Loan term.

No definition available.

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

- Definition

Remaining Variable Interest Rate Ownership Percentage

+ References

No definition available.

+ Details

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

- Definition

Date when the acquirer obtains control of the acquiree, in YYYY-MM-DD format.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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-URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

Name:	us-gaap_BusinessAcquisitionEffectiveDateOfAcquisition1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
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-URI https://asc.fasb.org/extlink&oid=79982066&loc=d3e1392-128463

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- Definition

Face (par) amount of debt instrument at time of issuance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 470
-SubTopic 20
-Section 50
-Paragraph 1B
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+ Details

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

- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

+ References

+ Details

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	instant

- 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/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
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+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

- Definition

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

+ References

No definition available.

+ Details

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

- Details

Name:	us-gaap_BusinessAcquisitionAxis=evc_AdsmuraiAcquisitionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_StatementScenarioAxis=srt_ScenarioForecastMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ConsolidatedEntitiesAxis=evc_AdsmuraiSLMember
Namespace Prefix:
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Balance Type:
Period Type:

Subsequent Events - Additional Information (Details) $ in Millions	Apr. 03, 2023 USD ($)	Apr. 03, 2023 EUR (€)	Aug. 05, 2022 USD ($)	Mar. 31, 2025	Mar. 31, 2024	Apr. 03, 2023 EUR (€)	Aug. 05, 2022 EUR (€)
Adsmurai Acquisition
Subsequent Event [Line Items]
Business acquisition date	Apr. 03, 2023	Apr. 03, 2023
Adsmurai Acquisition \| Scenario Forecast
Subsequent Event [Line Items]
Ownership interest acquired				10.00%	10.00%
Adsmurai Acquisition \| Subsequent Event
Subsequent Event [Line Items]
Ownership interest acquired	51.00%					51.00%
Aggregate cash consideration	$ 14.2	€ 13,000,000.0
Adsmurai
Subsequent Event [Line Items]
Principal amount			$ 12.8				€ 12,535,000
Loan term			2 years
Loan annual interest rate			5.00%				5.00%
Adsmurai \| Subsequent Event
Subsequent Event [Line Items]
Principal amount	$ 8.1					€ 7,355,500
Remaining interest owned percentage	49.00%	49.00%
Loan term	2 years	2 years
Loan annual interest rate	5.00%					5.00%