Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

Pension

Employee Benefit Plans

Schedule of components of benefit costs (income)

The following provides the components of benefit costs (income) for the three months ended March, 2017 and 2016 (dollars in thousands):

Pension

	Three Months Ended
	March 31,
	2017		2016
Interest cost	$	1,781	$	1,996
Expected asset return		(2,656)		(2,678)
Amortization of loss		124		129
Net periodic benefit income		(751)		(553)
Settlement loss		1,956		—
Total benefit (income) expense	$	1,205	$	(553)

Other Postretirement Benefits

Employee Benefit Plans

Schedule of components of benefit costs (income)

Other Postretirement Benefits

	Three Months Ended
	March 31,
	2017		2016
Service cost	$	254	$	259
Interest cost		596		655
Amortization of (gain) loss		(38)		119
Total benefit expense	$	812	$	1,033