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Employee Retirement Plans (Tables)
6 Months Ended
Jun. 30, 2023
Employee Retirement Plans  
Schedule of company's pension expense

Three Months Ended June 30, 

Six Months Ended June 30, 

    

2023

    

2022

    

2023

    

2022

(Dollars in thousands)

Service cost

$

116

$

111

$

234

$

223

Interest cost

 

644

 

445

 

1,316

 

877

Expected return on plan assets

 

(574)

 

(750)

 

(1,151)

 

(1,502)

Net amortization and deferral

 

114

230

 

248

 

438

Pension expense

$

300

$

36

$

647

$

36