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ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Revenues from Strategic Partnering Collaboration And Licensing Agreements (Details) - Revenue from contract with customer - Customer concentration risk	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Genentech, Inc.
Concentration Risk [Line Items]
Percentage of revenues	100.00%	0.00%	98.00%	0.00%
Kite Pharma Inc
Concentration Risk [Line Items]
Percentage of revenues	0.00%	58.00%	0.00%	11.00%
Biogen MA, Inc.
Concentration Risk [Line Items]
Percentage of revenues	0.00%	4.00%	0.00%	77.00%
Novartis Institutes For BioMedical Research Inc.
Concentration Risk [Line Items]
Percentage of revenues	0.00%	0.00%	0.00%	7.00%
Other license agreements
Concentration Risk [Line Items]
Percentage of revenues	0.00%	38.00%	2.00%	5.00%

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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