Annual report pursuant to Section 13 and 15(d)

Bankruptcy Proceedings, Emergence and Fresh Start Accounting Valuation Process (Details)

v3.10.0.1
Bankruptcy Proceedings, Emergence and Fresh Start Accounting Valuation Process (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Sep. 12, 2016
Reorganizations [Abstract]          
Fresh Start Valuation - Discount Rate for Gathering and Transportation Costs         1350.00%
Fair Value of Proved Reserves         $ 121,900
Asset retirement obligations $ 4,314 $ 3,286 $ 2,459   2,700
Fair Value of Undeveloped Acreage - Eagle Ford         92,500
Fair Value of Undeveloped Acreage - Other than Eagle Ford         8,300
Fair Value of Other Fixed Assets         26,700
Fair Value of South Texas Water Facility         23,400
Debt Issuance Costs, Line of Credit Arrangements, Gross $ 900 $ 1,700     3,011
Plan of Reorganization, Line of Credit Facility, Initial Borrowing       $ 75,400 $ 75,400