Defined Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2022

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

Schedule of Costs of Retirement Plans

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

	Pension Plans
	Three months ended September 30,				Nine months ended September 30,
	2022		2021		2022		2021
Service costs	$	170	$	330	$	530	$	980
Interest costs	230		200		690		600
Expected return on plan assets	(430)		(380)		(1,260)		(1,160)
Settlement/curtailment loss	—		—		150		—
Amortization of net loss	140		220		430		680
Net periodic benefit cost	$	110	$	370	$	540	$	1,100