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Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) $ in Thousands | 2 Months Ended | 10 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 28, 2017 | Dec. 31, 2017 | Dec. 31, 2019 | Dec. 31, 2018
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | $ 79,832 | $ 386,569 | $ 597,403 | $ 591,178
(Losses) gains on oil derivatives | 12,886 | (66,900) | (44,955) | 1,735
Other revenues | 1,424 | 3,975 | 316 | 774
Total revenues and other | 92,718 | 319,669 | 559,405 | 586,557
Oil sales |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 54,110 | 303,589 | 543,634 | 520,979
Natural gas sales |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 14,476 | 40,887 | 19,391 | 26,244
Natural gas liquids sales |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 5,534 | 13,452 | 2,571 | 5,651
Electricity sales |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 3,655 | 21,972 | 29,397 | 35,208
Marketing revenues |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
Revenues | 633 | 2,694 | 2,094 | 2,322
Oil |  |  |  |
Disaggregation of Revenue [Line Items] |  |  |  |
(Losses) gains on oil derivatives | $ 12,886 | $ (66,900) | $ (37,998) | $ (4,621)

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