ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Launch support amortization expense (Details) $ in Thousands	Dec. 31, 2019 USD ($)
ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES
2020	$ 1,027
2021	1,027
2022	1,027
2023	1,027
2024	$ 1,027

Amount of amortization expense expected to be recognized during the next fiscal year following the latest fiscal year for launch assets.

No definition available.

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Amount of amortization expense expected to be recognized during the five fiscal year following the latest fiscal year for launch assets.

No definition available.

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Amount of amortization expense expected to be recognized during the four fiscal year following the latest fiscal year for launch assets.

No definition available.

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Amount of amortization expense expected to be recognized during the third fiscal year following the latest fiscal year for launch assets.

No definition available.

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Amount of amortization expense expected to be recognized during the second fiscal year following the latest fiscal year for launch assets.

No definition available.

Name:	uone_LaunchAssetsAmortizationExpenseYearTwo
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Period Type:	instant

No definition available.

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