Financial Statement Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property and equipment	$ 92,759		$ 87,217
Accumulated depreciation and amortization	(57,819)		(54,027)
Property and equipment, net	34,940		33,190
Depreciation expense	3,900	$ 3,100
Computer and network equipment
Property, Plant and Equipment [Line Items]
Computer and network equipment	72,025		67,378
Computer software
Property, Plant and Equipment [Line Items]
Property and equipment	14,902		14,157
Internal-use software development costs
Property, Plant and Equipment [Line Items]
Property and equipment	500		500
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	2,906		2,918
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 2,426		$ 2,264