Revenue, Deferred Revenue, and Deferred Device and Contract Costs - Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Disaggregation of Revenue [Line Items]
Revenue	$ 606,927	$ 631,900	$ 1,220,772	$ 1,261,269
U.S.
Disaggregation of Revenue [Line Items]
Revenue	487,360	519,689	978,865	1,044,659
International
Disaggregation of Revenue [Line Items]
Revenue	119,567	112,211	241,907	216,610
Access Fees
Disaggregation of Revenue [Line Items]
Revenue	474,215	523,703	958,870	1,049,439
Other
Disaggregation of Revenue [Line Items]
Revenue	$ 132,712	$ 108,197	$ 261,902	$ 211,830

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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