Components of Net Periodic Benefit Cost (Tables)

6 Months Ended

Jun. 30, 2023

Components of Net Periodic Benefit Cost

Schedule of Net Periodic Benefit Costs

	Three Months Ended June 30,								Six Months Ended June 30,
					Post-Retirement								Post-Retirement
	Pension Benefits				Health Benefits				Pension Benefits				Health Benefits
(Dollar amounts in thousands)	2023		2022		2023		2022		2023		2022		2023		2022
Service cost	$	157	$	298	$	5	$	9	$	314	$	595	$	10	$	17
Interest cost		956		707		39		27		1,912		1,413		77		55
Expected return on plan assets		(969)		(1,228)		—		—		(1,939)		(2,455)		—		—
Net amortization of prior service cost		—		—		—		—		—		—		—		—
Net amortization of net (gain) loss		188		314		(13)		—		376		629		(26)		—
Net Periodic Benefit Cost	$	332	$	91	$	31	$	36	$	663	$	182	$	61	$	72