Inventory Intermediation Obligations - Schedule of Outstanding Obligations Under Agreements (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Other Liabilities Disclosure [Abstract]
Obligations related to Base Layer Volumes	$ 408.7	$ 407.2
Current portion	0.0	0.4
Total obligations under Inventory Intermediation Agreement	408.7	407.6
Other payable (receivable) for monthly activity true-up	$ 20.2	$ (9.3)