Defined Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2019

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 September 30,						Nine months ended September 30,
	2019			2018			2019			2018
Service costs	$	270		$	270		$	790		$	850
Interest costs	260			260			800			850
Expected return on plan assets	(350		)	(340		)	(1,050		)	(1,190		)
Settlement/curtailment loss	—			—			—			2,500
Amortization of net loss	140			180			430			670
Net periodic benefit cost	$	320		$	370		$	970		$	3,680