Schedule I - Condensed Financial Information of The Registrant (Parent Company) - Condensed Balance Sheets (Details) - USD ($)	Dec. 31, 2023	Sep. 30, 2023	Dec. 31, 2022
Assets:
Cash and cash equivalents	$ 62,264,000		$ 43,803,000
Other assets	118,117,000		77,597,000
Total Assets	5,025,129,000	$ 4,943,362,000	4,851,229,000
Liabilities:
Dividends payable	36,162,000		2,000
Notes and other debt, net	5,523,579,000		5,188,815,000
Total liabilities	7,509,250,000		7,122,435,000
Shareholders' Deficit:
Preferred stock, $0.0001 par value, 50,000 shares authorized, no shares issued and outstanding	0		0
Common Stock, Value, Issued	24,000		24,000
Additional paid-in capital	1,221,824,000		1,210,033,000
Distributions in excess of accumulated earnings	(3,708,240,000)	(3,703,515,000)	(3,483,634,000)
Total Uniti shareholders' deficit	(2,486,392,000)	(2,484,676,000)	(2,273,577,000)
Total Liabilities and Shareholders' Deficit	$ 5,025,129,000	$ 4,943,362,000	$ 4,851,229,000
Preferred stock, par value (in dollars per share)	$ 0.0001		$ 0.0001
Preferred stock, shares authorized (in shares)	50,000,000		50,000,000
Preferred stock, shares issued (in shares)	0		0
Preferred stock, shares outstanding (in shares)	0		0
Common stock, par value (in dollars per share)	$ 0.0001		$ 0.0001
Common stock, shares authorized (in shares)	500,000,000		500,000,000
Common stock, shares issued (in shares)	236,559,000		235,829,000
Common stock, shares outstanding (in shares)	236,558,601		235,829,000
Uniti Group Inc.
Assets:
Cash and cash equivalents	$ 627,000		$ 2,733,000
Other assets	0		202,000
Total Assets	627,000		2,935,000
Liabilities:
Accrued other liabilities	6,441,000		5,152,000
Dividends payable	36,144,000		0
Notes and other debt, net	298,408,000		296,732,000
Cash distributions and losses in excess of investments in consolidated subsidiaries	2,146,026,000		1,974,628,000
Total liabilities	2,487,019,000		2,276,512,000
Shareholders' Deficit:
Preferred stock, $0.0001 par value, 50,000 shares authorized, no shares issued and outstanding	0		0
Common Stock, Value, Issued	24,000		24,000
Additional paid-in capital	1,221,824,000		1,210,033,000
Distributions in excess of accumulated earnings	(3,708,240,000)		(3,483,634,000)
Total Uniti shareholders' deficit	(2,486,392,000)		(2,273,577,000)
Total Liabilities and Shareholders' Deficit	$ 627,000		$ 2,935,000
Preferred stock, par value (in dollars per share)	$ 0.0001		$ 0.0001
Preferred stock, shares authorized (in shares)	50,000,000		50,000,000
Preferred stock, shares issued (in shares)	0		0
Preferred stock, shares outstanding (in shares)	0		0