Restructuring charges (Tables)

6 Months Ended

Jun. 30, 2018

Restructuring Cost and Reserve [Line Items]

Restructuring and Related Costs

Restructuring charges for each period were as follows:

	Six months ended June 30,
(in thousands)	2018		2017
Cost of revenue	$	1,242	$	418
Research and development	9,744		7,381
Sales and marketing	3,847		5,603
General and administrative	2,677		1,409
Total restructuring charges	$	17,510	$	14,811

Schedule of Restructuring Reserve by Type of Cost

The following table provides a summary of the Company’s restructuring activities for the six months ended June 30, 2018 and the related liabilities recorded in accrued liabilities on the condensed consolidated balance sheet.

(in thousands)	Severance			Other			Total
Restructuring liability as of December 31, 2017	$	—		$	—		$	—
Restructuring charges	12,243			2,983			15,226
Cash paid	(11,470		)	(835		)	(12,305		)
Non-cash reductions	(485		)	(1,136		)	(1,621		)
Restructuring liability as of June 30, 2018	$	288		$	1,012		$	1,300

The following table provides a summary of the Company’s restructuring activities for the six months ended June 30, 2018 and the related liabilities recorded in accrued liabilities on the condensed consolidated balance sheet.

(in thousands)	Severance			Other		Total
Restructuring liability as of December 31, 2017	$	400		$	50	$	450
Restructuring charges	147			—		147
Cash paid	(244		)	—		(244		)
Restructuring liability as of June 30, 2018	$	303		$	50	$	353

The following table provides a summary of the Company’s restructuring activities for the six months ended June 30, 2018 and the related liabilities recorded in accrued liabilities on the condensed consolidated balance sheet.

(in thousands)	Severance		Other			Total
Restructuring liability as of December 31, 2017	$	—	$	3,550		$	3,550
Restructuring charges	—		2,139			2,139
Cash paid	—		(1,638		)	(1,638		)
Non-cash charges	—		324			324
Restructuring liability as of June 30, 2018	$	—	$	4,375		$	4,375