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Derivatives - Schedule of Gains and Losses of Derivatives Instruments in Statement of Operations (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
Derivative [Line Items] |  |  |  |
Total (losses) gains on oil and natural gas derivatives | $ 12,886 | $ (66,900) | $ (44,955) | $ 1,735
Oil derivatives |  |  |  |
Derivative [Line Items] |  |  |  |
(Losses) gains on derivatives | 12,886 | (66,900) | (37,998) | (4,621)
Natural gas derivatives |  |  |  |
Derivative [Line Items] |  |  |  |
(Losses) gains on derivatives | 0 | 0 | (6,957) | 6,357
Oil and natural gas derivatives |  |  |  |
Derivative [Line Items] |  |  |  |
Total (losses) gains on oil and natural gas derivatives | $ 12,886 | $ (66,900) | $ (44,955) | $ 1,735

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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=109980867&loc=SL5618551-113959 + Details
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- Definition Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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