Balance Sheet Components - Preferred Stock (Details) - $ / shares	Mar. 20, 2023	Mar. 31, 2023	Dec. 31, 2022
Class of Stock [Line Items]
Preferred stock, authorized (in shares)		20,000,000	20,000,000
Preferred stock, par or stated (in dollars per share)		$ 0.0001	$ 0.0001
Preferred stock, issued (in shares)		0	0
Preferred stock, outstanding (in shares)		0	0
Series B preferred | SK Ecoplant | Second Tranche Closing
Class of Stock [Line Items]
Shares sold in offering (in shares)	13,491,701
Series A preferred
Class of Stock [Line Items]
Preferred stock, authorized (in shares)			10,000,000