SK ecoplant Strategic Investment - Narrative (Details) $ / shares in Units, $ in Thousands				1 Months Ended	2 Months Ended	3 Months Ended		6 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 20, 2023 USD ($) installment $ / shares shares	Aug. 10, 2022 shares	Oct. 31, 2021 USD ($) $ / shares shares	Dec. 29, 2021 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Jun. 30, 2023 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 USD ($)
Schedule of Equity Method Investments [Line Items]
Deferred revenue						$ 85,110		$ 85,110		$ 94,355
Derecognition of the pre-modification forward contract fair value								76,242
Loan commitment asset						5,259		5,259		0
Loan commitment asset						47,533		47,533		0
Deferred revenue and customer deposits								26,766	$ 10,158
Second Tranche Closing
Schedule of Equity Method Investments [Line Items]
Change in fair value		$ 16,100
SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Purchase commitment period				3 years
Series B redeemable convertible preferred stock				$ 218,000
Change in fair value					$ 9,700
Deferred revenue					$ 37,000	0		0		24,600
Revenue recognized						0	$ 3,500	0	$ 4,700
Deferred revenue, current										10,000
Deferred revenue, noncurrent										$ 14,600
SK Ecoplant | Initial Investment
Schedule of Equity Method Investments [Line Items]
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
Deferred revenue						39,500		39,500
Loan agreement term		5 years
Interest rate		4.60%
Loan commitment asset						52,800		52,800
Loan commitment asset						5,300		5,300
Loan commitment asset						47,500		47,500
Total consideration		$ 363,800
Excess consideration						14,900		14,900
Number of installments | installment		1
Redemption notice period		4 months
Conversion period		6 months
SK Ecoplant | Second Tranche Closing | SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Total consideration		$ 403,300
SK Ecoplant | Second Tranche Closing | Minimum
Schedule of Equity Method Investments [Line Items]
Installment period following written notice of redemption		60 days
Conversion period		4 months
SK Ecoplant | Second Tranche Closing | Maximum
Schedule of Equity Method Investments [Line Items]
Installment period following written notice of redemption		90 days
Conversion period		6 months
SK Ecoplant | Second Tranche Closing | Prepaid Expenses and Other Current Assets
Schedule of Equity Method Investments [Line Items]
Excess consideration						8,200		8,200
SK Ecoplant | Second Tranche Closing | Other long-term assets
Schedule of Equity Method Investments [Line Items]
Excess consideration						$ 6,700		$ 6,700
SK Ecoplant | Series A Redeemable Convertible Preferred Stock | Initial Investment
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares) | shares				10,000,000
Temporary equity, par value (in dollars per share) | $ / shares				$ 0.0001
Offering price per share (in dollars per share) | $ / shares				$ 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) | 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) | shares		13,491,701
Temporary equity, par value (in dollars per share) | $ / shares		$ 0.0001
Offering price per share (in dollars per share) | $ / shares		$ 23.05