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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%