Defined Benefit Plan (Tables)

3 Months Ended

Mar. 31, 2015

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

Schedule of components of net periodic pension income

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

	Three Months Ended
	March 31,
	2015			2014
Service cost	$	242		$	217
Interest cost	84			178
Expected return on plan assets	(392		)	(457		)
Prior service cost amortization	35			36
Deferred loss amortization	11			—
Net periodic pension cost (benefit)	$	(20	)	$	(26	)