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Commitment and Contingencies - Additional Information (Details) - USD ($)		3 Months Ended
	Mar. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	May 31, 2019	May 01, 2019	Jan. 31, 2019	Jan. 01, 2019	Nov. 01, 2018
Commitments And Contingencies
Letters of credit outstanding	$ 54,000,000.0	$ 54,000,000.0	$ 54,200,000
Web-Hosting Service Providers
Commitments And Contingencies
Payment for amended arrangement	270,400,000
Web-Hosting Service Providers | Minimum
Commitments And Contingencies
Contractual obligation							$ 300,000,000
Minimum amount due in next year						$ 80,000,000
Minimum amount due in second year						80,000,000
Minimum amount due in third year						$ 80,000,000
Bikeshare Program | Motivate
Commitments And Contingencies
Future obligation to purchase equipment								$ 100,000,000
Payments to acquire equipment under purchase obligations	64,100,000
Bikeshare Program | City Of Chicago
Commitments And Contingencies
Contractual obligation					$ 7,500,000
Payment for amended arrangement	$ 15,000,000.0
Future obligation to purchase equipment				$ 50,000,000
Payments to acquire equipment under purchase obligations		$ 20,000,000.0

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