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Retirement Plans (Tables)
 9 Months Ended
Sep. 30, 2014
Compensation and Retirement Disclosure [Abstract]  
Net periodic pension cost
Net periodic pension cost are as follows:
 
Three Months Ended
September 30,
 
Nine Months Ended
September 30,
 
2014
 
2013
 
2014
 
2013
Interest cost
$
70

 
$
64

 
$
210

 
$
194

Expected return on assets
(93
)
 
(84
)
 
(278
)
 
(250
)
Amortization of actuarial net loss
11

 
28

 
34

 
84

Net periodic pension (benefit) cost
$
(12
)
 
$
8

 
$
(34
)
 
$
28

Company contributions
$
84

 
$
81

 
$
237

 
$
284