Condensed Consolidated Statements of Operations - Unaudited - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Revenue	$ 230	$ 0
Operating Expenses [Abstract]
Research and development	27,263	27,233
General and administrative	14,355	12,843
Total operating expenses	41,618	40,076
Operating loss	(41,388)	(40,076)
Interest income	4,027	4,843
Interest expense	0	(2)
Net loss before income taxes	(37,361)	(35,235)
Income tax (benefit) expense	591	98
Net loss before noncontrolling interest	(37,952)	(35,333)
Net loss attributable to noncontrolling interest	(21,218)	(25,841)
Net loss available to Class A ordinary shareholders	(16,734)	(9,492)
Common Class A [Member]
Operating Expenses [Abstract]
Net loss available to Class A ordinary shareholders	$ (16,734)	$ (9,492)
Weighted average Class A ordinary shares outstanding, Basic	128,976,366	60,951,721
Weighted average Class A ordinary shares outstanding, Diluted	128,976,366	60,951,721
Net loss per share attributable to Class A ordinary shares, Basic	$ (0.13)	$ (0.16)
Net loss per share attributable to Class A ordinary shares, Diluted	$ (0.13)	$ (0.16)

The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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Namespace Prefix:	us-gaap_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.