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FAIR VALUE OF FINANCIAL INSTRUMENTS (Tables)
6 Months Ended
Jun. 30, 2012
FAIR VALUE OF FINANCIAL INSTRUMENTS [Abstract]  
Assets measured at fair value on a recurring basis
At June 30, 2012, the following items are measured at fair value on a recurring basis:

 
   
Total
  
Level 1
  
Level 2
  
Level 3
 
   
(in thousands)
 
              
Marketable equity securities
 $19,075  $19,075   -   - 
Carrying value and estimated fair value of other long term debt
For long-term debt other than the lines of credit, the fair values are estimated using discounted cash flow analyses, based on the Company's current incremental borrowing rates for similar types of borrowing arrangements. The carrying value and estimated fair value of this other long-term debt at June 30, 2012 was as follows:

   
Carrying
Value
  
Estimated
Fair Value
 
   
(in thousands)
 
        
Long-term debt
 $74,263  $74,274