v3.25.2
Financial instruments - Additional Information (Details)
$ / shares in Units, £ in Thousands
Dec. 23, 2024
USD ($)
shares
Dec. 16, 2021
USD ($)
shares
Dec. 15, 2021
USD ($)
Jun. 30, 2025
USD ($)
Jun. 30, 2025
GBP (£)
Jan. 24, 2025
$ / shares
Dec. 31, 2024
USD ($)
Dec. 31, 2024
GBP (£)
Dec. 15, 2024
Disclosure of financial liabilities [line items]                  
Share Price | $ / shares           $ 5.6      
Convertible senior secured notes                  
Disclosure of financial liabilities [line items]                  
Convertible Senior Secured Notes Principal Amount $ 1,000                
Principal amount outstanding       $ 138,006,551     $ 130,194,859    
Aggregate purchase price     $ 192,000,000            
Convertible senior secured notes | Interest paid in-kind and semi-annually in arrears                  
Disclosure of financial liabilities [line items]                  
Interest rate                 12.00%
Convertible senior secured notes | Interest paid in cash                  
Disclosure of financial liabilities [line items]                  
Interest rate                 10.00%
Convertible senior secured notes | First half of principal amount                  
Disclosure of financial liabilities [line items]                  
Principal amount converted $ 130,194,859                
Convertible senior secured notes | Remaining half of principal amount                  
Disclosure of financial liabilities [line items]                  
Conversion rate | shares 285.714                
Financial liabilities at fair value through profit and loss category                  
Disclosure of financial liabilities [line items]                  
Carrying Value | £         £ 240,480     £ 524,676  
Financial liabilities at fair value through profit and loss category | Convertible senior secured notes                  
Disclosure of financial liabilities [line items]                  
Carrying Value | £         239,776     524,242  
Convertible senior secured notes                  
Disclosure of financial liabilities [line items]                  
Borrowings, term   5 years              
Conversion rate | shares   90.9091              
Convertible Senior Secured Notes Principal Amount   $ 1,000              
Carrying Value | £         £ 239,776     £ 524,242  
Convertible senior secured notes | Interest paid in-kind and semi-annually in arrears                  
Disclosure of financial liabilities [line items]                  
Interest rate   9.00%              
Convertible senior secured notes | Interest paid in cash                  
Disclosure of financial liabilities [line items]                  
Interest rate   7.00%              
Convertible senior secured notes | First half of principal amount                  
Disclosure of financial liabilities [line items]                  
Conversion ratio in shares per 1000 dollar | shares 363.636