Accrued Liabilities - Schedule of Accrued Liabilities (Details) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Payables And Accruals [Abstract]
Bonus payable	$ 3,239	$ 2,155
Payroll payable	8	1
Accrued interest - 8.750% Senior Notes	2,961	2,924
Accrued interest - other	355	523
Accrued rent	237	298
Accrued well costs	11,121	3,366
Accrued severance, property and franchise taxes	936	431
Accrued professional fees	3,788
Other	438	249
Accrued liabilities excluding due to related parties	$ 23,083	$ 9,947