Balance Sheet Components - Intangible Assets, Net (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items]
Gross Value	$ 19,658	$ 5,758
Accumulated Amortization	(3,189)	(604)
Net Book Value	16,469	5,154
Customer relationships
Finite-Lived Intangible Assets [Line Items]
Gross Value	8,190	3,890
Accumulated Amortization	(1,227)	(266)
Net Book Value	6,963	3,624
Developed technology
Finite-Lived Intangible Assets [Line Items]
Gross Value	11,020	1,820
Accumulated Amortization	(1,848)	(329)
Net Book Value	9,172	1,491
Trade name
Finite-Lived Intangible Assets [Line Items]
Gross Value	448	48
Accumulated Amortization	(114)	(9)
Net Book Value	$ 334	$ 39
Weighted Average | Customer relationships
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Useful Life	7 years 1 month 6 days	9 years 3 months 18 days
Weighted Average | Developed technology
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Useful Life	5 years 8 months 12 days	4 years 3 months 18 days
Weighted Average | Trade name
Finite-Lived Intangible Assets [Line Items]
Weighted- Average Remaining Useful Life	4 years	1 year 4 months 24 days