v2.4.0.8

TOWER SALE AND LEASEBACK (Details) (USD $) | 9 Months Ended |  |
--- | --- | --- | ---
Sep. 30, 2013 number | Mar. 31, 2013 | Dec. 31, 2012
Minimum Lease Payments Sale Leaseback Transactions [Abstract] |  |  |
Remainder of 2013 | $ 194,000 |  |
2014 | 792,000 |  |
2015 | 816,000 |  |
2016 | 840,000 |  |
2017 | 865,000 |  |
Thereafter | 12,447,000 |  |
Total | 15,954,000 |  |
Tower Sale And Leaseback [Abstract] |  |  |
Principal portion of total lease obligations | 0 | 12,600,000 | 0
Operating Lease Remaining Life Amortization Period | 16.5 |  |
Sale Leaseback Transaction Current Period Gain Recognized | 1,600,000 |  |
Sale Leaseback Transaction Deferred Gain Gross | 9,900,000 |  |
Sale Leaseback Transaction Deferred Gain Short Term | 600,000 |  |
Sale Leaseback Transaction Deferred Gain Long Term | 9,100,000 |  |
Sale Leaseback Transaction Amortization Of Deferred Gain | $ 200,000 |  |

X
- Definition The reminaing life of the lease that will be used to amortize, on a straightline basis, the deferred gain. + References No definition available. + Details
Name: | etm_OperatingLeaseRemainingLifeAmortizationPeriod
Namespace Prefix: | etm_
Data Type: | xbrli:decimalItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of the gain recorded in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller to be recognized beyond the next year + References No definition available. + Details
Name: | etm_SaleLeasebackTransactionAmortizationOfDeferredGain
Namespace Prefix: | etm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of the gain recorded in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller to be recognized beyond the next year + References No definition available. + Details
Name: | etm_SaleLeasebackTransactionDeferredGainLongTerm
Namespace Prefix: | etm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of the gain recorded in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller to be recognized within the next year + References No definition available. + Details
Name: | etm_SaleLeasebackTransactionDeferredGainShortTerm
Namespace Prefix: | etm_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount of minimum lease payments for sale-leaseback transactions accounted for using the deposit method or as a financing. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph a -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 840 -SubTopic 40 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6456377&loc=d3e50824-112756 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 98 -Paragraph 18 -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. + Details
Name: | us-gaap_MinimumLeasePaymentsSaleLeasebackTransactions
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Amount of minimum lease payments maturing after the fifth rolling twelve months following the latest balance sheet presented for sale-leaseback transactions accounted for using the deposit method or as a financing. + References No definition available. + Details
Name: | us-gaap_MinimumLeasePaymentsSaleLeasebackTransactionsDueInRollingAfterYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum lease payments maturing in the fifth rolling twelve months following the latest balance sheet presented for sale-leaseback transactions accounted for using the deposit method or as a financing. + References No definition available. + Details
Name: | us-gaap_MinimumLeasePaymentsSaleLeasebackTransactionsDueInRollingYearFive
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum lease payments maturing in the fourth rolling twelve months following the latest balance sheet presented for sale-leaseback transactions accounted for using the deposit method or as a financing. + References No definition available. + Details
Name: | us-gaap_MinimumLeasePaymentsSaleLeasebackTransactionsDueInRollingYearFour
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum lease payments maturing in the third rolling twelve months following the latest balance sheet presented for sale-leaseback transactions accounted for using the deposit method or as a financing. + References No definition available. + Details
Name: | us-gaap_MinimumLeasePaymentsSaleLeasebackTransactionsDueInRollingYearThree
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum lease payments maturing in the second rolling twelve months following the latest balance sheet presented for sale-leaseback transactions accounted for using the deposit method or as a financing. + References No definition available. + Details
Name: | us-gaap_MinimumLeasePaymentsSaleLeasebackTransactionsDueInRollingYearTwo
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of minimum lease payments maturing in the remainder of the fiscal year following the latest fiscal year ended for sale-leaseback transactions accounted for using the deposit method or as a financing. + References No definition available. + Details
Name: | us-gaap_MinimumLeasePaymentsSaleLeasebackTransactionsRemainderOfFiscalYear
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The liability due as of the balance sheet date for leasebacks accounted for using the deposit method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6452660&loc=d3e36991-112694 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 16 -Subparagraph d -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 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6456341&loc=d3e50796-112755 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 98 -Paragraph 17 -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. + Details
Name: | us-gaap_SaleLeasebackTransactionAmountDueUnderFinancingArrangement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The portion of the deferred gain that was recognized in the current period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 33 -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 840 -SubTopic 40 -Section 35 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=21918046&loc=d3e50609-112754 + Details
Name: | us-gaap_SaleLeasebackTransactionCurrentPeriodGainRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of the gain recorded in connection with the transaction involving the sale of property to another party and the lease of the property back to the seller to be recognized in future periods. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 40 -Section 25 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6456126&loc=d3e49567-112750 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 33 -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. + Details
Name: | us-gaap_SaleLeasebackTransactionDeferredGainGross
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant