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Stock-Based Compensation - Stock-Based Compensation Expense (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total employee and director stock-based compensation expense $ 8,809 $ 10,013 $ 9,969
Income tax benefit 1,369 1,660 1,718
Cost of sales      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total employee and director stock-based compensation expense 125 155 156
Research and development expenses      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total employee and director stock-based compensation expense 1,098 1,342 1,253
Selling, general and administrative expenses | Employees      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total employee and director stock-based compensation expense 6,980 7,257 6,997
Selling, general and administrative expenses | Outside directors      
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]      
Total employee and director stock-based compensation expense $ 606 $ 1,259 $ 1,563