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LONG-TERM DEBT (Tables)
6 Months Ended
Jun. 30, 2014
LONG-TERM DEBT  
Summary of long-term debt obligations
  June 30,
2014
  December 31,
2013
 
 
  (in thousands)
 

11.5% Senior Secured Second Lien Notes (net of unamortized discount of $10,770 and $11,830 in 2014 and 2013, respectively)

  $ 559,894   $ 558,834