Derivatives - Schedule of Derivatives Fair Value Amounts (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Prepaid and other current assets
Derivative Instruments, Gain (Loss) [Line Items]
Cash collateral	$ 1,500	$ 10,300
Other Noncurrent Assets
Derivative Instruments, Gain (Loss) [Line Items]
Cash collateral	9,500	9,500
Commodity Contract | Prepaid and other current assets
Derivative Instruments, Gain (Loss) [Line Items]
Asset (Liability)	1,346	2,075
Commodity Contract | Other accrued liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Asset (Liability)	0	(5,534)
J. Aron repurchase obligation derivative | Over the Counter | Obligations under inventory financing agreements
Derivative Instruments, Gain (Loss) [Line Items]
Asset (Liability)	(20,797)	173
MLC terminal obligation derivative | Over the Counter | Obligations under inventory financing agreements
Derivative Instruments, Gain (Loss) [Line Items]
Asset (Liability)	(10,161)	(14,717)
Interest rate derivatives | Other accrued liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Asset (Liability)	(966)	(314)
Interest rate derivatives | Other liabilities
Derivative Instruments, Gain (Loss) [Line Items]
Asset (Liability)	$ (2,027)	$ (1,113)