Related-Party Transactions (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Related Party Transaction [Line Items]
Other current liabilities	$ 2,611	$ 2,033
Other non-current liabilities	$ 10,340	$ 12,166
Milestone Achieved \| Related Party \| ILJIN
Related Party Transaction [Line Items]
Ownership percentage	5.00%
Milestone Achieved \| ILJIN
Related Party Transaction [Line Items]
Other current liabilities	$ 500
Employee Benefit Obligations \| Dr. Robert T. Foster
Related Party Transaction [Line Items]
Other current liabilities	500
Other non-current liabilities	$ 6,400

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