Quarterly report pursuant to Section 13 or 15(d)

Cover

v3.20.2
Cover - shares
 9 Months Ended
Sep. 30, 2020
Oct. 28, 2020
Cover [Abstract]    
Entity Registrant Name UR-ENERGY INC.  
Entity Central Index Key 0001375205  
Document Type 10-Q  
Amendment Flag false  
Current Fiscal Year End Date --12-31  
Entity Small Business true  
Entity Shell Company false  
Entity Emerging Growth Company false  
Entity Current Reporting Status Yes  
Document Period End Date Sep. 30, 2020  
Entity Filer Category Accelerated Filer  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2020  
Entity Common Stock Shares Outstanding   169,667,672
Document Quarterly Report true  
Document Transition Report false  
Entity File Number 001-33905  
Entity Incorporation State Country Code Z4  
Entity Tax Identification Number 00-0000000  
Entity Address Address Line 1 10758 West Centennial Road  
Entity Address Address Line 2 Suite 200  
Entity Address City Or Town Littleton  
Entity Address Postal Zip Code 80127  
City Area Code 720  
Local Phone Number 981-4588  
Security 12b Title Common stock  
Trading Symbol URG  
Entity Interactive Data Current Yes  
Security Exchange Name NYSE  
Entity Address State Or Province CO