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Stock-Based Compensation - Fair Value of Stock Options Granted and Purchase Rights Issued under the ESPP (Details) - Employee Stock Purchase Plan
9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Employee Stock Option    
Stock-Based Compensation    
Expected dividend yield   0.00%
Risk-free interest rate   3.98%
Expected volatility   90.00%
Expected life (years)   6 years 1 month 6 days
Employee Purchase Rights    
Stock-Based Compensation    
Expected dividend yield 0.00% 0.00%
Risk-free interest rate, minimum 3.99% 4.80%
Risk-free interest rate, maximum 4.31% 5.27%
Expected Volatility, minimum 44.00% 62.00%
Expected Volatility, maximum 74.00% 72.00%
Expected life (years) 6 months 6 months