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v3.23.3

RESTRUCTURING CHARGES - Narrative (Details) |  | 3 Months Ended | 9 Months Ended
--- | --- | --- | ---
Apr. 26, 2023 employee | Sep. 30, 2023 USD ($) | Sep. 30, 2023 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | $ 5,337,000
April 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of employees eliminated in restructuring | employee | 110 |  |
Percentage of positions eliminated in restructuring | 23.00% |  |
Restructuring charges |  | $ 0 | 5,300,000
Research and development | April 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | 4,100,000
General and administrative | April 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Restructuring charges |  |  | $ 1,200,000
Full-Time Employees | April 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of employees eliminated in restructuring | employee | 55 |  |
Contracted Employees | April 2023 Restructuring Plan |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |
Number of employees eliminated in restructuring | employee | 55 |  |

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