Defined Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2017

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Cost (Credit)

The net periodic benefit cost (credit) related to our defined benefit plan includes the following components (in thousands):

	Three Months Ended September 30,						Nine Months Ended September 30,
	2017			2016			2017			2016
Components of net periodic benefit cost (credit):
Service cost	$	153		$	334		$	460		$	334
Interest cost	298			299			894			299
Expected return on plan assets	(297		)	(343		)	(892		)	(343		)
Net periodic benefit cost	$	154		$	290		$	462		$	290