Leases - Schedule of Depreciation Expense for Underlying Assets under Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Leases [Abstract]
Depreciation expense for underlying assets under operating leases	$ 43,187	$ 45,913

Depreciation expense for underlying assets under operating leases.

No definition available.

Name:	unit_DepreciationExpenseForUnderlyingAssetsUnderOperatingLeases
Namespace Prefix:	unit_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration