CONTENT ASSETS - Future Minimum Content Payments (Details) - Content Assets $ in Thousands	Dec. 31, 2023 USD ($)
Content Assets [Line Items]
2024	$ 22,389
2025	2,643
2026	$ 759

Amount of content payments maturing in the next fiscal year following the latest fiscal year.

No definition available.

Name:	uone_ContentPaymentsDueInNextTwelveMonths
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant