XML 68 R50.htm IDEA: XBRL DOCUMENT v3.6.0.2
GOING CONCERN (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2017
Feb. 28, 2017
Dec. 31, 2016
Dec. 31, 2015
Debt Instrument [Line Items]        
Long-term debt     $ 1,427,784 $ 1,060,955
Secured Debt | Building Loan        
Debt Instrument [Line Items]        
Long-term debt     $ 11,284 $ 11,702
Forecast        
Debt Instrument [Line Items]        
Extinguishment of debt $ 1,191,500      
Long-term debt   $ 236,284    
Forecast | Senior Notes | Second Lien Notes        
Debt Instrument [Line Items]        
Long-term debt   225,000    
Forecast | Secured Debt | Building Loan        
Debt Instrument [Line Items]        
Long-term debt   $ 11,284