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Revenues - Additional Information (Detail 1) - Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-10-01 $ in Millions	9 Months Ended
	Sep. 30, 2025 USD ($)
Revenue From Contract With Customer [Line Items]
Revenue recognition of remaining performance obligations original expected period	1 year
Revenue recognition of remaining performance obligations amount	$ 0.4
Maximum [Member]
Revenue From Contract With Customer [Line Items]
Revenue recognition of remaining performance obligations original expected period	1 year
Implementation Fees and Professional Services [Member]
Revenue From Contract With Customer [Line Items]
Revenue recognition of remaining performance obligations original expected period	4 years
Subscription Software and Services [Member]
Revenue From Contract With Customer [Line Items]
Revenue recognition of remaining performance obligations original expected period	3 years
Revenue recognition of remaining performance obligations expected renewal period	1 year

X

- Definition

Revenue from contract with customer.

+ References

No definition available.

+ Details

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Namespace Prefix:	eex_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Revenue remaining performance obligation expected timing of renewal period.

+ References

No definition available.

+ Details

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Namespace Prefix:	eex_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of transaction price allocated to performance obligation that has not been recognized as revenue.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

+ Details

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

X

- Definition

Period in which remaining performance obligation is expected to be recognized as revenue, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)(1)
-SubTopic 10
-Topic 606
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479806/606-10-50-13

+ Details

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Balance Type:	na
Period Type:	instant

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: