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STOCK-BASED COMPENSATION - Scientific Advisory Board Awards (Additional Information) (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Deferred Compensation Arrangement With Employees And Non Employees Share Based Payments [Line Items] |  |
Research and development | $ 35,246,000 | $ 34,900,000
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 | $ 60,000 | $ 59,000
Members of Scientific Advisory Board [Member] |  |
Deferred Compensation Arrangement With Employees And Non Employees Share Based Payments [Line Items] |  |
Fair value of shares issued | $ 300,000 | $ 300,000

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