Segment Information - Schedule of Total Assets by Business Segment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Segment Reporting Information [Line Items]
Total of reportable segments	$ 5,292,414	$ 5,282,145
Corporate
Segment Reporting Information [Line Items]
Total of reportable segments	70,407	138,008
Uniti Leasing | Operating Segments
Segment Reporting Information [Line Items]
Total of reportable segments	3,226,236	3,158,309
Uniti Fiber | Operating Segments
Segment Reporting Information [Line Items]
Total of reportable segments	$ 1,995,771	$ 1,985,828