Employee Retirement Plans (Tables)

3 Months Ended

Mar. 31, 2023

Employee Retirement Plans

Schedule of company's pension expense

	Three Months Ended March 31,
	2023		2022
	(Dollars in thousands)
Service cost	$	118	$	112
Interest cost		672		432
Expected return on plan assets		(577)		(752)
Net amortization and deferral		134		208
Pension expense	$	347	$	—