Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 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 months ended March 31, 2016 and 2015:

	Pension Benefits
(in thousands)	Three months ended March 31,
	2016		2015
Service cost	$	—	$	55
Interest cost	48		1,209
Expected return on plan assets	—		(1,561		)
Recognized net actuarial loss	36		370
Benefit cost	$	84	$	73

Postretirement Benefits

Employee Benefit Plans [Line Items]

Schedule of Defined Benefit Plans Disclosures

	Post-retirement Benefits
(in thousands)	Three months ended March 31,
	2016			2015
Service cost	$	213		$	240
Interest cost	405			406
Amortization of prior service cost	(89		)	(136		)
Recognized net actuarial loss	235			392
Benefit cost	$	764		$	902