Geographic Information and Major Customer and Product Data - Revenues Within Geographical Areas (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2020	Mar. 31, 2019
Segment Reporting Information [Line Items]
Revenue		$ 54,176	$ 56,360
North America
Segment Reporting Information [Line Items]
Revenue		37,874	37,849
EMEA
Segment Reporting Information [Line Items]
Revenue	[1]	14,611	16,400
Rest of World
Segment Reporting Information [Line Items]
Revenue		$ 1,691	$ 2,111

[1] Sales to customers in France accounted for $5,520 and $6,241 of the Company’s revenues for the three months ended March 31, 2020 and 2019, respectively.