Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2020

Fair Value Disclosures [Abstract]

Schedule of the Fair Value of Assets and Liabilities

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

	September 30, 2020
	Level 1		Level 2		Level 3		Total
Assets
Commodity derivatives	$	—	$	1,349.8	$	—	$	1,349.8
Commodity investments	1.0		—		—		1.0
Right to receive crude oil barrels	—		36.6		—		36.6
RIN commitment contracts	—		2.9		—		2.9
Total assets	1.0		1,389.3		—		1,390.3
Liabilities
Commodity derivatives	—		(1,345.7)		—		(1,345.7)
RIN commitment contracts	—		(1.1)		—		(1.1)
Environmental credits obligation deficit	—		(233.6)		—		(233.6)
J. Aron supply and offtake obligations	—		(323.2)		—		(323.2)
Total liabilities	—		(1,903.6)		—		(1,903.6)
Net assets (liabilities)	$	1.0	$	(514.3)	$	—	$	(513.3)

	December 31, 2019
	Level 1		Level 2		Level 3		Total
Assets
Commodity derivatives	$	—	$	240.3	$	—	$	240.3
Investment commodities	12.1		—		—		12.1
RIN commitment contracts	—		0.6		—		0.6
Environmental credits obligation surplus	—		16.8		—		16.8
Total assets	12.1		257.7		—		269.8
Liabilities
Commodity derivatives	—		(263.0)		—		(263.0)
RIN commitment contracts	—		(1.9)		—		(1.9)
Environmental credits obligation deficit	—		(18.5)		—		(18.5)
J. Aron supply and offtake obligations	—		(477.3)		—		(477.3)
Total liabilities	—		(760.7)		—		(760.7)
Net assets (liabilities)	$	12.1	$	(503.0)	$	—	$	(490.9)