v3.26.1
Document and Entity Information
Jun. 01, 2026
Cover [Abstract]  
Document Type 8-K
Document Period End Date Jun. 01, 2026
Entity Registrant Name Enviri Corp
Entity Incorporation State Country Code DE
Entity File Number 001-03970
Entity Tax Identification Number 23-1483991
Entity Address Address Line 1 Two Logan Square
Entity Address Address Line 2 100-120 North 18th Street
Entity Address Address Line 3 17th Floor
Entity Address City Or Town Philadelphia
Entity Address State Or Province PA
Entity Address Postal Zip Code 19103
City Area Code 267
Local Phone Number 857-8715
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, par value $1.25 per share
Trading Symbol NVRI
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0000045876
Amendment Flag false