Defined Benefit Plan (Tables)

6 Months Ended

Jun. 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 June 30,						Six Months Ended June 30,
	2016			2015			2016			2015
Service cost	$	297		$	245		$	587		$	487
Interest cost	62			85			123			169
Expected return on plan assets	(298		)	(396		)	(589		)	(788		)
Prior service cost amortization	38			36			75			71
Deferred loss amortization	62			11			122			22
Net periodic pension cost (benefit)	$	161		$	(19	)	$	318		$	(39	)