Income Taxes - Summary of Net Operating Loss Carryforwards (Details) - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024
United States Federal and Non-United States
Income Tax Contingency [Line Items]
2026	$ 0.0
2027	0.2
2028	3.8
2029	7.1
2030	6.2
Thereafter	27.3
No expirations	1,258.5
Total net operating loss carryforwards	1,303.1
United States State
Income Tax Contingency [Line Items]
2026	6.6
2027	5.6
2028	0.1
2029	3.1
2030	4.1
Thereafter	129.4
No expirations	29.5
Total net operating loss carryforwards	$ 178.4	$ 178.4