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

The following table summarizes the components of net periodic pension cost for the three months ended March 31, 2017 and 2016:

 

 

 

Three Months Ended

 

 

 

March 31,

 

(In thousands)

 

2017

 

 

2016

 

Service cost

 

$

297

 

 

$

297

 

Interest cost

 

 

143

 

 

 

176

 

Expected return on plan assets

 

 

(299

)

 

 

(259

)

Amortization of actuarial losses

 

 

73

 

 

 

43

 

Net periodic pension cost

 

$

214

 

 

$

257