Basis of presentation and summary of significant accounting policies - Schedule of Computation of Basic and Diluted Net Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Accounting Policies [Abstract]
Net loss attributable to common shareholders, basic	$ (42,744)	$ (5,854)	$ (66,092)	$ (60,254)
Change in fair value of 2022 USD Financing Warrants	2,228	(13,445)	(4,771)	19,448
Net loss attributable to common shareholders, diluted	$ (42,744)	$ (19,299)	$ (70,863)	$ (60,254)
Weighted-average pre-funded warrants used in computing net loss per share attributable to common shareholders, basic	9,753,775		9,753,775
Weighted-average shares used in computing net loss per share attributable to common shareholders, basic	75,593,902	71,912,323	75,454,764	59,886,540
Total weighted-average shares used in computing net loss per share attributable to common shareholders, basic	85,347,677	71,912,323	85,208,539	59,886,540
Incremental shares from 2022 USD Financing Warrants		3,391,778	1,890,467
Total weighted-average shares used in computing net loss per share attributable to common shareholders, diluted	85,347,677	75,304,101	87,099,006	59,886,540
Basic	$ (0.5)	$ (0.08)	$ (0.78)	$ (1.01)
Diluted	$ (0.5)	$ (0.26)	$ (0.81)	$ (1.01)