v3.25.2
Cover Page - shares
 6 Months Ended
Jun. 30, 2025
Aug. 08, 2025
Document Information [Line Items]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 30, 2025  
Document Transition Report false  
Entity File Number 001-39378  
Entity Registrant Name ORIGIN MATERIALS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 87-1388928  
Entity Address, Address Line One 930 Riverside Parkway  
Entity Address, Address Line Two Suite 10  
Entity Address, City or Town West Sacramento,  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 95605  
City Area Code 916  
Local Phone Number 231-9329  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   149,898,813
Amendment Flag false  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q2  
Current Fiscal Year End Date --12-31  
Entity Central Index Key 0001802457  
Common Stock    
Document Information [Line Items]    
Title of 12(b) Security Common Stock, $0.0001 par value per share  
Trading Symbol ORGN  
Security Exchange Name NASDAQ  
Warrant    
Document Information [Line Items]    
Title of 12(b) Security Warrants  
Trading Symbol ORGNW  
Security Exchange Name NASDAQ