Segment and Geographic Information (Tables)

12 Months Ended

Dec. 31, 2018

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, 2018
Revenue	$	231,760	$	307,965	$	126,109	$	140,504	$	806,338
Long-lived assets	67,156		23,948		1,482		2,735		$	95,321
Year Ended December 31, 2017
Revenue	$	180,248	$	328,826	$	108,738	$	148,271	$	766,083
Long-lived assets	53,983		22,437		1,594		2,525		$	80,539
Year Ended December 31, 2016
Revenue	$	142,380	$	230,311	$	66,179	$	90,645	$	529,515
Long-lived assets	40,404		12,981		994		1,932		$	56,311