Employee Benefit Plans

3 Months Ended

Mar. 31, 2018

Retirement Benefits [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The following are components of the net periodic benefit cost for the pension and postretirement benefit plans maintained by the Company for the three months ended March 31, 2018 and 2017:

	Pension Benefits
(in thousands)	Three months ended March 31,
	2018		2017
Interest cost	$	33	$	39
Recognized net actuarial loss	61		63
Benefit cost	$	94	$	102

	Postretirement Benefits
(in thousands)	Three months ended March 31,
	2018			2017
Service cost	$	87		$	123
Interest cost	187			300
Amortization of prior service cost	(228		)	—
Benefit cost	$	46		$	423