Employee Pension Plans (Tables)

3 Months Ended

Mar. 31, 2018

Employee Pension Plans [Abstract]

Components of Net Periodic Benefit Cost

	Three Months Ended March 31,
(in thousands)	2018		2017
Interest cost	$	883	$	975
Expected return on plan assets		(1,077)		(1,088)
Amortization of net loss		513		456
Other		213		213
Net periodic benefit cost	$	532	$	556