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Commitment and Contingencies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Cost and expenses related to bandwidth and other co-location commitments	$ 12.5	$ 8.8	$ 23.1	$ 17.1

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- Definition

Long-Term Purchase Commitment Costs And Expenses

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