Revenue, Deferred Revenue, and Deferred Device and Contract Costs - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2026	Sep. 30, 2025	Sep. 30, 2026	Sep. 30, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 605,102	$ 626,439	$ 1,825,874	$ 1,887,708
U.S.
Disaggregation of Revenue [Line Items]
Revenue	489,214	509,774	1,468,079	1,554,433
International
Disaggregation of Revenue [Line Items]
Revenue	115,888	116,665	357,795	333,275
Access Fees
Disaggregation of Revenue [Line Items]
Revenue	466,721	520,907	1,425,591	1,570,346
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 138,381	$ 105,532	$ 400,283	$ 317,362

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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- Definition

Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

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