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Stock-based Compensation - Stock-based Compensation Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Jun. 30, 2023
Jun. 30, 2022
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation $ 2,716 $ 3,231 $ 5,525 $ 7,069
Stock options        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation 1,096 794 2,018 1,600
RSUs and RSAs        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation 1,373 1,333 2,499 2,495
PSUs        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation 279 442 1,116 1,314
PBOs        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation (32) 662 (108) 1,660
Cost of product revenue        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation 83 143 212 243
Research and development        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation 806 1,026 1,528 2,065
Selling, general and administrative        
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]        
Stock-based compensation $ 1,827 $ 2,062 $ 3,785 $ 4,761