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Employee Benefit Plans (Tables)
9 Months Ended
Sep. 30, 2012
Employee Benefit Plans  
Components of net periodic benefit costs
The following sets forth the components of net periodic benefit costs of the Pension Plan for the three and nine months ended September 30, 2012 and 2011, respectively (in thousands):

 
Three Months Ended
Nine Months Ended
 
September 30,
September 30,
 
2012
2011
2012
2011
Service cost
$ 82
$ 71
$ 249
$ 256
Interest cost
85
88
259
314
Expected return on plan assets
(139)
(129)
(425)
(465)
Net amortization and deferral
34
10
102
36
         
Net periodic benefit cost
$ 62
$ 40
$ 185
$ 141