SK ecoplant Strategic Investment (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		2 Months Ended	12 Months Ended
	Oct. 23, 2021	Dec. 29, 2021	Dec. 31, 2021	Dec. 31, 2020
Schedule of Equity Method Investments [Line Items]
Deferred revenue			$ 115,476	$ 135,578
Option to acquire a variable number of shares of Class A Common Stock
Schedule of Equity Method Investments [Line Items]
Derivative liability			13,200
SK Ecoplant
Schedule of Equity Method Investments [Line Items]
Purchase commitment period	3 years
Redeemable convertible preferred stock, Series A	$ 218,000
Change in fair value		$ 9,700
Deferred revenue		$ 37,000	34,200
Revenue recognized			2,800
Deferred revenue, current			7,800
Deferred revenue, noncurrent			26,400
Loss from revalued option			3,600
Transaction costs	$ 9,800
Redemption price (in dollars per share)	$ 25.50
Conversion price (in dollars per share)	$ 25.50
Percent threshold	5.00%
Redemption threshold period	10 months
SK Ecoplant | Option to acquire a variable number of shares of Class A Common Stock
Schedule of Equity Method Investments [Line Items]
Derivative liability	$ 9,600		$ 13,200
SK Ecoplant | Other Income (Expense), Net
Schedule of Equity Method Investments [Line Items]
Transaction costs	400
SK Ecoplant | Convertible Redeemable Preferred Stock
Schedule of Equity Method Investments [Line Items]
Transaction costs	$ 9,400
SK Ecoplant | Option Shares
Schedule of Equity Method Investments [Line Items]
Offering price per share (in dollars per share)	$ 23.00
Ownership threshold	1.00%
Percentage of ownership after transaction	15.00%
Percent of the volume-weighted average closing price	1.15
Consecutive trading day period	20 days
Class A common stock | SK Ecoplant | Option Shares
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares)	11,000
Series A Redeemable Convertible Preferred Stock | SK Ecoplant | Initial Investment
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares)	10,000
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