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Summary of Significant Accounting Policies - Income Taxes (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Accounting Policies [Abstract]        
Excess tax benefit $ 0.4 $ 0.6 $ 5.9 $ 9.5