Restructuring (Tables)

9 Months Ended

Sep. 30, 2018

Restructuring And Related Activities [Abstract]

Accrued Restructuring Obligations and Related Activity

The following table details accrued restructuring obligations (included in accrued liabilities in the Condensed Consolidated Balance Sheets) and related activity for the fiscal year ended December 31, 2017 and the nine-month period ended September 30, 2018:

	Severance and Benefits			Lease Abandonment Costs			Other Costs			Total
	(In thousands)
Accrued obligations as of January 1, 2017	$	395		$	368		$	—		$	763
Restructuring expense		931			900			1,055			2,886
Settlement of obligations		(787	)		(1,086	)		(1,019	)		(2,892	)
Accrued obligations as of December 31, 2017		539			182			36			757
Restructuring expense		948			125			233			1,306
Settlement of obligations		(1,353	)		(247	)		(261	)		(1,861	)
Accrued obligations as of September 30, 2018	$	134		$	60		$	8		$	202

Restructuring Expenses

The following amounts are included in restructuring expenses for the periods indicated:

	Three Months Ended September 30,				Nine Months Ended September 30,
	2018		2017		2018		2017
	(In thousands)
Severance and benefits	$	—	$	277	$	948	$	277
Lease abandonment costs		—		105		125		810
Other costs		—		243		233		975
Restructuring expenses	$	—	$	625	$	1,306	$	2,062