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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	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2025
Eli Lilly
Concentration Risk [Line Items]
Percentage of revenues	98.00%	73.00%
Pfizer Inc.
Concentration Risk [Line Items]
Percentage of revenues	0.00%	20.00%
Other license agreements
Concentration Risk [Line Items]
Percentage of revenues	2.00%	7.00%

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