XML 39 R34.htm IDEA: XBRL DOCUMENT
v3.25.3

FCC Licenses - Additional Information (Details) - Licensing Agreements [Member] - WGUS-FM in Augusta, GA [Member] $ in Millions | Sep. 29, 2025 USD ($)
--- | ---
FCC Licenses [Line Items] |
License expiration date | Sep. 29, 2025
Termination resulted in a loss | $ 0.4

X
- Definition FCC licenses. + References No definition available. + Details
Name: | bbgi_FccLicensesLineItems
Namespace Prefix: | bbgi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Gain loss on termination of intangible assets indefinite lived excluding goodwill. + References No definition available. + Details
Name: | bbgi_GainLossOnTerminationOfIntangibleAssetsIndefiniteLivedExcludingGoodwill
Namespace Prefix: | bbgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition License expiration date. + References No definition available. + Details
Name: | bbgi_LicenseExpirationDate
Namespace Prefix: | bbgi_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_IndefiniteLivedIntangibleAssetsByMajorClassAxis=us-gaap_LicensingAgreementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_StatementGeographicalAxis=bbgi_WGUS-FMInAugustaGAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |