Defined Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2016

Defined Benefit Pension Plans and Defined Benefit Postretirement Plans Disclosure [Abstract]

Schedule of components of net periodic pension cost (benefit)

Components of net periodic pension cost (benefit) are as follows (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Service cost	$	295		$	239		$	883		$	726
Interest cost	62			83			185			251
Expected return on plan assets	(296		)	(386		)	(885		)	(1,175		)
Prior service cost amortization	38			34			113			105
Deferred loss amortization	61			11			183			33
Net periodic pension cost (benefit)	$	160		$	(19	)	$	479		$	(60	)