Summary of Significant Accounting Policies - Schedule of disaggregation of revenue (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Disaggregation of Revenue [Line Items]
Revenues	$ 23,818	$ 18,287
PPA revenues
Disaggregation of Revenue [Line Items]
Revenues	7,896	7,519
SLA revenues
Disaggregation of Revenue [Line Items]
Revenues	9,940	7,291
Solar renewable energy credit revenues
Disaggregation of Revenue [Line Items]
Revenues	3,855	1,837
Government incentives
Disaggregation of Revenue [Line Items]
Revenues	68	77
Servicing revenues
Disaggregation of Revenue [Line Items]
Revenues	649	0
Intangibles amortization, unfavorable solar renewable energy revenue agreements
Disaggregation of Revenue [Line Items]
Revenues	748	746
Other revenue
Disaggregation of Revenue [Line Items]
Revenues	$ 662	$ 817

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.

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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+ Details