Revenues - Revenues Disaggregated by Revenue Stream (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	$ 238,003	$ 236,433	$ 255,422
Revenue accounted for under leasing guidance	911,828	892,414	845,100
Total revenues	1,149,831	1,128,847	1,100,522
Uniti Fiber
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	231,156	231,843	250,973
Revenue accounted for under leasing guidance	65,903	69,547	48,052
Uniti Fiber | Lit backhaul
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	74,538	78,977	86,915
Uniti Fiber | Enterprise and wholesale
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	97,834	85,820	86,390
Uniti Fiber | E-Rate and government
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	55,682	64,219	74,396
Uniti Fiber | Other
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	3,102	2,827	3,272
Uniti Leasing
Disaggregation Of Revenue [Line Items]
Revenue from contracts with customers	6,847	4,590	4,449
Revenue accounted for under leasing guidance	$ 845,925	$ 822,867	$ 797,048