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Pension Information (Tables)
3 Months Ended
Mar. 31, 2016
Compensation and Retirement Disclosure [Abstract]  
Components of Net Periodic Pension Expense (Benefit)

Net periodic pension expense (benefit) was as follows:

 

     Three months ended
March 31,
 
     2016      2015  

Service cost

   $ —         $ —     

Interest cost

     170         156   

Expected return on plan assets

     (274      (283

Other components

     83         70   
  

 

 

    

 

 

 

Net periodic pension cost (benefit)

   $ (21    $ (57