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Share-Based Compensation (Employee Stock Repurchase Plan) (Details) - ESPP
9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Risk-free interest rate 4.70% 1.50%
Expected term (in years) 6 months 6 months
Expected volatility (as a percent) 35.80% 41.60%