CONTENT ASSETS, NET - Future Minimum Content Payments (Details) - Total $ in Thousands	Dec. 31, 2024 USD ($)
Content Assets [Line Items]
2025	$ 14,233
2026	4,735
2027	$ 1,285

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