CONTENT ASSETS - Finite Lived Content Assets (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Produced Content, net
Completed	$ 88,491	$ 86,367
Less: current portion	(36,538)	(36,861)
Noncurrent portion	85,044	86,868
Content Assets
Licensed Content, net
Acquired	23,460	25,389
Produced Content, net
In production	9,631	11,798
In development and pre-production	0	175
Content assets, net	121,582	123,729
Less: current portion	(36,538)	(36,861)
Noncurrent portion	$ 85,044	$ 86,868

Value of produced content assets completed as on balance sheet date.

No definition available.

Name:	uone_ContentAssetsCompleted
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Contracts to acquire entertainment programming rights and programs from distributors and producers. The license periods granted in these contracts generally run from one year to perpetuity. Contract payments are made in installments over terms that are generally shorter than the contract period. Each contract is recorded as an asset and a liability at an amount equal to its gross contractual commitment when the license period begins and the program is available for its first airing. The portion of the unamortized licensed content balance that will be amortized within one year is classified as a current asset.

+ References

No definition available.

+ Details

Name:	uone_ContentAssetsCurrent
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the net amount of current and non current portion of content assets.

+ References

No definition available.

+ Details

Name:	uone_ContentAssetsCurrentAndNonCurrent
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Value of produced content assets in production as on balance sheet date.

+ References

No definition available.

+ Details

Name:	uone_ContentAssetsInProduction
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the non current portion of content assets.

+ References

No definition available.

+ Details

Name:	uone_ContentAssetsNonCurrent
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

This element represents the gross amount of non current portion of content assets.

+ References

No definition available.

+ Details

Name:	uone_ContentAssetsNonCurrentGross
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Value of licensed content assets acquired as on balance sheet date.

+ References

No definition available.

+ Details

Name:	uone_LicensedContentAssetsAcquired
Namespace Prefix:	uone_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

- Definition

Licensed Content Assets Acquired [Abstract]

+ References

No definition available.

+ Details

Name:	uone_LicensedContentAssetsAcquiredAbstract
Namespace Prefix:	uone_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Produced Content Assets [Abstract]

+ References

No definition available.

+ Details

Name:	uone_ProducedContentAssetsAbstract
Namespace Prefix:	uone_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Details

Name:	us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis=uone_ContentAssetsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: