v3.25.2
Share-based Compensation - Schedule of Share Option Activity (Details) - 2023 LTIP [Member]
$ in Millions
12 Months Ended
Dec. 31, 2024
£ / shares
shares
Dec. 31, 2024
USD ($)
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]    
Number of options, Beginning balance | shares 10,612,649  
Number of share options Issued | shares 13,611,563  
Number of share options Exercised | shares 0  
Number of share options Cancelled/Forfeited | shares (587,296)  
Number of options, Ending balance | shares 23,636,916  
Number of share options Vested and exercisable | shares   17,559,511
Number of share options Vested and expected to vest | shares   23,636,916
Weighted average exercise price, Beginning balance | £ / shares £ 0.0001  
Weighted- Average Exercise Price Issued | £ / shares 0.0001  
Weighted- Average Exercise Price Exercised | £ / shares 0  
Weighted- Average Exercise Price Cancelled/Forfeited | £ / shares 0  
Weighted average exercise price, Ending balance | £ / shares 0.0001  
Weighted- Average Exercise Price Vested and exercisable | £ / shares 0.0001  
Weighted- Average Exercise Price Vested and expected to vest | £ / shares £ 0.0001  
Weighted- Average Remaining Contractual life Outstanding 6 years 1 month 6 days  
Weighted- Average Remaining Contractual life Vested and exercisable 4 years 8 months 12 days  
Weighted- Average Remaining Contractual life Vested and expected to vest 6 years 1 month 6 days  
Aggregate Intrinsic Value Outstanding | $   $ 3.8
Aggregate Intrinsic Value Vested and expected to vest | $   $ 3.8