Restructuring and Excess Facilities (Tables)

12 Months Ended

Dec. 31, 2019

Restructuring Cost and Reserve [Line Items]

Restructuring and Related Costs [Table Text Block]

The following table summarizes the restructuring and related charges (in thousands):

	Year ended December 31,
Restructuring and related charges in:	2019		2018		2017
Cost of revenue	$	1,391	$	857	$	1,279
Operating expenses - Restructuring and related charges	3,141		2,918		5,307
Total restructuring and related charges	$	4,532	$	3,775	$	6,586

Schedule of Restructuring Reserve by Type of Cost [Table Text Block]

The following table summarizes the activities related to the Company’s restructuring plans during the fiscal year ended December 31, 2019 (in thousands):

	Excess facilities			Severance and Benefits			French VDP			Others			Total
Balance at December 31, 2018	$	2,926		$	—		$	2,409		$	—		$	5,335
Charges for current period	—			4,102			50			380			4,532
Adjustments to restructuring provisions and others	(334		)	11			(28		)	—			(351		)
Cash payments	(1,872		)	(819		)	(1,625		)	(350		)	(4,666		)
Balance at December 31, 2019	$	720		$	3,294		$	806		$	30		$	4,850