Collaboration Agreement with AbbVie - Change in deferred revenue (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferral of revenue	$ 15,982
Recognition of unearned revenue	(14,018)
Collaboration agreement with AbbVie
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]
Deferral of revenue	30,000
Recognition of unearned revenue	(14,018)
Balance at the end of the period	$ 15,982