Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Components of net periodic benefit cost for pension and postretirement plans

The components of net periodic benefit cost for the pension and postretirement plans are as follows:

	Pension Benefits
	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2014			2013			2014			2013
	(in thousands)
Service cost	$	56		$	49		$	170		$	148
Interest cost	243			221			728			662
Expected return on plan assets	(313		)	(279		)	(939		)	(836		)
Amortization of net actuarial loss/prior service cost	69			194			208			582
Net periodic cost recognized	$	55		$	185		$	167		$	556

	Postretirement Benefits
	Three Months Ended   September 30,						Nine Months Ended   September 30,
	2014			2013			2014			2013
	(in thousands)
Service cost	$	—		$	—		$	—		$	1
Interest cost	—			1			2			3
Amortization of net actuarial gain/prior service credit	(14		)	(117		)	(43		)	(351		)
Net periodic benefit recognized	$	(14	)	$	(116	)	$	(41	)	$	(347	)