XML 41 R34.htm IDEA: XBRL DOCUMENT v3.25.3

The Company and Significant Accounting Policies - Concentrations of Credit Risk and Trade Receivables - Additional Information (Detail) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) AdvertisingCustomer Advertiser	Sep. 30, 2024 USD ($) AdvertisingCustomer	Sep. 30, 2025 USD ($) AdvertisingCustomer Advertiser	Sep. 30, 2024 USD ($) AdvertisingCustomer	Dec. 31, 2024 Advertiser
Accounting Policies [Line Items]
Number of advertisers represent more than five percent of trade receivables | Advertiser	0		0		0
Number of advertising customer represented more than five percent of revenue | AdvertisingCustomer	0	0	0	0
Estimated losses for bad debts	$ 0.5	$ 0.2	$ 1.0	$ 0.8
Bad debts actually charged off	$ 0.8	$ 0.1	$ 1.3	$ 0.3

X

- Definition

Accounting policies.

+ References

No definition available.

+ Details

Name:	evc_AccountingPoliciesLineItems
Namespace Prefix:	evc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of advertisers represent more than five percent of trade receivables.

+ References

No definition available.

+ Details

Name:	evc_NumberOfAdvertisersRepresentMoreThanFivePercentOfTradeReceivables
Namespace Prefix:	evc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Number of advertising customer represented more than five percent of revenue.

+ References

No definition available.

+ Details

Name:	evc_NumberOfAdvertisingCustomerRepresentedMoreThanFivePercentOfRevenue
Namespace Prefix:	evc_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of direct write-downs of accounts receivable charged against the allowance.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

+ Details

Name:	us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of expense (reversal of expense) for expected credit loss on accounts receivable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(5))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2

+ Details

Name:	us-gaap_ProvisionForDoubtfulAccounts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration