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Share-based Compensations - Recognized Share-based Compensation (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Recognized share-based compensation    
Total share-based compensation expense $ 4,481 $ 3,237
Cost of sales    
Recognized share-based compensation    
Total share-based compensation expense 938 495
Research and development    
Recognized share-based compensation    
Total share-based compensation expense 1,257 817
Selling, general and administrative    
Recognized share-based compensation    
Total share-based compensation expense $ 2,286 $ 1,925
Restricted Stock Awards | Minimum    
Recognized share-based compensation    
Expiration term 1 year  
Restricted Stock Awards | Maximum    
Recognized share-based compensation    
Expiration term 4 years