Commitment and Contingencies - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Commitments and Contingencies Disclosure [Abstract]
Cost and expenses related to bandwidth and other co-location commitments	$ 13.5	$ 9.7	$ 36.6	$ 26.8