Schedule I - Condensed Financial Information of The Registrant (Parent Company) - Condensed Balance Sheets (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Assets:
Cash and cash equivalents	$ 77,534	$ 142,813
Other assets	152,883	161,560
Total Assets	4,731,818	5,017,000
Liabilities:
Dividends payable	36,725	43,282
Total liabilities	6,804,194	6,500,164
Shareholders' Deficit:
Preferred stock, $0.0001 par value, 50,000 shares authorized, no shares issued and outstanding
Common stock, $0.0001 par value, 500,000 shares authorized, issued and outstanding: 231,262 shares at December 31, 2020 and 192,142 at December 31, 2019	23	19
Additional paid-in capital	1,209,141	951,295
Accumulated other comprehensive loss	(20,367)	(23,442)	$ 30,105
Distributions in excess of accumulated earnings	(3,330,455)	(2,494,740)
Total Uniti shareholders' deficit	(2,141,658)	(1,566,868)
Total Liabilities and Shareholders' Deficit	4,731,818	5,017,000
Uniti Group Inc.
Assets:
Cash and cash equivalents	2,284	43,423
Other assets	37,894	291
Total Assets	40,178	43,714
Liabilities:
Accrued other liabilities	1,145	564
Dividends payable	36,205	42,519
Cash distributions and losses in excess of investments in consolidated subsidiaries	2,144,486	1,567,499
Total liabilities	2,181,836	1,610,582
Shareholders' Deficit:
Preferred stock, $0.0001 par value, 50,000 shares authorized, no shares issued and outstanding
Common stock, $0.0001 par value, 500,000 shares authorized, issued and outstanding: 231,262 shares at December 31, 2020 and 192,142 at December 31, 2019	23	19
Additional paid-in capital	1,209,141	951,295
Accumulated other comprehensive loss	(20,367)	(23,442)
Distributions in excess of accumulated earnings	(3,330,455)	(2,494,740)
Total Uniti shareholders' deficit	(2,141,658)	(1,566,868)
Total Liabilities and Shareholders' Deficit	$ 40,178	$ 43,714