Balance Sheet Parenthetical [Abstract] Net time brokerage agreement (income) fees Net Time Brokerage Agreement Expense to lease other radio stations Accrued liabilities - long-term The net change during the reporting period in other noncurrent operating liabilities not separately disclosed in the statement of cash flows Increase Decrease In Other Operating Liabilities Noncurrent Prepaid expenses - long-term Increase Decrease In Prepaid Expense Long Term Changes in prepaid expenses long term Conversion of Class B common stock to Class A common stock SHARES Conversion Of Stock Shares Converted 2010 Purchase of vested employee restricted stock units SHARES Vested Restricted Stock Units Purchased During Period Shares Conversion of Class B common stock to Class A common stock VALUE Conversion Of Common Class B To Common Class A Value Forfeitures of dividend equivalents VALUE Net Dividend Equivalents On Restricted Stock Units Realization of tax benefit for dividend equivalent payments VALUE Realization Of Tax Benefits On Resticted Stock Units Goodwil And Intangible Assets Disclosure [Abstract] Financing Method Lease Obligations [Abstract] Financing Method Lease Obligations [Text Block] Schedule Of Changes In Indefinite Lived Intangible Assets [Table Text Block] Schedule of the changes in broadcasting license Tabular disclosure of rollforward schdule of indefinite lived intangilbe asset broadcasting licences. Schedule of assumptions and estimates for impairment testing of indefinite lived intangible assets [Table Text Block] Schedule of assumptions and estimates for broadcasting licences impairment testing Tabular disclosure of assumptions and estimate rates used for calculating impairment test of indefinite lived intangilbe asset broadcasting licences. Schedule of assumptions and estimates for impairment testing of goodwill [Table Text Block] Schedule of assumptions and estimates for goodwill impairment testing Tabular disclosure of assumptions and estimate rates used for calculating impairment test of goodwill Discount rates The discount rate is estimated using required returns on debt and equity of publicly traded radio companies. Discount Rates Operating profit margin ranges of the markets of the Company Operating profit margin ranges of the markets of the Company Operating Profit Margin Ranges Of The Markets Of The Company Long-term revenue growth rate ranges of the markets of the Company Long-term revenue growth rate ranges of the markets of the Company Long Term Revenue Growth Rate Ranges Of The Markets Of The Company Estimates and assumptions used for impairment test [Line Items] Schedule Of Impairment Testing Indefinite Lived Intangible Assets And Goodwill [Table] Schedule Of Impairment Testing Indefinite Lived Intangible Assets And Goodwill [Axis] Impairment Testing Indefinite Lived Intangible Assets And Goodwill [Domain] Broadcasting License Impairment Testing [Member] Goodwill Impairment Testing [Member] Range [Domain] Schedule of derivatives expired Interest Rate Derivative Type Of Hedges [Axis] Type Of Hedges [Domain] Swap Expiring September 2011 [Member] Swap Expiring May 2012 [Member] Swap Expiring January 2011 [Member] Collar Expiring February 2011 [Member] Swap Expiring February 2011 [Member] Swap Expiring January 2010 [Member] Swap Expiring January 2010 [Member] Current Liabilities [Member] Other Long Term Liabilities [Member] Notional Amount Of Expired Derivatives Aggregate notional amount of all expired derivatives. The notional amount relates to a number of currency units, shares, bushels, pounds, or other units specified in a expired derivative instrument. Aggregate notional amounts expired Tabular dislosure of other information required such as intrinsic value options exercised tax benefits from options exercised. Schedule Of Other Options Dislcosure Table [Text Block] Weighted Average Purchase Price RSUs Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Purchase Price Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Purchase Price. Number of RSUs vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Number As of the balance sheet date, the number of Retricted Stock Units into which fully vested and expected to vest stock options outstanding can be converted under the plan. Weighted Average Purchase Price of RSUs vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Weighted Average Purchase Price Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Weighted Average Purchase Price. Weighted Average Remaining Contractual Term (Years) of RUSs vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Contractual Term Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Contractual Term Aggregate Intrinsic Value RSUs vested and expected to vest Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Aggregate Intrinsic Value Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Expected To Vest Aggregate Intrinsic Value Number of RSUs exercisable Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Purchase Price of RUSs exercisable Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Purchase Price Excercisable. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Weighted Average Purchase Price Excercisable. Weighted Average Remaining Contractual Term (Years) of RUSs exercisable Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Contractual Term. