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Investments - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2025
Sep. 30, 2024
Sep. 30, 2025
Sep. 30, 2024
Dec. 31, 2024
Marketable Securities [Line Items]          
Equity securities, net unrealized gain $ 1.4 $ 2.0 $ 5.7 $ 3.5  
Debt securities, net unrealized gain (loss) (0.4) $ 0.8 1.8 $ 1.4  
Variable Interest Entity, Primary Beneficiary          
Marketable Securities [Line Items]          
Fair value of deconsolidated investment in affiliate, equity securities $ 8.5   $ 8.5   $ 10.9