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Pension
 6 Months Ended
Jun. 30, 2019
Pension [Abstract]  
Pension Pension
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



All benefits accrued under the Company’s defined benefit pension plan have been frozen since January 1, 2011. During the first six months of 2019, the Company made no funding contributions to its defined benefit pension plan and made minimal funding contributions to a supplemental executive retirement plan (the CERP), which carries no segregated assets.