XML 161 R145.htm IDEA: XBRL DOCUMENT v3.22.2
Business disposal (Details) - GBP (£)
£ in Thousands
Oct. 31, 2021
Dec. 31, 2021
Vertical Advanced Engineering Ltd    
Disclosure of detailed information about business combination [line items]    
Net assets   £ 102
Vertical Advanced Engineering Ltd    
Disclosure of detailed information about business combination [line items]    
Percentage of ownership interest disposed 100.00%