Defined Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2023

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Schedule of Costs of Retirement Plans

The components of net periodic pension cost (income) are as follows (dollars in thousands):

	Three months ended September 30,				Nine months ended September 30,
	2023		2022		2023		2022
Service costs	$	120	$	170	$	360	$	530
Interest costs	320		230		950		690
Expected return on plan assets	(530)		(430)		(1,580)		(1,260)
Settlement and curtailment losses	—		—		1,020		150
Amortization of net loss	20		140		90		430
Net periodic benefit cost (income)	$	(70)	$	110	$	840	$	540