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Fair Value Measurements - Significant Unobservable Inputs - Long Term Debt Conversion Feature (Details) - Predecessor - Debt holder conversion feature - Level 3
$ in Thousands
12 Months Ended
Dec. 31, 2015
USD ($)
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Fair value $ 29,355
Minimum  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Hazard rate 114.00%
Maximum  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Hazard rate 135.20%
Weighted Average  
Fair Value Inputs, Liabilities, Quantitative Information [Line Items]  
Hazard rate 119.20%