XML 64 R52.htm IDEA: XBRL DOCUMENT v3.8.0.1
LONG-TERM DEBT - Senior Secured Notes (Details) - USD ($)
9 Months Ended
May 09, 2017
Sep. 30, 2017
Long-term debt    
Loss on extinguishment of debt   $ 14,615,000
Senior secured notes | 7.25% Notes due 2021 (Refinanced Secured Notes)    
Long-term debt    
Outstanding amount redeemed $ 335,000,000  
Loss on extinguishment of debt 1,700,000  
Debt issuance costs and fees expensed on extinguishment of debt 200,000  
Debt discounts expensed on extinguishment of debt $ 1,500,000