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Derivatives - Schedule of Pre-Tax Gain (Loss) Recognized in the Statement of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended
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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)

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- 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 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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