Pension Plans and Postretirement Benefit Plan (Tables)

3 Months Ended

Mar. 31, 2020

Retirement Benefits [Abstract]

Schedule of components of net periodic benefit cost

Components of net periodic benefit cost for the Company’s pension plans and the postretirement benefit plan are presented in the following table for the three months ended March 31, 2020, and March 31, 2019.

	Pension Benefits						Postretirement Benefits
(dollars in thousands)	2020			2019			2020			2019
Three Months Ended March 31,
Service Cost	$	—		$	—		$	151		$	118
Interest Cost	900			1,094			231			258
Expected Return on Plan Assets	(1,258		)	(1,249		)	—			—
Amortization of:
Prior Service Credit	—			—			(61		)	(72		)
Net Actuarial Losses (Gains)	570			484			—			(78		)
Net Periodic Benefit Cost	$	212		$	329		$	321		$	226