Restructuring Charges (Tables)

9 Months Ended

Sep. 30, 2017

Restructuring And Related Activities [Abstract]

Schedule of Accrued Liabilities for Severance and Related Expenses and Payments

The following table presents accrued liabilities for severance and related expenses and payments (in thousands) as of September 30, 2017.

	As of							As of
	December 31, 2016		Charge		CashPayments			September 30, 2017
Severance and related expenses	$	—	$	1,351	$	(1,322	)	$	29