Organization and Description of Business (Details) $ / shares in Units, customer in Thousands, household in Millions, $ in Millions			12 Months Ended
	Aug. 01, 2025 numberOfDirector	May 03, 2024 USD ($) $ / shares shares	Dec. 31, 2025 segment customer route_miles household state $ / shares	Dec. 31, 2024 $ / shares
Organization And Description Of Business [Line Items]
Number of fiber route miles operates | route_miles			240,000
Number of states in which entity operates | state			47
Number of customers | customer			1,000
Number of residential fiber customers | customer			500
Number of fiber equipped households | household			1.9
Number of reportable business segments | segment			3
Number of operating business segments | segment			2
Common stock, par value (in dollars per share) | $ / shares			$ 0.0001	$ 0.0001
Number of board of directors appointed | numberOfDirector	9
Old Uniti
Organization And Description Of Business [Line Items]
Number of board of directors appointed | numberOfDirector	5
Windstream Merger
Organization And Description Of Business [Line Items]
Preferred stock, dividend rate, annual increase, percentage		1.00%
Preferred stock, liquidation preference, value | $		$ 575.0
Common stock aggregate at an exercise price (in dollars per share) | $ / shares		$ 0.01
Class of warrant or right, outstanding stock, percentage		6.90%
Business combination, consideration transferred | $		$ 370.7
Windstream Merger | Maximum
Organization And Description Of Business [Line Items]
Preferred stock, dividend rate, percentage		16.00%
Windstream Merger | Period One
Organization And Description Of Business [Line Items]
Preferred stock, dividend rate, percentage		11.00%
Windstream Merger | Period Two
Organization And Description Of Business [Line Items]
Preferred stock, dividend rate, annual increase, percentage		0.50%
Windstream Merger | Period Three
Organization And Description Of Business [Line Items]
Preferred stock, dividend rate, annual increase, percentage		0.50%
Non Voting Preferred Stock
Organization And Description Of Business [Line Items]
Business combination, consideration transferred, equity interest, share issued (in shares)		600,000
Old Uniti | Old Uniti
Organization And Description Of Business [Line Items]
Percentage of equity acquired	62.00%
Old Common Stock Member
Organization And Description Of Business [Line Items]
Common stock, par value (in dollars per share) | $ / shares			$ 0.0001
Common Stock
Organization And Description Of Business [Line Items]
Conversion of stock (in shares)		0.6029
Warrants (in shares)		17,600,000
Common Stock | Windstream Merger
Organization And Description Of Business [Line Items]
Business combination, consideration transferred, equity interest, share issued (in shares)		90,100,000
Remaining equity interest acquired percentage		35.42%
Common Stock | Windstream Merger | Uniti Group L P Stockholders
Organization And Description Of Business [Line Items]
Percentage of equity acquired		62.00%
Common Stock | Windstream Merger | Windstream Holdings II, LLC
Organization And Description Of Business [Line Items]
Percentage of equity acquired		38.00%
Uniti Group LP
Organization And Description Of Business [Line Items]
Percentage of partnership interests owned	100.00%