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v3.23.2

Revenues - Summary of Deferred Revenue (Detail) $ in Thousands | 6 Months Ended
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Jun. 30, 2023 USD ($)
Revenue from Contract with Customer [Abstract] |
Beginning Balance | $ 7,175
Increase | 7,080
Decrease | (7,175)
Ending Balance | $ 7,080

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- Definition Decrease in contract with customer liability. + References No definition available. + Details
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Balance Type: | debit
Period Type: | duration

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- Definition Increase in contract with customer liability. + References No definition available. + Details
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Namespace Prefix: | evc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 8 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479806/606-10-50-8 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 606 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479837/606-10-45-2 + Details
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Namespace Prefix: | us-gaap_
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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