XML 81 R38.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Summary of Significant Accounting Policies (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011
Summary of Significant Accounting Policies (Additional Textual) [Abstract] |  |
Renewable terms of FCC broadcasting licenses | 8 years |
Weighted-average period before the next renewal of the Company's FCC broadcasting licenses | 4 years 3 months 18 days |
Option to purchase additional shares | $ 0.2 |
Option to purchase additional shares expiry | May 31, 2013 |
Advertising agency commissions of gross revenue | 15.00% |
Barter sales revenue from Broadcasting Service | 3.7 | 4.0
Barter sales expenses from Broadcasting Service | 3.3 | 3.6
Quu, Inc. [Member] |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Carrying value of the investment in Quu, Inc. | $ 0.9 |
Geographic Concentration Risk [Member] |  |
Summary of Significant Accounting Policies (Textual) [Abstract] |  |
Radio stations contributed to net revenue | 47.10% | 48.20%

X
- Definition General advertising agency commission rate on gross revenue. + References No definition available. + Details
Name: | bbgi_AdvertisingAgencyCommission
Namespace Prefix: | bbgi_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition FCC broadcasting license renewable term. + References No definition available. + Details
Name: | bbgi_BroadcastingLicensesRenewableTerms
Namespace Prefix: | bbgi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Carrying value of the investment in entity. + References No definition available. + Details
Name: | bbgi_CarryingValueOfInvestmentInEntity
Namespace Prefix: | bbgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Expiration date of option to purchase additional shares. + References No definition available. + Details
Name: | bbgi_ExpirationDateOfOptionToPurchaseAdditionalShares
Namespace Prefix: | bbgi_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | instant

X
- Definition Option to purchase additional shares. + References No definition available. + Details
Name: | bbgi_OptionToPurchaseAdditionalShares
Namespace Prefix: | bbgi_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Definition Weighted-average period before the next renewal of the Company's FCC broadcasting licenses. + References No definition available. + Details
Name: | bbgi_WeightedAveragePeriodBeforeNextRenewalOfCompanysBroadcastingLicenses
Namespace Prefix: | bbgi_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Total expense recognized from advertising barter transactions for each income statement presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 99-17 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406959&loc=d3e49171-111630 + Details
Name: | us-gaap_AdvertisingBarterTransactionsAdvertisingBarterCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Total revenue recognized from advertising barter transactions for each income statement presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 99-17 -Paragraph 8 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6406959&loc=d3e49171-111630 + Details
Name: | us-gaap_AdvertisingBarterTransactionsAdvertisingBarterRevenue
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 18 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6351-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13537-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=6927468&loc=d3e6404-108592 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=7491637&loc=d3e13531-108611 + Details
Name: | us-gaap_ConcentrationRiskPercentage1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration