Nature of the business (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accumulated deficit	$ 665,140	$ 482,747
Net loss	$ 182,393	$ 125,373	$ 78,882