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Derivatives - Schedule of Pre-Tax Gain (Loss) Recognized in the Statement of Operations (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Commodity derivatives | Cost of revenue
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses)	$ 631	$ (57,159)
J. Aron repurchase obligation derivative | Cost of revenue
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses)	(775)	(46,645)
MLC terminal obligation derivative | Cost of revenue
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses)	(24,372)	82,958
Interest rate derivatives | Interest expense
Derivative Instruments, Gain (Loss) [Line Items]
Pre-tax gains (losses)	$ 104	$ (2,020)

X

- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)(1)
-URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959

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- Definition

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+ References

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