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Pension (Tables)
 3 Months Ended
Mar. 31, 2018
Pension [Abstract]  
Net Pension Cost
The amount of net pension cost is shown in the table below:
 
 
For the Three Months Ended March 31
(In thousands)
 
2018
2017
Service cost - benefits earned during the period
 
$
153

$
129

Interest cost on projected benefit obligation
 
950

973

Expected return on plan assets
 
(1,437
)
(1,438
)
Amortization of prior service cost
 
(68
)
(68
)
Amortization of unrecognized net loss
 
592

617

Net periodic pension cost
 
$
190

$
213