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Fair Values of Financial Instruments - Additional Information (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loss on change in fair value $ 1,956 $ 1,504  
Carrying value of royalty obligation 20,825   $ 20,715
Estimated fair value of royalty obligation $ 16,248   $ 15,563
General Motors Holdings LLC [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Loss on change in fair value   $ (180)  
Level 3 [Member]      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Discounted cash flow with a discount rate 11.80%   12.30%