Derivatives (Pre-tax Gains and Losses) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Commodity
Derivative Instruments, Gain (Loss) [Line Items]
Gains (losses) on derivatives instruments recognized in earnings	$ 4,827	$ 230,188	$ (22,741)	$ 264,186
Designated as Hedging Instrument \| Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Interest rate derivative gains (losses) included in Other comprehensive income (loss)	8,996	8,923	2,590	25,464
Interest rate derivative gains (losses) included in Interest expense, net	$ 2,515	$ (1,013)	$ 4,619	$ (2,631)

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

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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.

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The portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments representing (a) the amount of the hedge ineffectiveness and (b) the amount, if any, excluded from the assessment of hedge effectiveness.

+ References

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The net gain (loss) during the reporting period due to ineffectiveness in interest rate cash flow hedges. Recognized in earnings.

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