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Pension (Tables)
 6 Months Ended
Jun. 30, 2019
Pension [Abstract]  
Net Pension Cost
The amount of net pension cost is shown in the table below:
 
For the Three Months Ended June 30
 
For the Six Months Ended June 30
(In thousands)
2019
2018
 
2019
2018
Service cost - benefits earned during the period
$
159

$
152

 
$
318

$
305

Interest cost on projected benefit obligation
1,065

951

 
2,130

1,901

Expected return on plan assets
(1,197
)
(1,438
)
 
(2,393
)
(2,875
)
Amortization of prior service cost
(67
)
(67
)
 
(135
)
(135
)
Amortization of unrecognized net loss
585

592

 
1,171

1,184

Net periodic pension cost
$
545

$
190

 
$
1,091

$
380