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10. Employee Benefits (Tables)
6 Months Ended
Jun. 30, 2013
Employee Benefits Tables  
Net periodic cost (benefit)
    Three Months Ended     Six Months Ended  
    June 30,     June 30,  
    2013     2012     2013     2012  
    (In thousands)     (In thousands)  
Components of net periodic cost (benefit)                        
Service cost   $     $     $     $  
Interest Cost     210       220       420       440  
Expected return on assets     (335 )     (234 )     (670 )     (468 )
Amortization of transition (asset)/obligation                        
Amortization of net (gain) / loss     117       157       234       314  
Net periodic cost (benefit)   $ (8 )   $ 143     $ (16 )   $ 286