v3.25.0.1
Loans from related parties - Additional Information (Details)
$ / shares in Units, £ in Thousands
Dec. 23, 2024
USD ($)
$ / shares
shares
Dec. 23, 2023
USD ($)
$ / shares
shares
Dec. 15, 2021
USD ($)
Dec. 31, 2024
GBP (£)
Dec. 23, 2024
GBP (£)
shares
Dec. 15, 2024
Convertible senior secured notes            
Disclosure of detailed information about borrowings [line items]            
Aggregate purchase price | $     $ 192,000,000      
Convertible senior secured notes | Level 3            
Disclosure of detailed information about borrowings [line items]            
Carrying Value | £       £ 524,242 £ 574,476  
Market value per share | $ / shares $ 7.42          
Interest paid in cash | Convertible senior secured notes            
Disclosure of detailed information about borrowings [line items]            
Interest rate           10.00%
Interest paid in-kind and semi-annually in arrears | Convertible senior secured notes            
Disclosure of detailed information about borrowings [line items]            
Interest rate           12.00%
First half of principal amount | Convertible senior secured notes            
Disclosure of detailed information about borrowings [line items]            
Conversion rate | shares 363.636       363.636  
Remaining half of principal amount | Convertible senior secured notes            
Disclosure of detailed information about borrowings [line items]            
Conversion rate | shares 285.714       285.714  
Convertible senior secured notes            
Disclosure of detailed information about borrowings [line items]            
Ordinary shares | shares 47,343,585          
Market value per share | $ / shares $ 7.42          
Convertible senior secured notes | Interest paid in-kind and semi-annually in arrears            
Disclosure of detailed information about borrowings [line items]            
Interest rate     9.00%      
Convertible senior secured notes | First half of principal amount            
Disclosure of detailed information about borrowings [line items]            
Conversion price (Per share price) | $ / shares $ 2.75          
Conversion rate | shares 363.636       363.636  
Convertible senior secured notes principal amount, per instrument | $ $ 1,000          
Original Debt, Amount | $ $ 130,000,000          
Convertible senior secured notes | Mudrick capital            
Disclosure of detailed information about borrowings [line items]            
Conversion price (Per share price) | $ / shares   $ 2.75        
Original Debt, Amount | $   $ 130,000,000        
Ordinary shares | shares   47,343,585        
Market value per share | $ / shares   $ 7.42        
Convertible senior secured notes | Mudrick capital | Interest paid in cash            
Disclosure of detailed information about borrowings [line items]            
Interest rate 10.00%       10.00%  
Convertible senior secured notes | Mudrick capital | Interest paid in-kind and semi-annually in arrears            
Disclosure of detailed information about borrowings [line items]            
Interest rate 12.00%       12.00%  
Convertible senior secured notes | Mudrick capital | First half of principal amount            
Disclosure of detailed information about borrowings [line items]            
Conversion price (Per share price) | $ / shares $ 2.75          
Conversion rate | shares 363.636       363.636  
Convertible senior secured notes principal amount, per instrument | $ $ 1,000          
Convertible senior secured notes | Mudrick capital | Remaining half of principal amount            
Disclosure of detailed information about borrowings [line items]            
Conversion price (Per share price) | $ / shares $ 3.5          
Conversion rate | shares 285.714       285.714  
Convertible senior secured notes principal amount, per instrument | $ $ 1,000