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ORGANIZATION, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Schedule of Percentage of Accounts Receivable by Collaboration Partners (Details) - Accounts Receivable - Accounts Receivable from Collaboration Agreements	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Sigma-Aldrich Corporation
Concentration Risk [Line Items]
Percentage of accounts receivable	78.00%	0.00%
Kite Pharma, Inc.
Concentration Risk [Line Items]
Percentage of accounts receivable	18.00%	19.00%
Novartis Institutes for BioMedical Research, Inc.
Concentration Risk [Line Items]
Percentage of accounts receivable	0.00%	59.00%
Biogen MA, Inc.
Concentration Risk [Line Items]
Percentage of accounts receivable	0.00%	14.00%

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