Related-Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Due from Related Parties, Current [Abstract]
Receivable from related party	$ 5,388	$ 5,388	$ 7,910
Investor [Member] \| General Motors Company and Its Affiliates [Member]
Related Party Transaction [Line Items]
Related party ownership percentage of the Company's Class A Common Stock, minimum (as a percent)	10.00%	10.00%
Investor [Member] \| GM Global Technology Operations LLC and General Motors Holdings LLC [Member]
Related Party Transaction [Line Items]
JDA, credit to research and development expense	$ 2,800	$ 3,500
Due from Related Parties, Current [Abstract]
Receivable from related party	$ 5,400	$ 5,400

The aggregate amount of receivables to be collected from related parties where one party can exercise control or significant influence over another party; including affiliates, owners or officers and their immediate families, pension trusts, and so forth, at the financial statement date. which are usually due within one year (or one business cycle).

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+ Details