Pension Information (Tables)

6 Months Ended

Jun. 30, 2018

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension Benefit

Net periodic pension benefit was as follows:

	Three months ended						Six Months Ended
	June 30,						June 30,
	2018			2017			2018			2017
Service cost	$	—		$	—		$	—		$	—
Interest cost		125			171			250			338
Expected return on plan assets		(273	)		(283	)		(546	)		(561	)
Other components		143			426			286			520
Net periodic pension benefit	$	(5	)	$	314		$	(10	)	$	297