Revenues - Additional Information (Detail 1) $ in Millions	3 Months Ended
Mar. 31, 2026 USD ($)
Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-04-01
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	$ 1.4
Maximum [Member] \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-04-01
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, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2025-10-01
Revenue From Contract With Customer [Line Items]
Revenue recognition of remaining performance obligations original expected period	4 years
Implementation Fees and Professional Services [Member] \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-04-01
Revenue From Contract With Customer [Line Items]
Revenue recognition of remaining performance obligations original expected period	4 years
Subscription Software and Services [Member] \| Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date: 2026-04-01
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

Revenue from contract with customer.

No definition available.

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

- Definition

Revenue remaining performance obligation expected timing of renewal period.

+ References

No definition available.

+ Details

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

- 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

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

- 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

Name:	us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1
Namespace Prefix:	us-gaap_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	instant

- Details

Name:	us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2026-04-01
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

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

- Details

Name:	srt_ProductOrServiceAxis=eex_ImplementationFeesAndProfessionalServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	us-gaap_RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionStartDateAxis=2025-10-01
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

- Details

Name:	srt_ProductOrServiceAxis=eex_SubscriptionSoftwareAndServicesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: