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Collaboration agreements - Other Revenue (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Collaboration agreements
Collaboration revenue	$ 12,598,000	$ 7,698,000	$ 24,136,000	$ 26,154,000
Asana BioSciences | Limited services
Collaboration agreements
Collaboration revenue	$ 0	$ 0	$ 0	0
Asana BioSciences | Development milestone achieved
Collaboration agreements
Collaboration revenue				$ 2,500,000

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