Unaudited Consolidated Statements of Operations and Comprehensive Loss - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Income Statement [Abstract]
Revenue	$ 19,692	$ 22,106	$ 32,230	$ 35,035
Operating expenses:
Research and development	40,393	33,314	73,840	64,293
General and administrative	14,296	12,265	27,845	24,500
Total operating expenses	54,689	45,579	101,685	88,793
Loss from operations	(34,997)	(23,473)	(69,455)	(53,758)
Other income, net:
Dividend income and interest income	2,092	2,251	4,627	4,124
Other income (expense), net	(18)	118	347	1,125
Total other income, net	2,074	2,369	4,974	5,249
Loss before income taxes	(32,923)	(21,104)	(64,481)	(48,509)
Income tax benefit (provision)	0	0	0	0
Net loss	$ (32,923)	$ (21,104)	$ (64,481)	$ (48,509)
Net loss per share attributable to ordinary shareholders basic	$ (0.25)	$ (0.2)	$ (0.5)	$ (0.47)
Net loss per share attributable to ordinary shareholders diluted	$ (0.25)	$ (0.2)	$ (0.5)	$ (0.47)
Weighted-average ordinary shares used in computing net loss per share attributable to ordinary shareholders basic	129,527,003	105,462,414	129,399,340	103,768,971
Weighted-average ordinary shares used in computing net loss per share attributable to ordinary shareholders diluted	129,527,003	105,462,414	129,399,340	103,768,971
Other comprehensive loss:
Net loss	$ (32,923)	$ (21,104)	$ (64,481)	$ (48,509)
Foreign currency translation	(81)	(100)	(155)	(121)
Comprehensive loss	$ (33,004)	$ (21,204)	$ (64,636)	$ (48,630)