Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating expenses:
Research and development	$ 94,587	$ 58,080
General and administrative	19,885	13,112
Total operating expenses	114,472	71,192
Loss from operations	(114,472)	(71,192)
Other income (expense), net:
Interest income	21,666	10,393
Grant income	126	654
Realized gains on marketable securities	22	0
Foreign currency transaction losses	(2,362)	(317)
Total other income, net	19,452	10,730
Net loss	$ (95,020)	$ (60,462)
Net loss per share, basic (in dollars per share)	$ (0.85)	$ (0.70)
Net loss per share, diluted (in dollars per share)	$ (0.85)	$ (0.70)
Weighted-average shares outstanding, basic (in shares)	111,690,951	86,206,817
Weighted-average shares outstanding, diluted (in shares)	111,690,951	86,206,817