale relating to BCE			$ 22,988	$ 6,423	$ 0
Bridge Loan \| Equity Bridge Loan Facility \| Bright Canyon Energy Corporation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt instrument, face amount						$ 31,000	$ 31,000
Term Loan \| Non-Recourse Construction Term Loan Facility \| Bright Canyon Energy Corporation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Debt instrument, face amount						36,000	$ 36,000
Discontinued Operations, Disposed of by Sale \| Bright Canyon Energy Corporation
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held-for-sale		$ 35,000
Consideration received		108,000				$ 44,000
Gain on sale relating to BCE		29,000	$ 23,000	$ 6,000
Promissory notes received		46,000
Discontinued Operations, Disposed of by Sale \| Bright Canyon Energy Corporation \| Ameresco, Inc.
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Assets held-for-sale		79,000
Liabilities transferred		$ 41,000
Discontinued Operations, Disposed of by Sale \| Bright Canyou Energy Corportion
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Investment tax credits	$ 23,000
Payments to acquire investment tax credits	$ 21,000