Post-retirement Plan (Tables)

6 Months Ended

Jun. 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 June 30,						Six Months Ended June 30,
	2015			2014			2015			2014
	(In thousands)
Service cost – benefit earned during the period	$	424		$	224		$	848		$	448
Interest cost on projected benefit obligations	205			160			410			319
Amortization of prior service credit	(871		)	(1,074		)	(1,742		)	(2,148		)
Amortization of net loss	46			—			92			—
Net periodic post-retirement credit	$	(196	)	$	(690	)	$	(392	)	$	(1,381	)