Summary of Significant Accounting Policies - Additional Information (Details) - USD ($) $ in Thousands				3 Months Ended					12 Months Ended
	May 03, 2024	Jun. 21, 2022	Oct. 01, 2020	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Summary Of Significant Accounting Policies [Line Items]
Capital expenditures									$ 354,834	$ 417,002	$ 427,567
Dividends paid									108,455	107,405	142,950
Net cash provided by (used in) operating activities									366,695	353,129	460,115
Income tax benefit									(17,555)	(68,474)	(17,365)
Proceeds from sale of unconsolidated entity									40,000	0	32,527
Goodwill impairment					$ 204,000				0	203,998	$ 240,500
Windstream Merger
Summary Of Significant Accounting Policies [Line Items]
Business combination, consideration transferred	$ 425,000
Windstream
Summary Of Significant Accounting Policies [Line Items]
Litigation settlement, amount awarded to other party			$ 490,100
Harmoni
Summary Of Significant Accounting Policies [Line Items]
Income tax benefit								$ 6,700
Proceeds from sale of unconsolidated entity		$ 32,500
Harmoni | Variable Interest Entity, Not Primary Beneficiary
Summary Of Significant Accounting Policies [Line Items]
Gain on sale of investments								$ 7,900
BB Fiber Holdings LLC
Summary Of Significant Accounting Policies [Line Items]
Current investment and maximum exposure to loss result of involvement				$ 2,600						2,600
Income tax benefit				$ 200
Proceeds from sale of unconsolidated entity										$ 40,000
Windstream Commitment
Summary Of Significant Accounting Policies [Line Items]
Other commitment			490,100						73,500
Windstream Commitment, Growth Capital Improvements
Summary Of Significant Accounting Policies [Line Items]
Other commitment			$ 1,750,000						$ 725,000
Windstream | Revenue | Customer Concentration Risk
Summary Of Significant Accounting Policies [Line Items]
Windstream leases revenue percentage									68.30%	67.30%	66.50%
Uniti Fiber
Summary Of Significant Accounting Policies [Line Items]
Investment report period lag									30 days
Goodwill impairment						$ 24,500	$ 216,000
Harmoni
Summary Of Significant Accounting Policies [Line Items]
Investment report period lag									90 days