XML 36 R1.htm IDEA: XBRL DOCUMENT v3.21.1
Document and Entity Information
 12 Months Ended
Dec. 31, 2020
shares
Cover [Abstract]  
Entity Registrant Name Immunocore Holdings plc
Entity Central Index Key 0001671927
Document Type 20-F
Amendment Flag false
Document Annual Report true
Current Fiscal Year End Date --12-31
Document Period End Date Dec. 31, 2020
Document Fiscal Year Focus 2020
Document Fiscal Period Focus FY
Document Transition Report false
Document Shell Company Report false
Entity Address, Country GB
Entity Common Stock, Shares Outstanding 31,782,885
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Filer Category Non-accelerated Filer
Entity Emerging Growth Company true
Entity Ex Transition Period false
Entity Shell Company false