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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Detail (Details) (USD $)
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Significant Accounting Plicies [Line Items]      
Certificates of Deposit and Cash $ 3,300,000 $ 5,300,000  
Inventory, Net 900,000 1,200,000  
Impairment of other property and equipment 0 0  
Non-Oil and gas Depreciation, Depletion and Amortization 5,100,000 4,700,000 4,000,000
Capitalized Interest 1,900,000 1,200,000 1,700,000
Production Tax Liability 22,100,000 18,700,000  
Debt Issuance Cost 16,600,000 17,400,000  
Restricted Cash [Member]
     
Significant Accounting Plicies [Line Items]      
Certificates of Deposit and Cash 2,200,000 3,900,000  
Other Assets [Member]
     
Significant Accounting Plicies [Line Items]      
Certificates of Deposit and Cash 1,100,000 1,400,000  
12% Senior Notes [Member]
     
Significant Accounting Plicies [Line Items]      
Debt Issuance Cost   10,900,000  
7.75% Senior Notes [Member]
     
Significant Accounting Plicies [Line Items]      
Debt Issuance Cost 9,800,000    
Debt Instrument, Interest Rate, Stated Percentage 7.75%    
Revolving Credit Facility [Member]
     
Significant Accounting Plicies [Line Items]      
Debt Issuance Cost 5,500,000 4,600,000  
3.25% Convertible Note [Member]
     
Significant Accounting Plicies [Line Items]      
Debt Issuance Cost $ 1,300,000 $ 1,900,000