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Employee Benefit Plans (Tables)
6 Months Ended
Jun. 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 six months ended June 30, 2012 and 2011, respectively (in thousands):

 
Three Months Ended
 
 
Six Months Ended
 
 
June 30,
 
 
June 30,
 
 
2012
 
 
2011
 
 
2012
 
 
2011
 
Service cost
 
$
54
 
 
$
71
 
 
$
167
 
 
$
185
 
Interest cost
 
 
35
 
 
 
87
 
 
 
174
 
 
 
226
 
Expected return on plan assets
 
 
(80
)
 
 
(130
)
 
 
(286
)
 
 
(336
)
Net amortization and deferral
 
 
52
 
 
 
10
 
 
 
68
 
 
 
26
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Net periodic benefit cost
 
$
61
 
 
$
38
 
 
$
123
 
 
$
101