Fair Value Measurements - Schedule of Maturities of Debt Securities (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
Cost
After 5 years through 10 years	$ 12.1
Total debt securities	12.1	$ 12.1
Fair Value
After 5 years through 10 years	11.8
Total debt securities	$ 11.8	$ 12.3