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Stockholders' Equity - Employee Stock Purchase Plan (Details) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Jan. 01, 2024
Sep. 30, 2024
Sep. 30, 2023
Sep. 30, 2024
Sep. 30, 2023
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based compensation expense   $ 10.2 $ 9.4 $ 29.2 $ 29.3
ESPP | Class A Common Stock          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Number of additional shares authorized (in shares) 0.8        
Share-based compensation expense   $ 0.2 $ 0.8 $ 0.4 $ 2.8