Share-Based Compensation - Restricted Share Units (Details)	12 Months Ended
	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2023 USD ($) £ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares
Number of Shares
Granted (in shares) | shares	2,560,916	2,560,916
Unvested and Outstanding, ending balance (in shares) | shares	3,416,101	3,416,101
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	$ 7.70		$ 10.00
Weighted Average Grant Date Fair Value, ending balance (in dollars per share) | $ / shares	$ 13.35
Restricted Stock Units (RSUs)
Number of Shares
Unvested and Outstanding, beginning balance (in shares) | shares	271,135	271,135
Granted (in shares) | shares	175,750	175,750
Vested (in shares) | shares	(96,177)	(96,177)
Forfeited (in shares) | shares	(30,505)	(30,505)
Unvested and Outstanding, ending balance (in shares) | shares	320,203	320,203	271,135
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, beginning balance (in dollars per share) | $ / shares	$ 12.23
Weighted Average Grant Date Fair Value, Granted (in dollars per share) | $ / shares	10.85
Weighted Average Grant Date Fair Value, Vested (in dollars per share) | $ / shares	11.48
Weighted Average Grant Date Fair Value, Forfeited (in dollars per share) | $ / shares	11.26
Weighted Average Grant Date Fair Value, ending balance (in dollars per share) | $ / shares	$ 11.79		$ 12.23
Unrecognized compensation cost | $	$ 3,000,000.0	$ 3,000,000.0	$ 2,600,000
Period for recognition (in years)	2 years 7 months 6 days	2 years 7 months 6 days	3 years
Exercise price (in pound sterling per share) | £ / shares		$ 0.01