SEGMENT INFORMATION - Schedule of Segment Reporting Information, by Segment (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Share-based compensation expense (see Note 10)	$ 10,220	$ 12,688
Total operating expenses	93,938	55,969
Consolidated net loss	86,912	48,542
Research and development
Segment Reporting Information [Line Items]
Share-based compensation expense (see Note 10)	5,748	6,678
General and administrative
Segment Reporting Information [Line Items]
Share-based compensation expense (see Note 10)	4,472	6,010
Reportable Segment
Segment Reporting Information [Line Items]
Segment research and development expense	71,038	34,213
Segment general and administrative expense	12,564	8,923
Share-based compensation expense (see Note 10)	10,220	12,688
Total operating expenses	93,822	55,824
Other items	(6,910)	(7,282)
Consolidated net loss	$ 86,912	$ 48,542

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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