Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2017

Segment Reporting [Abstract]

Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas

The following table summarizes information about geographic areas (in thousands):

	United States		Europe		Greater China		Other		Total
Year Ended December 31, 2017
Revenue	$	179,914	$	323,879	$	103,406	$	140,751	$	747,950
Long-lived assets	53,983		22,437		1,594		2,525		$	80,539
Year Ended December 31, 2016
Revenue	$	136,611	$	231,731	$	63,471	$	88,940	$	520,753
Long-lived assets	40,404		12,981		994		1,932		$	56,311
Year Ended December 31, 2015
Revenue	$	119,781	$	199,127	$	54,137	$	77,512	$	450,557
Long-lived assets	40,742		12,498		873		1,781		$	55,894