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Segment Information - Reconciliation of Segment Information, Revenue and Other Income (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Segment Reporting, Revenue Reconciling Item [Line Items]      
(Loss) Gain on Commodity Derivative Instruments $ (1,632,733) $ 172,982 $ 376,105
Other Operating Income 24,616 17,749 13,678
Total Consolidated Revenue and Other Operating Income 756,792 1,257,978 1,922,449
Operating Segments      
Segment Reporting, Revenue Reconciling Item [Line Items]      
Total Segment Revenue from Contracts with External Customers $ 2,364,909 $ 1,067,247 $ 1,532,666