Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

Pension Costs

Defined Benefit Plan Disclosure [Line Items]

Schedule Of Benefit Plans

The components of our consolidated net pension costs are set forth in the following table:

	For the Three Months Ended March 31, 2016			For the Three Months Ended March 31, 2017
	(Dollars in thousands)
Service cost	$	508		$	496
Interest cost	1,498			1,385
Expected return on plan assets	(1,310		)	(1,389		)
Net cost	$	696		$	492

Postretirement Costs

Defined Benefit Plan Disclosure [Line Items]

Schedule Of Benefit Plans

he components of our consolidated net postretirement costs are set forth in the following table: 

	For the Three Months Ended March 31, 2016		For the Three Months Ended March 31, 2017
	(Dollars in thousands)
Service cost	$	1	$	1
Interest cost	272		241
Net cost	$	273	$	242