XML 75 R34.htm IDEA: XBRL DOCUMENT v3.19.3
Employee Benefit Plans (Tables)
 9 Months Ended
Sep. 30, 2019
Retirement Benefits [Abstract]  
Schedule of Defined Benefit Plans Disclosures

The net periodic pension cost for the Corporation’s Defined Benefit Pension Plan ("Pension Plan") consisted of the following components:
 
Three months ended September 30
 
Nine months ended September 30
 
2019
 
2018
 
2019
 
2018
 
        (in thousands)
Interest cost
$
813

 
$
763

 
$
2,443

 
$
2,290

Expected return on plan assets
(688
)
 
(512
)
 
(2,066
)
 
(1,536
)
Net amortization and deferral
496

 
607

 
1,486

 
1,822

Net periodic pension cost
$
621

 
$
858

 
$
1,863

 
$
2,576










The components of the net benefit for the Corporation’s Postretirement Benefits Plan ("Postretirement Plan") consisted of the following components:
 
Three months ended September 30
 
Nine months ended September 30
 
2019
 
2018
 
2019
 
2018
 
        (in thousands)
Interest cost
$
15

 
$
13

 
$
45

 
$
42

Net accretion and deferral
(139
)
 
(139
)
 
(417
)
 
(419
)
Net periodic benefit
$
(124
)
 
$
(126
)
 
$
(372
)
 
$
(377
)