Notes and Other Debt - Narrative (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023	Feb. 14, 2023	Dec. 07, 2022
Debt Instrument [Line Items]
Principal amount	$ 5,866,500	$ 5,617,442
Senior secured revolving credit facility, variable rate, due September 24, 2027
Debt Instrument [Line Items]
Principal amount	5,000	208,000
ABS Loan Facility, variable rate, due September 1, 2025
Debt Instrument [Line Items]
Principal amount	275,000	0
Senior secured notes - 10.50% due February 15, 2028 (discount is based on imputed interest rate of 10.99%)
Debt Instrument [Line Items]
Principal amount	$ 2,900,000	$ 2,600,000	$ 2,600,000
Issuance senior notes, stated percentage	10.50%	10.50%
Senior secured notes - 4.75%, due April 15, 2028 (discount is based on imputed interest rate of 5.04%)
Debt Instrument [Line Items]
Principal amount	$ 570,000	$ 570,000
Issuance senior notes, stated percentage	4.75%	4.75%
Senior unsecured notes - 6.50%, due February 15, 2029 (discount is based on imputed interest rate of 6.83%)
Debt Instrument [Line Items]
Principal amount	$ 1,110,000	$ 1,110,000
Issuance senior notes, stated percentage	6.50%	6.50%
Senior unsecured notes - 6.00% due January 15, 2030 (discount is based on imputed interest rate of 6.27%)
Debt Instrument [Line Items]
Principal amount	$ 700,000	$ 700,000
Issuance senior notes, stated percentage	6.00%
Convertible senior notes - 7.50% due December 1, 2027
Debt Instrument [Line Items]
Principal amount	$ 306,500	$ 306,500
Issuance senior notes, stated percentage	7.50%	7.50%		7.50%
Uniti Group LP, Uniti Group Finance 2019 Inc. and CSL Capital, LLC | Senior secured revolving credit facility, variable rate, due September 24, 2027
Debt Instrument [Line Items]
Principal amount	$ 5,000