Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost for pension and postretirement plans

The components of net periodic benefit cost for the pension plans are as follows:

	Pension Benefits
	Three Months Ended   March 31,
	2016			2015
	(in thousands)
Service cost	$	52		$	44
Interest cost	246			237
Expected return on plan assets	(284		)	(320		)
Amortization of net actuarial loss/prior service cost	206			202
Net periodic cost recognized	$	220		$	163