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Employee Retirement Plans (Tables)
3 Months Ended
Mar. 31, 2021
Employee Retirement Plans  
Schedule of Company's net periodic pension cost

The components of the Company’s pension expense were as follows:

Three Months Ended March 31, 

    

2021

    

2020

(Dollars in thousands)

Service cost

$

102

$

115

Interest cost

 

371

 

500

Expected return on plan assets

 

(720)

 

(690)

Net amortization and deferral

 

247

186

Pension expense

$

$

111