Commitments and Contingencies - Litigations (Details) - USD ($) $ in Millions		1 Months Ended	3 Months Ended	12 Months Ended
	Oct. 29, 2021	Jun. 30, 2019	Dec. 31, 2019	Dec. 31, 2019	Dec. 31, 2021
Site Contingency [Line Items]
Loss contingency, damages sought, value		$ 6.7
Subsequent reduction in contingent litigation accrual				$ 5.7
El Dorado Refinery Prior Owner Case
Site Contingency [Line Items]
Loss contingency, damages sought, value			$ 6.4
Arkansas Teacher Retirement System v. Alon USA Energy, Inc.
Site Contingency [Line Items]
Loss contingency, damages awarded	$ 44.8
Loss contingency, damages awarded, insurance recovery	42.5
Loss contingency accrual, amount not covered by insurance	2.3
Loss contingency accrual, legal fees	$ 4.2
Loss contingency accrual					$ 0.7