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STOCK-BASED COMPENSATION - Scientific Advisory Board Awards (Additional Information) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Deferred Compensation Arrangement With Employees And Non Employees Share Based Payments [Line Items]
Research and development	$ 34,974	$ 36,358	$ 70,220	$ 71,258
Employees And Non Employee Members Of Scientific Advisory Board [Member]
Deferred Compensation Arrangement With Employees And Non Employees Share Based Payments [Line Items]
Shares issued (in shares)			2,520	2,070
Research and development	$ 60	$ 60	$ 120	$ 118
Members of Scientific Advisory Board [Member]
Deferred Compensation Arrangement With Employees And Non Employees Share Based Payments [Line Items]
Fair value of shares issued			$ 300	$ 300

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