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Equity Plans and Stock-Based Compensation - Stock-Based Compensation Expense (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2023
Mar. 31, 2022
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense $ 0 $ 3,001
Stock-based compensation expense 10,034 7,646
Research and Development    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense 2,112 1,276
Selling, General and Administrative    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense 6,830 5,427
Cost of Sales - Product    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense 695 160
Inventory    
Deferred Compensation Arrangement With Individual Share Based Payments [Line Items]    
Stock-based compensation expense $ 397 $ 783