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Pension Plans (Tables)
3 Months Ended
Mar. 31, 2017
Compensation And Retirement Disclosure [Abstract]  
Components of Net Periodic Benefit Cost

Net periodic benefit cost for this plan included the following components:

 

 

 

Three Months Ended March 31,

 

 

 

2017

 

 

2016

 

Service cost

 

$

56

 

 

$

55

 

Interest cost

 

 

365

 

 

 

365

 

Expected return on plan assets

 

 

(475

)

 

 

(450

)

Recognized net actuarial loss

 

 

116

 

 

 

123

 

Net periodic benefit cost

 

$

62

 

 

$

93