Supplemental Financial Statement Information - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 25.6	$ 14.2	$ 7.9
Computer equipment
Property, Plant and Equipment [Line Items]
Networking equipment under finance lease	$ 63.6	$ 21.0