XML 10 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Cover Page - shares
 3 Months Ended
Mar. 31, 2021
May 16, 2021
Document Information [Line Items]    
Document Type 10-Q  
Amendment Flag false  
Document Fiscal Year Focus 2021  
Document Period End Date Mar. 31, 2021  
Document Fiscal Period Focus Q1  
Current Fiscal Year End Date --12-31  
Document Transition Report false  
Document Quarterly Report true  
Entity Registrant Name Artius Acquisition Inc.  
Entity Central Index Key 0001802457  
Entity Filer Category Non-accelerated Filer  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Title of 12(b) Security Class A ordinary shares, par value $0.0001 per share  
Trading Symbol AACQ  
Security Exchange Name NASDAQ  
Entity Incorporation, State or Country Code E9  
Entity Small Business true  
Entity Emerging Growth Company true  
Entity Ex Transition Period false  
Entity Shell Company true  
Entity Address, State or Province NY  
Capital Units    
Document Information [Line Items]    
Title of 12(b) Security Units, each consisting of one Class A ordinary share, par value $0.0001 per share, and one-third of one redeemable warrant  
Trading Symbol AACQU  
Security Exchange Name NASDAQ  
Warrant    
Document Information [Line Items]    
Title of 12(b) Security Redeemable warrants, each whole warrant exercisable for one Class A ordinary share at an exercise price of $11.50 per share  
Trading Symbol AACQW  
Security Exchange Name NASDAQ  
Class A ordinary shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   72,450,000
Class B ordinary shares    
Document Information [Line Items]    
Entity Common Stock, Shares Outstanding   18,112,500