Share-Based Compensation - Restricted Share Units (Details) - USD ($) $ / shares in Units, $ in Millions	6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Number of Shares
Granted (in shares)	2,365,866
Unvested and Outstanding, ending balance (in shares)	4,180,803
Weighted Average Grant Date Fair Value
Granted (in dollars per share)	$ 7.92	$ 10.67
Weighted Average Grant Date Fair Value, ending balance (in dollars per share)	$ 14.35
Restricted Stock Units (RSUs)
Number of Shares
Unvested and Outstanding, beginning balance (in shares)	271,135
Granted (in shares)	175,750
Vested (in shares)	(42,518)
Forfeited (in shares)	(11,506)
Unvested and Outstanding, ending balance (in shares)	392,861		271,135
Weighted Average Grant Date Fair Value
Weighted Average Grant Date Fair Value, beginning balance (in dollars per share)	$ 12.23
Granted (in dollars per share)	10.85
Vested (in dollars per share)	11.84
Forfeited (in dollars per share)	11.79
Weighted Average Grant Date Fair Value, ending balance (in dollars per share)	$ 11.67		$ 12.23
Unrecognized compensation cost	$ 3.9		$ 2.6
Period for recognition (in years)	3 years		3 years
Exercise price (in pound sterling per share) (less than)	$ 0.01		$ 0.01