Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Revenues	$ 300,732	$ 294,947	$ 594,641	$ 581,365
Adjusted EBITDA	242,563	236,659	480,393	465,287
Interest expense	160,784	127,475	298,771	250,686
Depreciation and amortization	79,663	78,052	159,346	155,537
Transaction related and other costs	13,462	10,977	21,309	16,664
Gain on sale of real estate	0	0	0	(18,999)
Other, net	1,977	1,048	2,827	2,959
Stock-based compensation	3,584	3,397	7,345	6,745
Income tax expense (benefit)	(6,178)	(2,571)	(10,696)	(7,934)
Net income	(10,729)	18,281	1,491	59,629
Capital Expenditures	38,138	94,819	246,198	262,758
Corporate
Segment Reporting Information [Line Items]
Revenues	0	0	0	0
Adjusted EBITDA	(6,311)	(5,285)	(12,363)	(11,172)
Interest expense	147,425	116,368	270,210	232,688
Depreciation and amortization	64	14	80	27
Income tax expense (benefit)	(382)	52	(282)	193
Capital Expenditures	865	5	865	16
Uniti Leasing | Operating Segments
Segment Reporting Information [Line Items]
Revenues	226,478	218,286	448,846	435,907
Adjusted EBITDA	220,111	210,853	435,237	421,530
Interest expense	(46)	(710)	(145)	(710)
Depreciation and amortization	47,607	44,613	94,458	89,593
Income tax expense (benefit)	(2,128)	319	(1,828)	623
Capital Expenditures	3,124	69,592	179,922	209,294
Uniti Fiber | Operating Segments
Segment Reporting Information [Line Items]
Revenues	74,254	76,661	145,795	145,458
Adjusted EBITDA	28,763	31,091	57,519	54,929
Interest expense	13,405	11,817	28,706	18,708
Depreciation and amortization	31,992	33,425	64,808	65,917
Income tax expense (benefit)	(3,668)	(2,942)	(8,586)	(8,750)
Capital Expenditures	$ 34,149	$ 25,222	$ 65,411	$ 53,448