Acquisition of Whendu LLC (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended	12 Months Ended
	Nov. 30, 2019	Mar. 31, 2020	Dec. 31, 2019
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful lives		3 years 7 months 6 days	3 years 9 months 18 days
Whendu
Finite-Lived Intangible Assets [Line Items]
Purchase price including transaction costs	$ 15,900
Developed technology
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful lives		3 years 7 months 6 days	3 years 10 months 24 days
Developed technology | Whendu
Finite-Lived Intangible Assets [Line Items]
Purchase price including transaction costs	$ 15,400
Intangible asset useful lives	4 years
Acquired workforce
Finite-Lived Intangible Assets [Line Items]
Intangible asset useful lives		2 years 8 months 12 days	2 years 10 months 24 days
Acquired workforce | Whendu
Finite-Lived Intangible Assets [Line Items]
Purchase price including transaction costs	$ 500
Intangible asset useful lives	3 years