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Document and Entity Information
Dec. 16, 2025
Cover [Abstract]  
Amendment Flag false
Entity Central Index Key 0001579214
Document Type 8-K
Document Period End Date Dec. 16, 2025
Entity Registrant Name Emerald Holding, Inc.
Entity Incorporation State Country Code DE
Entity File Number 001-38076
Entity Tax Identification Number 42-1775077
Entity Address, Address Line One 100 Broadway
Entity Address, Address Line Two 14th Floor
Entity Address, City or Town New York
Entity Address, State or Province NY
Entity Address, Postal Zip Code 10005
City Area Code (949)
Local Phone Number 226-5700
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $0.01 per share
Trading Symbol EEX
Security Exchange Name NYSE
Entity Emerging Growth Company false