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MARKETABLE EQUITY SECURITIES (Tables)
 6 Months Ended
Jun. 30, 2012
MARKETABLE EQUITY SECURITIES [Abstract]  
Schedule of market value and unrealized gain (loss) on equity securities classified as available for sale and equity securities classified as trading
The following table sets forth cost, market value and unrealized gain/(loss) on equity securities classified as available-for-sale and equity securities classified as trading as of June 30, 2012 and December 31, 2011.

   
June 30, 2012
  
December 31, 2011
 
   
(in thousands)
 
Available-for-sale securities
      
Fair market value
 $18,931  $20,123 
Cost
  11,337   12,539 
Unrealized gain
 $7,594  $7,584 
          
Trading securities
        
Fair market value
 $144  $141 
Cost
  157   157 
Unrealized loss
 $(13) $(16)
          
Total
        
Fair market value
 $19,075  $20,264 
Cost
  11,494   12,696 
Unrealized gain
 $7,581  $7,568 
          
Gross unrealized gains and losses on the entity's marketable securities that classified as available for sale
The following table sets forth the gross unrealized gains and losses on the Company's marketable securities that are classified as available-for-sale as of June 30, 2012 and December 31, 2011.

   
June 30, 2012
  
December 31, 2011
 
   
(in thousands)
 
Available-for-sale securities:
      
Gross unrealized gains
 $7,807  $7,866 
Gross unrealized losses
  (213)  (282)
Total unrealized gains
 $7,594  $7,584 
          
Schedule of recognized gain loss of trading securities
As of June 30, 2012, the Company's marketable securities that are classified as trading had gross recognized losses of approximately $13,000 and no gross recognized gains. As of June 30, 2011, the Company's marketable securities that are classified as trading had gross recognized losses of approximately $4,000 and no gross recognized gains. The following table shows recognized gains (losses) in market value for securities classified as trading for the periods indicated.

   
Three Months Ended June 30,
  
Six Months Ended June 30,
 
   
2012
  
2011
  
2012
  
2011
 
   
(in thousands)
  
(in thousands)
 
Trading securities
            
Recognized gain (loss) at beginning of period
 $2  $16  $(16) $14 
Recognized loss at end of period
  (13)  (4)  (13)  (4)
Net recognized (loss) gain for the period
 $(15) $(20) $3  $(18)
                  
Net recognized (loss) gain for the period, net of taxes
 $(9) $(12) $2  $(11)
                  
Schedule of realized gains of certain securities which were held as available-for sale
The following table shows the Company's realized gains for the periods indicated on certain securities which were held as available-for sale. The cost of securities sold is based on the specific identification method and interest and dividends on securities are included in non-operating income.

   
Three Months Ended June 30,
  
Six Months Ended June 30,
 
   
2012
  
2011
  
2012
  
2011
 
   
(in thousands)
  
(in thousands)
 
Realized gains
            
Sale proceeds
 $1,625  $-  $2,151  $966 
Cost of securities sold
  882   -   1,111   189 
Realized gains
 $743  $-  $1,040  $777 
                  
Realized gains, net of taxes
 $445  $-  $624  $489 
                  
Schedule of gross unrealized losses and fair value of securities
The following table shows the Company's investments' approximate gross unrealized losses and fair value of those securities in a loss position at June 30, 2012 and December 31, 2011. These investments consist of equity securities. As of June 30, 2012 and December 31, 2011 there were no investments that had been in a continuous unrealized loss position for twelve months or longer.

   
June 30, 2012
  
December 31, 2011
 
   
(in thousands)
 
   
Fair
Value
  
Unrealized
Losses
  
Fair
Value
  
Unrealized
Losses
 
Equity securities - Available-for-sale
 $2,339  $214  $2,914  $282 
Equity securities - Trading
  80   13   141   16 
Totals
 $2,419  $227  $3,055  $298