Defined Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2020

Defined Benefit Plan [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,
	2020			2019
Service costs	$	320		$	260
Interest costs	240			270
Expected return on plan assets	(370		)	(350		)
Amortization of net loss	220			140
Net periodic benefit cost	$	410		$	320