Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($)
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	$ 23,194
PPA revenue
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	8,756
SLA revenue
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	11,270
Solar renewable energy credit revenue
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	1,576
Government incentives
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	245
MSA revenue
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	596
Loan servicing
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	174
Other revenue
Revenue (Details) - Schedule of disaggregation of revenue [Line Items]
Revenue	$ 577