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Related Party Transactions (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Dec. 31, 2023
Related Party Transaction [Line Items]
Outstanding balance	$ 264,076,000		$ 264,076,000		$ 261,161,000
TOTALEnergies S.E.
Related Party Transaction [Line Items]
Proceeds from related party	0		0
Related Party | TOTALEnergies S.E.
Related Party Transaction [Line Items]
Proceeds from related party				$ 1,400,000
Related Party | SAFE&CEC S.r.l.
Related Party Transaction [Line Items]
Proceeds from related party				300,000
Receivables from related party	500,000		500,000		300,000
Payable to related parties					8,100,000
Outstanding balance	6,000,000.0		6,000,000.0
Related Party | Management Fee for Services | TotalEnergies JV and bpJV
Related Party Transaction [Line Items]
Proceeds from related party	700,000	$ 1,100,000	2,300,000	2,200,000
Receivables from related party	400,000		400,000		300,000
Related Party | Business Expenses Reimbursement | TOTALEnergies S.E.
Related Party Transaction [Line Items]
Related party expense	300,000	1,200,000	3,500,000	3,700,000
Related Party | Business Expenses Reimbursement | SAFE&CEC S.r.l.
Related Party Transaction [Line Items]
Related party expense		1,800,000	2,500,000	11,100,000
Related Party | Business Expenses Reimbursement | TotalEnergies JV and bpJV
Related Party Transaction [Line Items]
Receivables from related party	500,000		500,000		700,000
Related party expense		0		1,200,000
Related Party | Management Fee for Services & Business Expenses Reimbursement | TotalEnergies JV and bpJV
Related Party Transaction [Line Items]
Proceeds from related party	1,200,000	600,000	3,200,000	3,500,000
Related party expense		0		0
Related Party | Sharing of Environmental Credits | TotalEnergies JV and bpJV
Related Party Transaction [Line Items]
Related party expense	600,000		3,000,000.0
Payable to related parties	1,000,000.0		1,000,000.0		600,000
Other Equity Method Investees | Rimere
Related Party Transaction [Line Items]
Proceeds from related party		0	0	0
Receivables from related party	0		0		0
Other Equity Method Investees | Management Fee for Services | Rimere
Related Party Transaction [Line Items]
Proceeds from related party	200,000	200,000	500,000	500,000
Receivables from related party	100,000		100,000		700,000
Other Equity Method Investees | Loan Commitment | Rimere
Related Party Transaction [Line Items]
Amount provided for funding in certain equity method investee	2,000,000.0	$ 1,200,000	5,500,000	$ 3,500,000
Other Equity Method Investees | Loan Commitment | Convertible promissory note | Rimere
Related Party Transaction [Line Items]
Receivables from related party	$ 4,000,000.0		4,000,000.0		$ 2,300,000
Other Equity Method Investees | Equipment Sold | Rimere
Related Party Transaction [Line Items]
Proceeds from related party			$ 100,000

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