Summary of significant accounting policies- Summary of property and equipment - useful lives (Details)	Dec. 31, 2025
Laboratory equipment
Property Plant And Equipment [Line Items]
Estimated useful life	5 years
Computer equipment
Property Plant And Equipment [Line Items]
Estimated useful life	3 years
Office equipment, furniture and fixtures
Property Plant And Equipment [Line Items]
Estimated useful life	5 years

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 7A
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478964/842-20-50-7A

Name:	us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration