Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2016

Pension Benefits

Employee Benefit Plans [Line Items]

Schedule of Defined Benefit Plans Disclosures

The following are components of the net periodic benefit cost for the pension and post-retirement benefit plans maintained by the Company for the three and nine months ended September 30, 2016 and 2015:

	Pension Benefits
(in thousands)	Three months ended September 30,				Nine months ended September 30,
	2016		2015		2016		2015
Service cost	$	—	$	59	$	—	$	177
Interest cost	49		45		145		136
Recognized net actuarial loss	36		379		109		1,137
Benefit cost	$	85	$	483	$	254	$	1,450

Postretirement Benefits

Employee Benefit Plans [Line Items]

Schedule of Defined Benefit Plans Disclosures

	Post-retirement Benefits
(in thousands)	Three months ended September 30,						Nine months ended September 30,
	2016			2015			2016			2015
Service cost	$	190		$	225		$	570		$	675
Interest cost	387			396			1,162			1,188
Amortization of prior service cost	(88		)	(136		)	(266		)	(408		)
Recognized net actuarial loss	192			379			576			1,138
Benefit cost	$	681		$	864		$	2,042		$	2,593