SK ecoplant Strategic Investment - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands							1 Months Ended	2 Months Ended	3 Months Ended		9 Months Ended
		Sep. 23, 2023	Mar. 31, 2023	Mar. 20, 2023	Aug. 10, 2022	Dec. 29, 2021	Oct. 31, 2021	Dec. 29, 2021	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Sep. 15, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Deferred revenue									$ 67,613		$ 67,613			$ 94,355
Less issuance cost											0	$ 13,407
Derecognition of the pre-modification forward contract fair value											76,242
Reduction to deferred revenue and customer deposits	[1]										$ 57,041	12,716
SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Percentage of voting interests acquired													40.00%
Second Tranche Closing
Schedule of Equity Method Investments [Line Items]
Change in fair value				$ 16,100
Second Tranche Closing | SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Total consideration				403,300
Series A Redeemable Convertible Preferred Stock | Initial Investment | SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares)						10,000,000	10,000,000
Class A common stock | SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Percentage of voting interests acquired									10.50%		10.50%
Series B preferred | SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Conversion of shares (in shares)		13,491,701
SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Purchase commitment period							3 years
Net proceeds from stock offering				310,500
Series B redeemable convertible preferred stock							$ 218,000
Change in fair value								$ 9,700
Deferred revenue						$ 37,000		$ 37,000	$ 0		$ 0			24,600
Revenue recognized									0	$ 3,200	0	$ 7,900
Deferred revenue and customer deposits, current														10,000
Customer deposits														$ 14,600
Deferred expense recognized as contra-revenue									3,000		3,000
SK Ecoplant | Initial Investment
Schedule of Equity Method Investments [Line Items]
Reduction to deferred revenue and customer deposits				24,600
SK Ecoplant | Second Tranche Closing
Schedule of Equity Method Investments [Line Items]
Net proceeds from stock offering				311,000
Sale of stock excluding issuance cost				500
Deferred revenue									39,500		39,500
Less issuance cost				$ 500
Loan agreement term				5 years
Interest rate				4.60%
Loan commitment asset, fair value									52,800		52,800
Loan commitment asset, current									5,300		5,300
Loan commitment asset, noncurrent									47,500		47,500
Total consideration				$ 363,800
Excess consideration			$ 14,900						11,900		11,900
SK Ecoplant | Second Tranche Closing | Prepaid Expenses and Other Current Assets
Schedule of Equity Method Investments [Line Items]
Excess consideration			8,200						9,900		9,900
SK Ecoplant | Second Tranche Closing | Other long-term assets
Schedule of Equity Method Investments [Line Items]
Excess consideration			6,700						$ 2,000		$ 2,000
SK Ecoplant | Series A Redeemable Convertible Preferred Stock | Initial Investment
Schedule of Equity Method Investments [Line Items]
Temporary equity, par value (in dollars per share)							$ 0.0001
Offering price per share (in dollars per share)							$ 25.50
Net proceeds from stock offering							$ 255,000
SK Ecoplant | Series A Redeemable Convertible Preferred Stock | Second Tranche Closing
Schedule of Equity Method Investments [Line Items]
Derecognition of the pre-modification forward contract fair value			$ 76,200
SK Ecoplant | Class A common stock | Option To Purchase
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares)					13,491,701
SK Ecoplant | Series B preferred | Second Tranche Closing
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares)				13,491,701
Temporary equity, par value (in dollars per share)				$ 0.0001
Offering price per share (in dollars per share)				$ 23.05

[1] Including change in related party balances of $11.1 million for the nine months ended September 30, 2023. There were no associated related party balances for the nine months ended September 30, 2022.