Restructuring (Tables)

9 Months Ended

Sep. 30, 2017

Restructuring And Related Activities [Abstract]

Summary of Net Restructuring Charges Within Consolidated Statement of Operation

During the three and nine months ended September 30, 2017, we recorded the following net restructuring charges within our consolidated statements of operations (in thousands):

	Three Months Ended					Nine Months Ended
	September 30,					September 30,
	2017		2016			2017		2016
Research and development	$	867	$	—		$	1,200	$	124
General and administrative		128		(49	)		373		2,005
Total restructuring charges	$	995	$	(49	)	$	1,573	$	2,129

Summary of Significant Restructuring Plan Activity Related To Employees And Other Charges

Significant restructuring activities related to the Company's employees and other charges, summarized by plan, are presented in the table below (in thousands):

	Q3 2017			Q2 2017			Q2 2015
	Restructuring Plan			Restructuring Plan			Restructuring Plan
Restructuring liability –  December 31, 2016	$	—		$	—		$	19,388
Restructuring expense and adjustments		845			1,301			(560	)
Cash payments		(838	)		(1,177	)		(3,890	)
Restructuring liability – September 30, 2017	$	7		$	124		$	14,938
Cumulative costs to date, as of September 30, 2017	$	845		$	1,301		$	34,215
Total costs expected to be incurred, as of September 30, 2017	$	1,011		$	1,436		$	34,215