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Pension Benefit Plan (Tables)
3 Months Ended
Mar. 31, 2019
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, 2019 and 2018:

 

 

 

Three Months Ended

 

 

 

March 31,

 

(In thousands)

 

2019

 

 

2018

 

Service cost

 

$

375

 

 

$

308

 

Interest cost

 

 

162

 

 

 

187

 

Expected return on plan assets

 

 

(355

)

 

 

(399

)

Amortization of actuarial losses

 

 

203

 

 

 

64

 

Net periodic pension cost

 

$

385

 

 

$

160