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Pension Plan (Tables)
 3 Months Ended
Mar. 31, 2016
Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]  
Schedule of Pension Plan Expenses

The components of the expense the Company incurred under the pension plan are as follows (in thousands):

  

   Three Months Ended March 31,
   2016  2015
Current service cost, net of employee contributions  $11   $15 
Interest cost on accrued benefit obligation   24    27 
Expected return on plan assets   (39)   (41)
Amortization of transitional obligation   2    3 
Amortization of past service costs   2    2 
Amortization of net actuarial gain   8    10 
Total cost of benefit  $8   $16