Defined Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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 March 31,
	2022		2021
Service costs	$	200	$	330
Interest costs	230		200
Expected return on plan assets	(410)		(390)
Settlement/curtailment loss	150		—
Amortization of net loss	140		230
Net periodic benefit cost	$	310	$	370