Post-retirement Plan (Tables)

3 Months Ended

Mar. 31, 2016

Pension and Other Postretirement Benefit Expense [Abstract]

Net Periodic Pension Expense

The net periodic benefit credit of this plan consisted of the following components:

	Three Months Ended March 31,
	2016			2015
	(In thousands)
Service cost – benefit earned during the period	$	324		$	424
Interest cost on projected benefit obligations	197			205
Amortization of prior service credit	(871		)	(871		)
Amortization of net loss	—			46
Net periodic post-retirement credit	$	(350	)	$	(196	)