Provision (Benefit) for Income Taxes (Details Textual) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Apr. 22, 2016 USD ($)	Dec. 31, 2016 USD ($)	Dec. 31, 2017 USD ($)	Dec. 31, 2015 USD ($)	Dec. 22, 2017 USD ($)
Effective income tax rate reconciliation, percent			35.00%
Operating Loss Carryforwards		$ 1,300,000
Cancellation of debt income		854,000
NOL after cancellation of debt		451,000
Deferred Tax Asset, Operating Loss Carryforward, Change in Control Annual Limitation		6,000
Deferred Tax Assets, Operating Loss Carryforwards, Subject to Expiration		337,000
Deferred Tax Assets, Operating Loss Carryforwards		$ 114,000	$ 278,000
Previous Federal Corporate Tax Rate					0.35
New Federal Corporate Tax Rate					0.21
Reduction in Net Deferred Tax Asset					$ 39,000
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax			$ 2,000
Predecessor [Member]
Effective income tax rate reconciliation, percent	35.00%			35.00%
Income Tax Expense (Benefit)	$ 0			$ (80,543)
Successor [Member]
Effective income tax rate reconciliation, percent		35.00%	35.00%
Deferred Tax Assets, Valuation Allowance		$ 136,656	$ 58,398
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax		2,092	138
Income Tax Expense (Benefit)		$ 0	$ (1,954)