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COMMODITY PRICE RISK MANAGEMENT (Tables)
 12 Months Ended
Dec. 31, 2014
COMMODITY PRICE RISK MANAGEMENT [Abstract]  
Fair Value of Derivatives Recorded in Applicable Consolidated Balance Sheet, by Category
The following table details the fair value of the derivatives recorded in the applicable consolidated balance sheet, by category as of December 31, 2013.  There were no derivative contracts in place at December 31, 2014.

        
    
As of December 31, 2013
 
    
(in thousands)
 
Underlying Commodity
Location on Balance Sheet
 
Gross amounts of recognized assets and liabilities
  
Gross amounts offset in the consolidated balance sheet
  
Net amounts of assets and liabilities presented in the consolidated balance sheet
 
        
Crude oil derivative contract
Current assets
 
$
345
  
$
(331
)
 
$
14
 
Crude oil derivative contract
Current liabilities
 
$
611
  
$
(331
)
 
$
280
 
Schedule of Unrealized and Realized Derivative Gain Loss

       
  
(In thousands)
 
  
For the years ended December 31,
 
  
2014
  
2013
  
2012
 
Realized derivative (loss) gain
 
$
316
  
$
(338
)
 
$
21
 
Unrealized derivative (loss) gain
 
$
266
  
$
(737
)
 
$
1,070
 
Total realized and unrealized derivative (loss) gain
 
$
582
  
$
(1,075
)
 
$
1,091