Employee Benefits (Tables)

9 Months Ended

Sep. 30, 2019

Retirement Benefits [Abstract]

Schedule of Components of Net Periodic Pension Cost and Other Changes in Plan Assets and Benefit

The following table summarizes the components of net periodic pension cost for the periods presented:

	Three Months Ended September 30,								Nine Months Ended September 30,
(dollars in thousands)	2019				2018				2019				2018
Components of Net Periodic Pension Cost
Interest cost on projected benefit obligation		$	989			$	978			$	2,967			$	2,912
Expected return on plan assets		(1,181		)		(1,566		)		(3,541		)		(4,700		)
Net amortization		395				512				1,184				1,601
Net Periodic Pension Expense		$	203			$	(76	)		$	610			$	(187	)