Supplemental Financial Statement Information - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 230,508	$ 120,969
Less: Accumulated depreciation	(41,905)	(11,712)
Total property and equipment, net	188,603	109,257
Bike fleet
Property, Plant and Equipment [Line Items]
Property and equipment, gross	124,380	65,985
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	66,490	39,727
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment, gross	14,026	11,366
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	473	262
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 25,139	$ 3,629

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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