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Exercisable Weighted Average Contractual Term. Aggregate Intrinsic Value RSUs exercisable Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Excercisable Aggregate Instrinsic Value. Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Excercisable Aggregate Instrinsic Value. Weighted average remaining recognition period in years Weighted Average Remaining Recognition Period In Years For Restricted Stock Units Period over which the unamortized compensation expense will be recognized for restricted stock units. Unamortized compensation expense, net of estimated forfeitures Unamortized Compensation Expense For Restricted Stock Units Unamortized compensation expense for restricted stock units net of estimated forfeitures. Aggregate Intrinsic Value RSUs Aggregate Instrinsic value of Restricted Stock Units Share based compensation for restricted stock units aggregate instinsic value. Weighted average remaining recognition period in years Weighted Average Remaining Recognition Period In Years For Options Period over which the unamortized compensation expense will be recognized for options. Unamortized compensation expense, net of estimated forfeitures Unamortized Compensation Expense For Options Unamortized compensation expense for options net of estimated forfeitures. Exercise prices one [Member] Exercise prices from 1.34 to 1.34 Exercise prices range two [Member] Exercise prices from 2.02 to 10.90 Exercise prices range three [Member] Exercise prices from 11.31 to 11.78 Exercise prices range four [Member] Exercise prices from 12.08 to 48.21 Station operating expenses [Member] Stock-based compensation expense included in operating expenses [Member] Income tax benefit (net of a fully reserved valuation allowance for prior year) [Member] Other Options Disclosure [Abstract] Schedule Of Carrying And Fair Value Of Financial Instruments Table [Text Block] Tabular disclosure of fair value and carrying of value of financial instruments. Deferred Compensation Deferred Compensation Fair Value Disclosure Fair value of unfunded deferred compensations. Lease abandonment liability Lease Abandonment Liability Fair Value Disclosure Future value of property lease obligations related to ceased use of facilities. Fair Value Of Financial Instruments Subject To Disclosures [Line Items] Fair Value Of Financial Instruments Subject To Disclosures [Table] Fair Value Of Financial Instruments Subject To Disclosures [Axis] Fair Value Debt Obligations [Domain] Senior debt [Member] Finance method lease obligations [Member] The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract] The Expense Recognized In The Consolidated Statement Of Income As Merger And Acquisition Costs [Abstract] KUFXFM [Member] Income agreements [Member] Goodwill [Member] Merger Expense [Axis] Type Of Merger Expense [Domain] Legal and advisory expenses [Member] Lease abandonment expense [Member] Estimates of market multiples Estimates of market multiples for use in the market approach for step one goodwill analysis Estimates Of Market Multiples Reporting units with goodwill balances Reporting units with goodwill balances for use in the market approach for step one goodwill analysis Reporting Units With Goodwill Balances Reporting units with no goodwill balances Reporting units with no goodwill balances for use in the market approach for step one goodwill analysis Reporting Units With No Goodwill Balances Income model years used for the discounted cash flow approach Income model years used for the discounted cash flow approach Income Model Years Used For The Discounted Cash Flow Approach Other Acquisition Liabilities [Axis] Other Acquisition Liabilities [Domain] Unfavorable lease liability [Member] Proceeds From Issuance Of Senior Long Term Debt For Business Acquisition Acquisition price paid from borrowing The cash inflow from a borrowing for a specific acquisition with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer). Net Time Brokerage Agreement For Specific Aquisitions Net time brokerage agreement (income) fees Expense to lease other radio stations Market approach for step one goodwill analysis [Abstract] Balance Sheet [Line Items] Realization Of Tax Benefits For Payment Of Resticted Stock Units Realization of tax benefits for payment of dividend equivalents Accounts Receivable Net Current Accounts receivable, net of allowance for doubtful accounts Accumulated Other Comprehensive Income Loss Net Of Tax Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Total tangible assets Acquired Finite-Lived Intangible Assets by Major Class [Axis] Total intangible assets Additional Paid In Capital Common Stock Additional paid-in capital Gain Loss On Sale Of Derivatives Net (gain) loss on derivatives Amortization of deferred financing costs (including original issue discount) Amortization Of Financing Costs Options Activity[Member] Member Impairment loss Asset Impairment Charges Asset retirement liabilities [Member] Accretion expense net of asset retirement obligation payments Asset Retirement Obligation, Accretion Expense Statement Of Financial Position Abstract Earnings Per Share Basic NET INCOME (LOSS) PER SHARE - BASIC Merger and acquisition costs Unaudited Pro Forma Summary Of Financial Information Purchase price allocation [Abstract] Intangible assets amortizable Total assets Net assets acquired Intangible assets non amortizable Business Acquisition [Axis]