Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
	Jan. 31, 2024	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Segment Reporting Information [Line Items]
Revenues		$ 294,947	$ 283,698	$ 581,365	$ 573,520
Adjusted EBITDA		236,659	228,167	465,287	459,368
Interest expense		127,475	119,689	250,686	268,552
Depreciation and amortization		78,052	77,267	155,537	154,042
Transaction related and other costs		10,977	5,576	16,664	8,364
Gain on sale of real estate	$ (19,000)	0	0	(18,999)	0
Other, net		1,048	469	2,959	20,982
Stock-based compensation		3,397	3,130	6,745	6,260
Income tax benefit		(2,571)	(4,357)	(7,934)	(6,769)
Adjustments for equity in earnings from unconsolidated entities			755		1,510
Net income		18,281	25,638	59,629	6,427
Corporate
Segment Reporting Information [Line Items]
Adjusted EBITDA		(5,285)	(3,566)	(11,172)	(11,005)
Depreciation and amortization		14	14	27	30
Uniti Leasing | Operating Segments
Segment Reporting Information [Line Items]
Revenues		218,286	212,453	435,907	423,261
Adjusted EBITDA		210,853	206,552	421,530	411,518
Depreciation and amortization		44,613	44,690	89,593	88,862
Uniti Fiber | Operating Segments
Segment Reporting Information [Line Items]
Revenues		76,661	71,245	145,458	150,259
Adjusted EBITDA		31,091	25,181	54,929	58,855
Depreciation and amortization		$ 33,425	$ 32,563	$ 65,917	$ 65,150