XML 25 R37.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Nature of Business (Details) | 12 Months Ended
--- | ---
Dec. 31, 2012 RadioStation Segments
Nature of Business (Textual) [Abstract] |
Number of Reportable Segments | 1
Radio station owns and operated by entity | 43

X
- Details
Name: | bbgi_NatureOfBusinessTextualAbstract
Namespace Prefix: | bbgi_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of radio stations owned and operated by entity. + References No definition available. + Details
Name: | bbgi_RadioStationsOwnedAndOperatedByEntity
Namespace Prefix: | bbgi_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of segments reported by the entity. A reportable segment is a component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. + References No definition available. + Details
Name: | us-gaap_NumberOfReportableSegments
Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration