Pension Information (Tables)

9 Months Ended

Sep. 30, 2017

Compensation And Retirement Disclosure [Abstract]

Components of Net Periodic Pension Benefit

Net periodic pension benefit was as follows:

	Three months ended						Nine months ended
	September 30,						September 30,
	2017			2016			2017			2016
Service cost	$	—		$	—		$	—		$	—
Interest cost		171			170			509			509
Expected return on plan assets		(283	)		(274	)		(844	)		(821	)
Other components		426			83			946			249
Net periodic pension benefit	$	314		$	(21	)	$	611		$	(63	)