Revenues - Revenues Disaggregated by Revenue Stream (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	$ 58,362	$ 61,022	$ 182,268	$ 178,718
Lease income - operating leases	233,885	229,633	691,344	685,457
Total revenues	292,247	290,655	873,612	864,175
Uniti Fiber
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	56,563	59,154	177,195	173,576
Lease income - operating leases	12,762	16,913	37,588	52,750
Uniti Fiber | Lit backhaul
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	17,938	18,246	58,305	57,221
Uniti Fiber | Enterprise and wholesale
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	26,381	24,211	77,601	70,144
Uniti Fiber | E-Rate and government
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	11,327	15,911	38,645	43,947
Uniti Fiber | Other
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	917	786	2,644	2,264
Uniti Leasing
Disaggregation Of Revenue [Line Items]
Total revenue from contracts with customers	1,799	1,868	5,073	5,142
Lease income - operating leases	$ 221,123	$ 212,720	$ 653,756	$ 632,707