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v3.20.2

Segment Information - Reconciliation of Segment Information, Revenue and Other Operating Income (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019 | Sep. 30, 2020 | Sep. 30, 2019
Revenue, Major Customer [Line Items] |  |  |  |
(Loss) Gain on Commodity Derivative Instruments | $ (168,834) | $ 213,913 | $ (116,995) | $ 240,118
Other Operating Income | 4,466 | 3,317 | 13,177 | 9,436
Total Revenue and Other Operating Income | 66,075 | 529,997 | 631,275 | 1,413,460
Operating Segments |  |  |  |
Revenue, Major Customer [Line Items] |  |  |  |
Total Segment Revenue from Contracts with External Customers | $ 230,443 | $ 312,767 | $ 735,093 | $ 1,163,906

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