Schedule I - Condensed Financial Information of The Registrant (Parent Company) - Condensed Balance Sheets (Parenthetical) (Details) - $ / shares	Dec. 31, 2020	Dec. 31, 2019
Condensed Financial Statements Captions [Line Items]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	231,262,000	192,142,000
Common stock, shares outstanding	231,261,958	192,142,000
Uniti Group Inc.
Condensed Financial Statements Captions [Line Items]
Preferred stock, par value	$ 0.0001	$ 0.0001
Preferred stock, shares authorized	50,000,000	50,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value	$ 0.0001	$ 0.0001
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares issued	231,262,000	192,142,000
Common stock, shares outstanding	231,262,000	192,142,000