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Net Periodic Pension Cost (Tables)
9 Months Ended
Sep. 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     Nine Months Ended  
    September 30,     September 30,  
    2012     2011     2012     2011  
Interest cost   $ 141     $ 152     $ 422     $ 457  
Amortization of net loss     120       72       362       215  
Expected return on plan assets     (146 )     (148 )     (438 )     (443 )
Net periodic pension cost   $ 115     $ 76     $ 346     $ 229