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Share-Based Compensation - Summary of Pre-tax Share-based Compensation Expense (Details)
$ in Thousands
3 Months Ended
Mar. 31, 2021
USD ($)
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]  
Total pre-tax share-based compensation expense $ 1,752
Research and Development  
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]  
Total pre-tax share-based compensation expense 268
Sales, Marketing, General and Administrative  
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]  
Total pre-tax share-based compensation expense $ 1,484