Summary of Significant Accounting Policies - Other Noncurrent Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Turnaround costs	$ 20.6	$ 47.9	$ 62.6
turnaround costs-ONCA	109.5	129.3
Amortization expense on its turnaround assets.	100.5	68.9
Amortization expense on its turnaround assets	$ 38.0	$ 36.1	$ 23.1
Turnaround assets | Minimum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	2 years
Turnaround assets | Maximum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	5 years