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Income Taxes - Provision for Income Taxes (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2017
Jun. 30, 2016
Jun. 30, 2017
Jun. 30, 2016
Successor        
Current        
Federal $ 0   $ 0  
State (42)   (39)  
Current, total $ (42)   $ (39)  
Predecessor        
Current        
Federal   $ 0   $ 0
State   3   7
Current, total   $ 3   $ 7