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Net Periodic Pension Cost (Tables)
6 Months Ended
Jun. 30, 2012
Compensation and Retirement Disclosure [Abstract]  
Schedule of Net Benefit Costs [Table Text Block]

The following table details the net periodic pension cost incurred by period (in thousands):

 

    Three Months Ended     Six Months Ended  
    June 30,     June 30,  
    2012     2011     2012     2011  
Interest cost   $ 141     $ 153     $ 282     $ 305  
Amortization of net loss     121       71       241       143  
Expected return on plan assets     (146 )     (147 )     (292 )     (295 )
Net periodic pension cost   $ 116     $ 77     $ 231     $ 153