Goodwill and Intangible Assets, Net - Intangible Assets, Net by Major Class (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Finite-lived intangible assets
Gross carrying amount	$ 122,687	$ 122,687
Accumulated amortization	39,768	4,954
Net carrying amount	$ 82,919	$ 117,733
Developed technology and patents
Finite-lived intangible assets
Weighted-average remaining useful life	1 year 7 months 6 days	2 years 7 months 6 days
Gross carrying amount	$ 42,887	$ 42,887
Accumulated amortization	26,309	3,924
Net carrying amount	$ 16,578	$ 38,963
Contractual relationship – cities and user relationships
Finite-lived intangible assets
Weighted-average remaining useful life	7 years 8 months 12 days	8 years 8 months 12 days
Gross carrying amount	$ 79,800	$ 79,800
Accumulated amortization	13,459	1,030
Net carrying amount	$ 66,341	$ 78,770