XML 19 R1.htm IDEA: XBRL DOCUMENT v3.25.1
Cover - USD ($)
 12 Months Ended
Jan. 31, 2025
Mar. 27, 2025
Jul. 31, 2024
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Transition Report false    
Document Financial Statement Error Correction [Flag] false    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag true    
Amendment Flag false    
Document Period End Date Jan. 31, 2025    
Document Fiscal Year Focus 2024    
Document Fiscal Period Focus FY    
Documents Incorporated by Reference [Text Block]

Documents Incorporated by Reference

Portions of REX American Resources Corporation’s definitive Proxy Statement for its Annual Meeting of Shareholders on June 4, 2025 are incorporated by reference into Part III of this Form 10-K.

    
Entity Information [Line Items]      
Entity Registrant Name REX AMERICAN RESOURCES CORPORATION    
Entity Central Index Key 0000744187    
Entity File Number 001-09097    
Entity Tax Identification Number 31-1095548    
Entity Incorporation, State or Country Code DE    
Current Fiscal Year End Date --01-31    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Shell Company false    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Public Float     $ 786,096,804
Entity Contact Personnel [Line Items]      
Entity Address, Address Line One 7720 Paragon Road    
Entity Address, City or Town Dayton    
Entity Address, State or Province OH    
Entity Address, Postal Zip Code 45459    
Entity Phone Fax Numbers [Line Items]      
City Area Code 937    
Local Phone Number 276-3931    
Entity Listings [Line Items]      
Title of 12(b) Security Common Stock, $.01 par value    
Trading Symbol REX    
Security Exchange Name NYSE    
Entity Common Stock, Shares Outstanding   17,012,776