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Retirement Plans (Tables)
3 Months Ended
Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]  
Net periodic pension cost
Net periodic pension cost are as follows:
 
Three Months Ended
March 31,
 
 
2015
 
2014
 
Interest cost
$
68

 
$
70

 
Expected return on assets
(83
)
 
(93
)
 
Amortization of actuarial net loss
22

 
11

 
Net periodic pension (benefit) cost
$
7

 
$
(12
)
 
Company contributions
$
78

 
$
80