The percentage points added to the reference rate to compute the variable rate on the debt instrument plus fees.

No definition available.

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Namespace Prefix:	etm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The range of excess cash flow percentage that is required to be applied to Term B prepayments.

+ References

No definition available.

+ Details

Name:	etm_MandatoryPrepaymentPercentage
Namespace Prefix:	etm_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

The interest coverage ratio is calculated by dividing a company's earnings before interest and taxes (EBIT) of one period by the company's interest expenses of the same period.

+ References

No definition available.

+ Details

Name:	etm_RatioOfInterestCoverage
Namespace Prefix:	etm_
Data Type:	xbrli:decimalItemType
Balance Type:	na
Period Type:	instant

- Definition

Percentage points added to the reference rate to compute the variable rate on the debt instrument.

+ References

No definition available.

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

Name:	us-gaap_DebtInstrumentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03.16)
-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 210
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03.16)
-URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 20, 22
-Article 5

+ Details

Name:	us-gaap_LineOfCredit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

The fee, expressed as a percentage of the line of credit facility, for the line of credit facility regardless of whether the facility has been used.

+ References

No definition available.

+ Details

Name:	us-gaap_LineOfCreditFacilityCommitmentFeePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
-Name Regulation S-X (SX)
-Number 210
-Section 02
-Paragraph 19, 22
-Article 5

+ Details

Name:	us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding).

+ References

+ Details

Name:	us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Weighted average interest rate of long-term debt outstanding.

+ References

No definition available.

+ Details

Name:	us-gaap_LongtermDebtWeightedAverageInterestRate
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Indebtedness divided by net capital.

+ References

No definition available.

+ Details

Name:	us-gaap_RatioOfIndebtednessToNetCapital1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:pureItemType
Balance Type:	na
Period Type:	instant

- Details

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Balance Type:
Period Type:

- Details

Name:	us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_StatementScenarioAxis=etm_March312016OrAfterMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=us-gaap_RevolvingCreditFacilityMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_DebtInstrumentAxis=etm_TermLoanBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_LongtermDebtTypeAxis=us-gaap_SeniorDebtObligationsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=etm_LiborRatePlusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=etm_FederalRatePlusMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_FinancialInstrumentAxis=etm_BaseRatePlusMember
Namespace Prefix:
Data Type:	na
Balance Type:
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- Details

Name:	us-gaap_FinancialInstrumentAxis=etm_LiborRateFloorMember
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LONG-TERM DEBT LIABILITIES - Senior Debt (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($) number	Dec. 31, 2014
Debt Instrument [Line Items]
Credit Facility	$ 425.0
Consolidated Leverage Ratio	4.4
Consolidated Interest Coverage Ratio \| number	3.1
Weighted average interest rate under the senior debt	4.10%	4.00%
Minimum [Member]
Debt Instrument [Line Items]
Consolidated Interest Coverage Ratio \| number	2
Mandatory Prepayment Percentage	0.00%
Maximum [Member]
Debt Instrument [Line Items]
Consolidated Leverage Ratio	4.75
Mandatory Prepayment Percentage	50.00%
March 31 2016 or After \| Maximum [Member]
Debt Instrument [Line Items]
Consolidated Leverage Ratio	4.5
Revolving Credit Facility
Debt Instrument [Line Items]
Undrawn amount of the Revolver	$ 13.3
Line of Credit Facility, Amount Outstanding	26.0
Revolving Credit Facility \| Minimum [Member]
Debt Instrument [Line Items]
Credit Facility	40.0
Revolving Credit Facility \| Maximum [Member]
Debt Instrument [Line Items]
Credit Facility	50.0
Term Loan B
Debt Instrument [Line Items]
Credit Facility	375.0
Line of Credit Facility, Amount Outstanding	$ 242.8
Senior Debt Obligations \| Revolving Credit Facility
Debt Instrument [Line Items]
Commitment fee	0.50%
Senior Debt Obligations \| Revolving Credit Facility \| Libor Rate Plus
Debt Instrument [Line Items]
Variable rate	1.00%
Senior Debt Obligations \| Revolving Credit Facility \| Federal Rate Plus
Debt Instrument [Line Items]
Variable rate	0.50%
Senior Debt Obligations \| Revolving Credit Facility \| Minimum [Member] \| Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	4.50%
Senior Debt Obligations \| Revolving Credit Facility \| Minimum [Member] \| Base Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	3.50%
Senior Debt Obligations \| Revolving Credit Facility \| Maximum [Member] \| Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	5.00%
Senior Debt Obligations \| Revolving Credit Facility \| Maximum [Member] \| Base Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	4.00%
Senior Debt Obligations \| Term Loan B \| Libor Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	3.00%
Senior Debt Obligations \| Term Loan B \| Base Rate Plus
Debt Instrument [Line Items]
Variable rate plus fees	2.00%
Senior Debt Obligations \| Term Loan B \| Libor Rate Floor
Debt Instrument [Line Items]
Variable rate plus fees	1.00%