Share-Based Compensation - Restricted Share Units (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($) $ / shares shares	Dec. 31, 2024 USD ($) £ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares
Number of Shares
Granted (in shares) | shares	2,974,472	2,974,472
Unvested and Outstanding, ending balance (in shares) | shares	3,408,222	3,408,222
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	$ 7.00		$ 7.70
Weighted Average Grant Date Fair Value, ending balance (in dollars per share) | $ / shares	$ 10.14
Restricted Stock Units (RSUs)
Number of Shares
Unvested and Outstanding, beginning balance (in shares) | shares	320,203	320,203
Granted (in shares) | shares	518,868	518,868
Vested (in shares) | shares	(107,644)	(107,644)
Forfeited (in shares) | shares	(72,874)	(72,874)
Unvested and Outstanding, ending balance (in shares) | shares	658,553	658,553	320,203
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, beginning balance (in dollars per share) | $ / shares	$ 11.79
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	10.72
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares	11.72
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	11.79
Weighted Average Grant Date Fair Value, ending balance (in dollars per share) | $ / shares	$ 10.96		$ 11.79
Unrecognized compensation cost | $	$ 5.5	$ 5.5	$ 3.0
Period for recognition (in years)	2 years 9 months 18 days	2 years 9 months 18 days	2 years 7 months 6 days
Exercise price (in pound sterling per share) | £ / shares		$ 0.01