Defined Benefit Plan (Tables)

9 Months Ended

Sep. 30, 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 are as follows (in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2015			2014			2015			2014
Service cost	$	239		$	211		$	726		$	645
Interest cost	83			174			251			532
Expected return on plan assets	(386		)	(446		)	(1,175		)	(1,361		)
Prior service cost amortization	34			35			105			107
Deferred loss amortization	11			—			33			—
Net periodic pension benefit	$	(19	)	$	(26	)	$	(60	)	$	(77	)