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Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2012
Discontinued Operations [Abstract]  
Assets and liabilities held for sale
Assets and liabilities held for sale consisted of the following (in thousands):

   
December 31,
 
   
2012
  
2011
 
Assets:
      
Property, plant and equipment, net
 $203  $2,424 
Other assets
  -   373 
Assets held for sale
 $203  $2,797 
          
Liabilities:
        
Other liabilities
 $-  $267 

Discontinued operations
Discontinued operations included the following amounts of operating revenue and loss before income taxes:

   
Years Ended December 31,
 
   
2012
  
2011
  
2010
 
   
(in thousands)
 
           
Operating revenues
 $1,091  $10,516  $12,929 
Loss before income taxes
 $(496) $(904) $(1,179)