Income Taxes - Reconciliation of the Change in Gross Unrecognized Tax Benefits and Additional Information (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Reconciliation of the change in gross unrecognized tax benefits
Balance as of January 1	$ 1.1	$ 0.9	$ 1.0
Additions based on current year tax positions	0.3	0.7	0.7
Reductions related to lapses of statutes of limitations	(0.1)	(0.5)	(0.8)
Balance as of December 31	$ 1.3	$ 1.1	$ 0.9