v3.26.1
Loans from related parties - Additional Information (Details)
$ / shares in Units, £ in Thousands
Dec. 23, 2024
USD ($)
$ / shares
shares
Dec. 23, 2024
GBP (£)
shares
Dec. 15, 2021
USD ($)
shares
Dec. 15, 2021
GBP (£)
Dec. 31, 2025
GBP (£)
Jan. 24, 2025
$ / shares
Dec. 15, 2024
Dec. 15, 2021
GBP (£)
shares
Loans from related parties                
Share Price | $ / shares           $ 5.6    
Convertible senior secured notes                
Loans from related parties                
Aggregate purchase price     $ 192,000,000 £ 145,000        
Convertible senior secured notes | Level 3                
Loans from related parties                
Carrying Value | £         £ 188,526      
Interest paid in cash | Convertible senior secured notes                
Loans from related parties                
Interest rate             10.00%  
Interest paid in-kind and semi-annually in arrears | Convertible senior secured notes                
Loans from related parties                
Interest rate             12.00%  
First half of principal amount | Convertible senior secured notes                
Loans from related parties                
Conversion rate 363.636              
Remaining half of principal amount | Convertible senior secured notes                
Loans from related parties                
Conversion rate 285.714              
Convertible senior secured notes                
Loans from related parties                
Ordinary shares 47,343,585 47,343,585            
Market value per share | $ / shares $ 7.42              
Convertible senior secured notes | Interest paid in-kind and semi-annually in arrears                
Loans from related parties                
Interest rate     9.00%         9.00%
Convertible senior secured notes | First half of principal amount                
Loans from related parties                
Conversion price (Per share price) | $ / shares $ 2.75              
Principal amount $ 130,000,000 £ 104,000            
Convertible senior secured notes | Mudrick capital | Interest paid in cash                
Loans from related parties                
Interest rate 10.00%              
Convertible senior secured notes | Mudrick capital | Interest paid in-kind and semi-annually in arrears                
Loans from related parties                
Interest rate 12.00%              
Convertible senior secured notes | Mudrick capital | First half of principal amount                
Loans from related parties                
Conversion price (Per share price) | $ / shares $ 2.75              
Conversion rate 363.636              
Convertible senior secured notes principal amount, per instrument | $ $ 1,000              
Convertible senior secured notes | Mudrick capital | Remaining half of principal amount                
Loans from related parties                
Conversion price (Per share price) | $ / shares $ 3.5              
Conversion rate 285.714              
Convertible senior secured notes principal amount, per instrument | $ $ 1,000              
Convertible senior secured notes | Mudrick capital                
Loans from related parties                
Aggregate purchase price     $ 192,000,000 £ 145,000        
Principal amount     $ 200,000,000         £ 151,000
Conversion rate     9.09091         9.09091
Convertible senior secured notes principal amount, per instrument | $     $ 1,000          
Convertible senior secured notes | Mudrick capital | Interest paid in cash                
Loans from related parties                
Interest rate 10.00%              
Convertible senior secured notes | Mudrick capital | Interest paid in-kind and semi-annually in arrears                
Loans from related parties                
Interest rate 12.00%              
Convertible senior secured notes | Mudrick capital | First half of principal amount                
Loans from related parties                
Conversion price (Per share price) | $ / shares $ 2.75              
Conversion rate 363.636              
Convertible senior secured notes principal amount, per instrument | $ $ 1,000              
Convertible senior secured notes | Mudrick capital | Remaining half of principal amount                
Loans from related parties                
Conversion price (Per share price) | $ / shares $ 3.5              
Conversion rate 285.714              
Convertible senior secured notes principal amount, per instrument | $ $ 1,000