XML 62 R35.htm IDEA: XBRL DOCUMENT v3.19.3
Pension Plan (Tables)
9 Months Ended
Sep. 30, 2019
Retirement Benefits [Abstract]  
Schedule of net benefit cost

Net periodic pension cost consists of the following: 

Three Months Ended September 30,
 
Nine Months Ended September 30,
 
2019
 
2018
 
2019
 
2018
Service cost
$
253

 
$
169

 
$
759

 
$
506


 
 


 
 
 


Interest cost on projected benefit obligation
782

 
701

 
2,346

 
2,104


 
 


 
 
 


Expected return on plan assets
(1,181
)
 
(1,354
)
 
(3,543
)
 
(4,063
)

 
 


 
 
 


Net amortization and deferral
720

 
672

 
2,160

 
2,017


 
 


 
 
 


Net periodic pension cost
$
574

 
$
188

 
$
1,722

 
$
564