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Commitment and Contingencies - Narrative (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Commitments and Contingencies Disclosure [Abstract]      
Cost and expenses related to bandwidth and other co-location commitments $ 51.4 $ 37.0 $ 27.5