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2. VARIABLE INTEREST ENTITY (Tables)
6 Months Ended
Jun. 30, 2013
Variable Interest Entity  
Value and classification of assets that are collateral for obligations of New PE Holdco

Cash and cash equivalents  $37 
Other current assets   9,553 
Property and equipment   146,440 
Other assets   3,050 
Total assets  $159,080 

 

Current liabilities  $7,597 
Long-term debt   101,760 
Other liabilities   5,496 
Total liabilities  $114,853