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Goodwill and Intangible Assets - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 0.2	$ 0.2	$ 0.4	$ 0.4
Beam Fixed Wireless Network | Discontinued Operations, Held-for-sale
Finite-Lived Intangible Assets [Line Items]
Discontinued operation, indefinite-lived intangible assets	13.8		13.8
Discontinued operation, finite-lived intangible assets	6.0		6.0
Discontinued operation, finite-lived intangible assets, liabilities incurred	$ 3.8		$ 3.8

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- Definition

Disposal Group, Including Discontinued Operation, Finite-lived Intangible Assets

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- Definition

Disposal Group, Including Discontinued Operation, Finite-lived Intangible Assets, Liabilities Incurred

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- Definition

Disposal Group, Including Discontinued Operation, Indefinite-Lived Intangible Assets

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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