Restricted Net Assets (Details) - Mainland China - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025	Dec. 31, 2025
Restricted Net Assets [Line Items]
Statutory reserves	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Restricted amount by subsidiaries	$ 516.0		$ 516.0		$ 516.0