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Debt (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Apr. 14, 2025	Dec. 31, 2024	Apr. 30, 2024
Debt Instrument [Line Items]
Revolver borrowings	$ 6,850		$ 0
4.911% WIFA Note, maturing April 2044 (“4.911% WIFA Note”) | Government Loan
Debt Instrument [Line Items]
Debt instrument, interest rate				4.911%
Northern Trust Loan Agreement | Revolving Credit Facility
Debt Instrument [Line Items]
Revolving line of credit, maximum borrowing capacity		$ 20,000	15,000
Revolver borrowings	$ 6,900		$ 0
Northern Trust Loan Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Debt, weighted average interest rate	6.43%
Government Assistance, Loan | GW-Rincon Utility
Debt Instrument [Line Items]
Government assistance, amount				$ 2,400
Government assistance, outstanding balance	$ 1,600
Government Assistance, Forgiveable Loan | GW-Rincon Utility
Debt Instrument [Line Items]
Government assistance, amount				$ 700

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