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10. Employee Benefits (Tables)
9 Months Ended
Sep. 30, 2013
Employee Benefits Tables  
Net periodic cost (benefit)

   Three Months Ended   Nine Months Ended 
   September 30,   September 30, 
   2013   2012   2013   2012 
   (In thousands)   (In thousands) 
Components of net periodic cost (benefit)                
Service cost  $   $   $   $ 
Interest cost   210    220    630    660 
Expected return on assets   (335)   (234)   (1,005)   (702)
Amortization of transition (asset)/obligation                
Amortization of net (gain) / loss   117    157    351    471 
Net periodic cost (benefit)  $(8)  $143   $(24)  $429