Schedule I - Condensed Financial Information of The Registrant (Parent Company) - Condensed Statements of Cash Flows (Details) - USD ($) $ in Thousands		9 Months Ended	12 Months Ended
	Dec. 07, 2022	Sep. 30, 2023	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Cash flow from operating activities
Net cash provided by (used in) operating activities		$ 190,575	$ 353,129	$ 460,115	$ 499,157
Cash flow from investing activities
Proceeds from sale of real estate, net of cash			2,545	665	1,034
Net cash used in by investing activities			(411,311)	(392,019)	(321,221)
Cash flow from financing activities
Dividends paid			(107,405)	(142,950)	(141,371)
Proceeds from issuance of Notes			2,600,000	306,500	2,380,000
Payments for financing costs			(26,955)	(9,852)	(27,660)
Payments related to tax withholding for stock-based compensation			(1,433)	(4,913)	(4,100)
Proceeds from termination of bond hedge option	$ 1,200
Proceeds from employee stock purchase plan			730	589	672
Net cash provided by (used in) financing activities			76,643	(83,196)	(196,567)
Net increase (decrease) in cash and cash equivalents			18,461	(15,100)	(18,631)
Cash and cash equivalents at beginning of period		43,803	43,803	58,903	77,534
Cash and cash equivalents at end of period			62,264	43,803	58,903
Uniti Group Inc.
Cash flow from operating activities
Net cash provided by (used in) operating activities			104,630	(134,179)	141,527
Cash flow from investing activities
Proceeds from sale of real estate, net of cash			0	0	0
Net cash used in by investing activities			0	0	0
Cash flow from financing activities
Dividends paid			(107,405)	(142,950)	(141,371)
Proceeds from issuance of Notes			0	306,500	0
Payments for financing costs			0	(9,852)	0
Payment for settlement of common stock warrant			(56)	(522)	0
Payments related to tax withholding for stock-based compensation			(1,432)	(4,913)	(4,100)
Proceeds from termination of bond hedge option			59	1,190	0
Payments for capped call option			0	(21,149)	0
Intercompany transactions, net			1,368	4,907	4,100
Proceeds from employee stock purchase plan			730	589	672
Net cash provided by (used in) financing activities			(106,736)	133,800	(140,699)
Net increase (decrease) in cash and cash equivalents			(2,106)	(379)	828
Cash and cash equivalents at beginning of period		$ 2,733	2,733	3,112	2,284
Cash and cash equivalents at end of period			$ 627	$ 2,733	$ 3,112