Segment Information - Schedule of Segment Reporting Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Revenues	$ 293,909	$ 286,418
Adjusted EBITDA	237,830	228,628
Interest expense	137,987	123,211
Depreciation and amortization	79,683	77,485
Transaction related and other costs	7,847	5,687
Gain on sale of real estate	0	(18,999)
Other, net	850	1,911
Stock-based compensation	3,761	3,348
Income tax benefit	(4,518)	(5,363)
Net income	12,220	41,348
Capital Expenditures	208,060	167,939
Corporate
Segment Reporting Information [Line Items]
Revenues	0	0
Adjusted EBITDA	(6,052)	(5,887)
Depreciation and amortization	16	13
Capital Expenditures	0	12
Uniti Leasing | Operating Segments
Segment Reporting Information [Line Items]
Revenues	222,368	217,621
Adjusted EBITDA	215,126	210,677
Depreciation and amortization	46,851	44,980
Capital Expenditures	176,798	139,702
Uniti Fiber | Operating Segments
Segment Reporting Information [Line Items]
Revenues	71,541	68,797
Adjusted EBITDA	28,756	23,838
Depreciation and amortization	32,816	32,492
Capital Expenditures	$ 31,262	$ 28,225