Segment Information and Information about Geographic Area - Property and Equipment, net (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2020 USD ($) segment	Dec. 31, 2019 USD ($)
Segment Reporting Information [Line Items]
Number of operating segments (in segment) | segment	1
Property and equipment, net	$ 61,665	$ 60,579
United States
Segment Reporting Information [Line Items]
Property and equipment, net	44,614	46,100
Other
Segment Reporting Information [Line Items]
Property and equipment, net	5,693	5,258
india [Member]
Segment Reporting Information [Line Items]
Property and equipment, net	$ 11,358	$ 9,221