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Share-Based Compensation - Classification of Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Share-based compensation        
Share-based compensation expense $ 6,041 $ 6,199 $ 18,748 $ 19,042
Cost of goods sold        
Share-based compensation        
Share-based compensation expense 164 62 456 101
Research and development expenses        
Share-based compensation        
Share-based compensation expense 1,532 1,912 5,116 6,469
Selling, general and administrative expenses        
Share-based compensation        
Share-based compensation expense 4,345 4,225 13,176 12,472
Stock options        
Share-based compensation        
Total unrecognized compensation cost 40,360   $ 40,360  
Expenses expected to be recognized over a weighted average remaining period     2 years 8 months 23 days  
Restricted Share Units (RSUs)        
Share-based compensation        
Share-based compensation expense 1,146 $ 838 $ 2,697 $ 2,868
Total unrecognized compensation cost $ 17,821   $ 17,821  
Expenses expected to be recognized over a weighted average remaining period     3 years 4 months 17 days