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Asset Retirement Obligations Asset Retirement Obligations (Details) - Successor [Member] - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2017
Dec. 31, 2016
Asset Retirement Obligation $ 31,858 $ 32,256
Accretion expense 564  
Liabilities incurred for new wells and facilities construction 68  
Reductions due to plugged wells (1,456)  
Revisions in estimates 426  
Asset retirement obligation - current portion $ 9,039 $ 9,965