Summary of Significant Accounting Policies - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified |
12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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Summary Of Significant Accounting Policies [Line Items] | ||
Renewable terms of FCC broadcasting licenses | 8 years | |
Weighted-average period before the next renewal of the Company's FCC broadcasting licenses | 5 years 3 months 18 days | |
Advertising agency commissions of gross revenue | 15.00%bbgi_AdvertisingAgencyCommission | |
Barter sales revenue from Broadcasting Service | $ 3.7us-gaap_AdvertisingBarterTransactionsAdvertisingBarterRevenue | $ 4.3us-gaap_AdvertisingBarterTransactionsAdvertisingBarterRevenue |
Barter sales expenses from Broadcasting Service | 3.9us-gaap_AdvertisingBarterTransactionsAdvertisingBarterCosts | 4.0us-gaap_AdvertisingBarterTransactionsAdvertisingBarterCosts |
Geographic Concentration Risk [Member] | Sales Revenue, Net [Member] | ||
Summary Of Significant Accounting Policies [Line Items] | ||
Radio stations contributed to net revenue | 43.50%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_GeographicConcentrationRiskMember |
47.90%us-gaap_ConcentrationRiskPercentage1 / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_GeographicConcentrationRiskMember |
Quu, Inc. [Member] | ||
Summary Of Significant Accounting Policies [Line Items] | ||
Carrying value of the investment in Quu, Inc. | $ 0.9us-gaap_InvestmentOwnedAtCost / invest_InvestmentContractCounterpartyAxis = bbgi_QuuIncMember |
$ 0.9us-gaap_InvestmentOwnedAtCost / invest_InvestmentContractCounterpartyAxis = bbgi_QuuIncMember |
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- Definition
General advertising agency commission rate on gross revenue. No definition available.
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- Definition
The renewable term generally granted by the FCC for radio broadcasting licenses. No definition available.
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- Definition
Weighted-average period before the next renewal of the company's FCC broadcasting licenses. No definition available.
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- Definition
Total expense recognized from advertising barter transactions for each income statement presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Total revenue recognized from advertising barter transactions for each income statement presented. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- 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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Cost of the investment. No definition available.
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- Details
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