CONTENT ASSETS - Content Amortization (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Asset Retirement Obligation Disclosure [Abstract]
Content amortization - acquired	$ 3,342	$ 3,891	$ 6,698	$ 10,202
Content amortization - produced	7,758	7,325	15,845	14,172
Total content amortization	$ 11,100	$ 11,216	$ 22,543	$ 24,374

The noncash amortization expense, charged against earnings in the period to allocate the cost of content assets over their remaining economic lives

No definition available.

Name:	uone_AmortizationOfContentAssets
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration