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REVENUE FROM CONTRACTS WITH CUSTOMERS - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Disaggregation of Revenue [Line Items]
Total revenue from Takeda	$ 243,864	$ 0
License revenue
Disaggregation of Revenue [Line Items]
Total revenue from Takeda	205,355	0
Service revenue
Disaggregation of Revenue [Line Items]
Total revenue from Takeda	$ 38,509	$ 0

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