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Property and Equipment - Amortization Expense (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Successor        
Capital Leased Assets [Line Items]        
Lease amortization expense $ 3,893   $ 7,588  
Predecessor        
Capital Leased Assets [Line Items]        
Lease amortization expense   $ 9,167   $ 18,802