Components of Net Periodic Benefit Cost (Tables)

3 Months Ended

Mar. 31, 2023

Components of Net Periodic Benefit Cost

Schedule of Net Periodic Benefit Costs

	Three Months Ended March 31,
					Post-Retirement
	Pension Benefits				Health Benefits
(Dollar amounts in thousands)	2023		2022		2023		2022
Service cost	$	157	$	297	$	5	$	8
Interest cost		956		706		38		28
Expected return on plan assets		(970)		(1,227)		—		—
Net amortization of prior service cost		—		—		—		—
Net amortization of net (gain) loss		188		315		(13)		—
Net Periodic Benefit Cost	$	331	$	91	$	30	$	36