Schedule I – Condensed Financial Information of The Registrant (Parent Company) - Condensed Statements of Cash Flows (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Cash flows from operating activities:
Net cash (used in) provided from operating activities	$ 350.2	$ 366.6	$ 353.2
Cash flows from investing activities:
Merger cash consideration paid	229.5	0.0	0.0
Net cash used in investing activities	(1,011.7)	(272.2)	(411.3)
Cash flows from financing activities:
Dividends paid	0.0	(108.5)	(107.4)
Net cash provided from financing activities	611.8	27.1	76.6
Net (decrease) increase in cash, restricted cash and cash equivalents	(49.7)	121.5	18.5
Cash, restricted cash and cash equivalents at beginning of period	183.8	62.3	43.8
Cash, restricted cash and cash equivalents at end of period	134.1	183.8	62.3
Uniti Group Inc.
Cash flows from operating activities:
Net cash (used in) provided from operating activities	(0.5)	108.3	104.6
Cash flows from investing activities:
Merger cash consideration paid	(370.7)	0.0	0.0
Net cash used in investing activities	(370.7)	0.0	0.0
Cash flows from financing activities:
Dividends paid	0.0	(108.5)	(107.4)
Intercompany transactions, net	372.0	1.4	1.4
Other	(1.7)	(0.9)	(0.7)
Net cash provided from financing activities	370.3	(108.0)	(106.7)
Net (decrease) increase in cash, restricted cash and cash equivalents	(0.9)	0.3	(2.1)
Cash, restricted cash and cash equivalents at beginning of period	0.9	0.6	2.7
Cash, restricted cash and cash equivalents at end of period	$ 0.0	$ 0.9	$ 0.6