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Document and Entity Information
Jun. 04, 2026
Cover [Abstract]  
Entity Registrant Name AMERICAN VANGUARD CORP
Amendment Flag false
Entity Central Index Key 0000005981
Document Type 8-K
Document Period End Date Jun. 04, 2026
Entity Incorporation State Country Code DE
Entity File Number 001-13795
Entity Tax Identification Number 95-2588080
Entity Address, Address Line One 15440 Laguna Canyon Road
Entity Address, Address Line Two Suite 100
Entity Address, City or Town Irvine
Entity Address, State or Province CA
Entity Address, Postal Zip Code 92618
City Area Code (949)
Local Phone Number 260-1200
Written Communications false
Soliciting Material false
Pre Commencement Tender Offer false
Pre Commencement Issuer Tender Offer false
Security 12b Title Common Stock, $.10 par value
Trading Symbol AVD
Security Exchange Name NYSE
Entity Emerging Growth Company false