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Property Acquisitions and Dispositions - Dispositions, Narrative (Details) - Predecessor $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2014 USD ($) a Wells | May 31, 2014 USD ($) | Feb. 28, 2014 USD ($) | Jun. 30, 2014 USD ($) | Oct. 10, 2016 USD ($) | Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($) a Wells
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Proceeds from sales of oil and natural gas properties |  |  |  |  | $ 0 | $ 2,691 | $ 72,382
Ward County, Texas |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Net acres | a | 1,845 |  |  |  |  |  | 1,845
Number of vertical wells | Wells | 18 |  |  |  |  |  | 18
Proceeds from sales of oil and natural gas properties | $ 12,500 |  |  |  |  |  |
Gain (loss) on sale of oil and gas properties | $ 1,500 |  |  |  |  |  |
Caprock Field |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Proceeds from sales of oil and natural gas properties |  | $ 59,300 |  |  |  |  |
Gain (loss) on sale of oil and gas properties |  |  |  | $ 2,200 |  |  |
Atlantic Midstream |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |
Proceeds from sales of oil and natural gas properties |  |  | $ 71,800 |  |  |  |
Gain (loss) on sale of oil and gas properties |  |  | $ 20,000 |  |  |  |
Interest in Atlantic Midstream |  |  | 98.50% |  |  |  |

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- Definition Amount of gain (loss) on sale or disposal of proven and unproven oil and gas properties. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3602-108585 + Details
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- Definition The cash inflow to dispose of long-lived, physical assets and mineral interests in oil and gas properties used for normal oil and gas operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3179-108585 + Details
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