Annual report pursuant to Section 13 and 15(d)

Chapter 11 Cases - Reorganization Items and Liabilities Subject to Compromise (Details)

v3.19.1
Chapter 11 Cases - Reorganization Items and Liabilities Subject to Compromise (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Jan. 22, 2014
Jul. 30, 2013
Restructuring Cost and Reserve [Line Items]        
Professional fees $ 2,251      
DIP facility costs 975      
(Gain) loss on debt modification 9,789 $ 0    
Liabilities subject to compromise 600,996 $ 0    
6.75% Notes        
Restructuring Cost and Reserve [Line Items]        
Unamortized debt issuance expense $ 3,775      
Debt instrument fixed interest rate 6.75%   6.75%  
Liabilities subject to compromise, long-term debt $ 360,000      
7.50% Notes        
Restructuring Cost and Reserve [Line Items]        
Unamortized debt issuance expense $ 1,580      
Debt instrument fixed interest rate 7.50%     7.50%
Liabilities subject to compromise, long-term debt $ 225,000      
Senior Notes        
Restructuring Cost and Reserve [Line Items]        
Liabilities subject to compromise, long-term debt 15,996      
2015 Secured Credit Agreement        
Restructuring Cost and Reserve [Line Items]        
Unamortized debt issuance expense $ 1,208