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Benefit Plans (Tables)
6 Months Ended
Jun. 30, 2015
Compensation and Retirement Disclosure [Abstract]  
Components of Net Periodic Benefit Cost

Components of the net periodic benefit cost of the plan for the three and six months ended June 30, 2015 and 2014 were as follows (in thousands):

 

     For the three months
ended June 30,
     For the six months
ended June 30,
 
     2015      2014      2015      2014  

Service cost

   $ 112       $ 87       $ 223       $ 174   

Interest cost

     75         67         151         134   

Expected return on plan assets

     (78      (79      (157      (158

Amortization of net loss

     21         —           43         —     
  

 

 

    

 

 

    

 

 

    

 

 

 

Net periodic benefit cost

   $ 130       $ 75       $ 260       $ 150