Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Details Textual)

v3.8.0.1
Commitments and Contingencies (Details Textual) - USD ($)
$ in Millions
5 Months Ended 7 Months Ended 12 Months Ended
Dec. 31, 2016
Jul. 19, 2016
Dec. 31, 2017
Operating Leases, Rent Expense $ 1.7   $ 4.3
Surety Bond [Member]      
Long-term Debt     $ 93.8
Predecessor [Member]      
Operating Leases, Rent Expense   $ 1.7