Accounts receivable from third parties under joint sales agreement with related party.

No definition available.

Name:	evc_AccountsReceivableFromThirdPartiesUnderJointSalesAgreementWithRelatedParty
Namespace Prefix:	evc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Affiliate advertising minutes per hour for which entity has right to sell.

+ References

No definition available.

+ Details

Name:	evc_AffiliateAdvertisingMinutesPerHourForWhichEntityHasRightToSell
Namespace Prefix:	evc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

Carriage cost.

+ References

No definition available.

+ Details

Name:	evc_CarriageCost
Namespace Prefix:	evc_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Definition

Company common stock owned by related party on fully converted basis.

+ References

No definition available.

+ Details

Name:	evc_CompanyCommonStockOwnedByRelatedPartyOnFullyConvertedBasis
Namespace Prefix:	evc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Conversion between classes of common stock number of shares converted per share.

+ References

No definition available.

+ Details

Name:	evc_ConversionBetweenClassesOfCommonStockNumberOfSharesConvertedPerShare
Namespace Prefix:	evc_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of marketing and sales agreements.

+ References

No definition available.

+ Details

Name:	evc_NumberOfMarketingAndSalesAgreements
Namespace Prefix:	evc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Number of markets involved in sales and marketing.

+ References

No definition available.

+ Details

Name:	evc_NumberOfMarketsInvolvedInSalesAndMarketing
Namespace Prefix:	evc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

- Definition

Ownership percentage held.

+ References

No definition available.

+ Details

Name:	evc_OwnershipPercentageHeld
Namespace Prefix:	evc_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

- Definition

Retransmission consent revenue.

+ References

No definition available.

+ Details

Name:	evc_RetransmissionConsentRevenue
Namespace Prefix:	evc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- 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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(i))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(c)(2)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 946
-SubTopic 220
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.6-07(2)(g)(3))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147483575/946-220-S99-1

+ Details

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

- Details

Name:	dei_LegalEntityAxis=evc_LatvNetworksLlcMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evc_TelevisaUnivisionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RelatedPartyTransactionsByRelatedPartyAxis=evc_UniMasMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_RangeAxis=srt_MinimumMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

Related-Party Transactions - Additional Information (Detail) $ in Millions	12 Months Ended
	Dec. 31, 2023 USD ($) Agreement Market shares	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Related Party Transaction [Line Items]
Number of Class A common stock shares converted \| shares	1
Retransmission consent revenue	$ 36.6	$ 36.0	$ 37.0
Fees paid for carriage of programming	$ 0.0
LATV
Related Party Transaction [Line Items]
Stock ownership percentage	15.00%
TelevisaUnivision
Related Party Transaction [Line Items]
Number of marketing and sales agreements \| Agreement	2
Number of markets involved in sales and marketing \| Market	3
Common stock percentage held by Univision	10.00%
Retransmission consent revenue	$ 25.5	24.9	$ 25.9
Accounts receivable from third parties	$ 0.3	$ 0.5
UniMas
Related Party Transaction [Line Items]
Affiliate advertising minutes per hour for which entity has right to sell	4 minutes 30 seconds
Minimum \| TelevisaUnivision
Related Party Transaction [Line Items]
Affiliate advertising minutes per hour for which entity has right to sell	4 minutes