Basis of Presentation and Significant Accounting Policies - Impairment of long-lived assets (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Long-lived asset impairment	$ 42.3	$ 0.0	$ 42.3	$ 0.0