v2.4.1.9

ACQUISITIONS, DIVESTITURES AND PRO FORMA SUMMARY (Details) (USD $) | 3 Months Ended
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Mar. 31, 2015 | Mar. 31, 2014
Acquisition [Line Items] |  |
Payments to Acquire Businesses, Gross | $ 0 us-gaap_PaymentsToAcquireBusinessesGross | $ 0 us-gaap_PaymentsToAcquireBusinessesGross
LFM [Member] |  |
Acquisition [Line Items] |  |
Purchases of radio station assets | 105,000,000 etm_BusinessAcquisitionCostOfAcquiredEntityCashPaid1 / us-gaap_BusinessAcquisitionAxis = etm_LfmMember |
Acquisition price paid using cash available from operating cash flow | 77,500,000 etm_ProceedsFromOperatingCashFlowUsedForBusinessAcquisition / us-gaap_BusinessAcquisitionAxis = etm_LfmMember |
The expense recognized in the consolidated statement of income as merger and acquisition costs [Abstract] |  |
Merger and acquisition costs | 1,700,000 us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts / us-gaap_BusinessAcquisitionAxis = etm_LfmMember |
Acquisition Price Paid Using Convertible Preferred Stock | $ 27,500,000 etm_AcquisitionPricePaidUsingConvertiblePreferredStock / us-gaap_BusinessAcquisitionAxis = etm_LfmMember |

X
- Definition The proceeds from convertible preferred stockj used to fund an acquisition. + References No definition available. + Details
Name: | etm_AcquisitionPricePaidUsingConvertiblePreferredStock
Namespace Prefix: | etm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash paid to complete an acquisition + References No definition available. + Details
Name: | etm_BusinessAcquisitionCostOfAcquiredEntityCashPaid1
Namespace Prefix: | etm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
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Namespace Prefix: | etm_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash inflow from operating cash flow 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). + References No definition available. + Details
Name: | etm_ProceedsFromOperatingCashFlowUsedForBusinessAcquisition
Namespace Prefix: | etm_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3213-108585 + Details
Name: | us-gaap_PaymentsToAcquireBusinessesGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |