SK ecoplant Strategic Investment (Details) - SK Ecoplant $ / shares in Units, shares in Thousands, $ in Millions	Oct. 23, 2021 USD ($) $ / shares shares
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
Series A Redeemable Convertible Preferred Stock | Initial Investment
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares) | 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 | $	$ 255.0
Class A common stock | Option Shares
Schedule of Equity Method Investments [Line Items]
Shares sold in offering (in shares) | shares	11,000