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Discontinued Operations - Narrative (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Aug. 01, 2025 USD ($) numberOfTowers	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Sep. 30, 2025 USD ($)	Sep. 30, 2024 USD ($)	Jul. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration received				$ 5,439	$ 0
Accrued taxes		$ 289,836		289,836			$ 27,077
Loss on sale of business				47,700
Licenses		1,648,604		1,648,604			$ 3,281,508
Wireless operations and select spectrum assets | Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total consideration received	$ 4,293,800
Cash proceeds	2,628,800
Debt assumed	1,665,000
Purchase price true-up	20,200
Deferred purchase price	$ 16,700
Contingent decommissioning costs		65,800		65,800
Net Assets						$ 2,362,100
Loss on sale of business		$ 239,267	$ 0	$ 239,267	$ 0
Lessor, Operating Lease, Term of Contract	15 years
Minimum Number Of Towers Leased | numberOfTowers	2,015
Number OfTowers To Be Extended Tenancy Term | numberOfTowers	600
Wireless operations and select spectrum assets | Discontinued Operations | Lease Agreements
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Deferred purchase price	$ 149,300
Wireless operations and select spectrum assets | Discontinued Operations | Contingent consideration
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Business divestiture agreement amount	89,300
Wireless operations and select spectrum assets | Discontinued Operations | Minimum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accrued taxes	250,000
Wireless operations and select spectrum assets | Discontinued Operations | Maximum
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Accrued taxes	$ 300,000

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