Restructuring (Tables)

6 Months Ended

Jun. 30, 2018

Restructuring And Related Activities [Abstract]

Summary of Restructuring Activity

The table below summarizes restructuring activity for the six months ended June 30, 2018:

	Employee Reduction			Accelerated Depreciation			Other Exit Costs			Total
Balance at January 1, 2018	$	1,098		$	—		$	90		$	1,188
Charges to expense		31			16			72			119
Cash payments		(893	)		—			(162	)		(1,055	)
Non-cash utilization		—			(16	)		—			(16	)
Balance at June 30, 2018	$	236		$	—		$	—		$	236