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10. Employee Benefits (Tables)
3 Months Ended
Mar. 31, 2013
Employee Benefits Tables  
Net periodic cost (benefit)
   Three Months Ended 
   March 31, 
   2013   2012 
   (In thousands) 
Components of net periodic cost (benefit)        
Service cost  $   $ 
Interest Cost  210    220 
Expected return on assets  (335)   (234)
Amortization of transition (asset)/obligation       
Amortization of net (gain) / loss  117    157 
Net periodic cost (benefit)  $(8)  $143