v3.25.2
Document and Entity Information
Jun. 17, 2025
Document and Entity Information [Abstract]  
Document Type 8-K
Document Period End Date Jun. 17, 2025
Entity File Number 001-31756
Entity Registrant Name ARGAN, INC.
Entity Incorporation, State or Country Code DE
Entity Tax Identification Number 13-1947195
Entity Address, Address Line One 4075 Wilson Boulevard
Entity Address, Adress Line Two Suite 440
Entity Address, City or Town Arlington
Entity Address, State or Province VA
Entity Address, Postal Zip Code 22203
City Area Code 301
Local Phone Number 315-0027
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, $0.15 Par Value
Trading Symbol AGX
Security Exchange Name NYSE
Entity Emerging Growth Company false
Entity Central Index Key 0000100591
Amendment Flag false