Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2024

Fair Value Disclosures [Abstract]

Schedule of Financial Assets and Liabilities Measured on Recurring Basis

The fair value hierarchy for our financial assets and liabilities accounted for at fair value on a recurring basis was as follows (in millions):

	As of December 31, 2024
	Level 1		Level 2		Level 3		Total
Assets
Commodity derivatives	$	—	$	24.9	$	—	$	24.9
Interest rate swap derivatives	—		8.3		—		8.3
RINs commitment contracts	—		0.3		—		0.3
Total assets	—		33.5		—		33.5
Liabilities
Commodity derivatives	—		(27.4)		—		(27.4)
Interest rate swap derivatives	—		(5.1)		—		(5.1)
RINs commitment contracts	—		(5.6)		—		(5.6)
Environmental credits obligation deficit	—		(30.6)		—		(30.6)
Inventory Intermediation Agreement obligation	—		(408.7)		—		(408.7)
Total liabilities	—		(477.4)		—		(477.4)
Net liabilities	$	—	$	(443.9)	$	—	$	(443.9)

	As of December 31, 2023
	Level 1		Level 2		Level 3		Total
Assets
Commodity derivatives	$	—	$	6.6	$	—	$	6.6
Total assets	—		6.6		—		6.6
Liabilities
Commodity derivatives	—		(7.9)		—		(7.9)
RINs commitment contracts	—		(3.1)		—		(3.1)
Environmental credits obligation deficit	—		(39.6)		—		(39.6)
Inventory Intermediation Agreement obligation	—		(407.6)		—		(407.6)
Total liabilities	—		(458.2)		—		(458.2)
Net liabilities	$	—	$	(451.6)	$	—	$	(451.6)