v3.25.2
Document and Entity Information
Jul. 18, 2025
Cover [Abstract]  
Entity Registrant Name CECO ENVIRONMENTAL CORP.
Amendment Flag false
Entity Central Index Key 0000003197
Document Type 8-K
Document Period End Date Jul. 18, 2025
Entity Incorporation State Country Code DE
Entity File Number 000-7099
Entity Tax Identification Number 13-2566064
Entity Address, Address Line One 5080 Spectrum Drive
Entity Address, Address Line Two Suite 800E
Entity Address, City or Town Addison
Entity Address, State or Province TX
Entity Address, Postal Zip Code 75001
City Area Code 214
Local Phone Number 357-6181
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 CECO
Security Exchange Name NASDAQ
Entity Emerging Growth Company false