Borrowings - Narrative (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended
	Mar. 03, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Dec. 31, 2022	Aug. 27, 2020
Sunoma Loan
Debt Instrument [Line Items]
Aggregate principal amount							$ 23,000	$ 20,000
Interest rate during period		8.70%	8.10%	8.70%	8.20%
Letter of Credit
Debt Instrument [Line Items]
Draws on letters of credit				$ 968		$ 968
Credit Agreement | Secured Debt
Debt Instrument [Line Items]
Financing fees paid	$ 1,250
Credit Agreement | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Draws on letters of credit				40,000
Repayments on letters of credit				15,000
Proceeds from issuance				34,517
OPAL Term Loan | Secured Debt
Debt Instrument [Line Items]
Debt outstanding		$ 331,618		$ 331,618		$ 286,617
Weighed average effective interest rate		8.80%	9.20%	8.50%	8.70%
OPAL Term Loan | Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Draws on letters of credit				$ 20,000