Post-retirement Plan (Tables)

9 Months Ended

Sep. 30, 2015

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 September 30,						Nine Months Ended September 30,
	2015			2014			2015			2014
	(In thousands)
Service cost – benefit earned during the period	$	424		$	224		$	1,272		$	672
Interest cost on projected benefit obligations	205			159			615			478
Amortization of prior service credit	(871		)	(1,074		)	(2,613		)	(3,222		)
Amortization of net loss	46			—			138			—
Net periodic post-retirement credit	$	(196	)	$	(691	)	$	(588	)	$	(2,072	)