Leases - Schedule of Depreciation Expense for Underlying Assets under Operating Leases (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Leases [Abstract]
Depreciation expense for underlying assets under operating leases	$ 48,621	$ 45,643	$ 96,481	$ 91,648

Depreciation expense for underlying assets under operating leases.

No definition available.

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