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Segment Reporting - Summary of Group's Assets and Revenues by Location (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Segment Reporting Information [Line Items]
Non-current assets	$ 15,269	$ 16,298
Research collaboration	43,114	30,934	$ 20,940
Royalties	144	709	715
Revenue	43,258	31,643	21,655
UK
Segment Reporting Information [Line Items]
Non-current assets	4,103	4,467
Research collaboration	43,114	30,934	20,940
Revenue	43,114	30,934	20,940
Germany
Segment Reporting Information [Line Items]
Non-current assets	11,166	11,831
Royalties	144	709	715
Revenue	$ 144	$ 709	$ 715

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