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MAJOR CUSTOMERS, PARTNERSHIPS AND STRATEGIC ALLIANCES - Schedule of Disaggregation of Revenue (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Revenues	$ 581	$ 49,412	$ 25,324	$ 50,249
Genentech, Inc.
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Revenues	0	49,226	0	49,226
Genentech, Inc. | Recognition of license revenue
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Revenues	0	48,679	0	48,679
Genentech, Inc. | Research services
Research and Development Arrangement, Contract to Perform for Others [Line Items]
Revenues	$ 0	$ 547	$ 0	$ 547

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