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Segment Reporting - Summary of Group's Assets and Revenues by Location (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Dec. 31, 2024
Segment Reporting Information [Line Items]
Non-current assets	$ 15,508		$ 15,269
Research collaboration	142	$ 15,556
Royalties		143
Revenue	142	15,699
UK
Segment Reporting Information [Line Items]
Non-current assets	4,068		4,103
Research collaboration	142	15,556
Revenue	142	15,556
Germany
Segment Reporting Information [Line Items]
Non-current assets	$ 11,440		$ 11,166
Royalties		143
Revenue		$ 143

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