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Pension (Tables)
 3 Months Ended
Mar. 31, 2016
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)
2016
2015
Service cost - benefits earned during the period
$
133

$
126

Interest cost on projected benefit obligation
967

1,216

Expected return on plan assets
(1,437
)
(1,523
)
Amortization of prior service cost
(68
)
—

Amortization of unrecognized net loss
651

655

Net periodic pension cost
$
246

$
474