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COMMITMENTS AND CONTINGENCIES - Narrative (Details) $ in Thousands |  | 3 Months Ended | 12 Months Ended
--- | --- | --- | ---
Feb. 05, 2024 USD ($) | Jun. 30, 2024 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2024 USD ($) ft² | Dec. 31, 2023 USD ($)
Commitments And Contingencies [Line Items] |  |  |  |  |
Lessee, operating lease, required notice of termination | 30 days |  |  |  |
Lessee, required letter of credit outstanding, amount | $ 1,500 |  |  |  |
Lessee, operating lease, discount rate | 9.60% |  |  |  |
Lease liabilities | $ 1,900 |  |  | $ 5,579 | $ 5,037
Operating lease, payments |  |  |  | $ 7,500 | 7,300
Operating lease, weighted average remaining lease term |  |  |  | 5 years 2 months 12 days |
Operating lease, weighted average discount rate, percent |  |  |  | 7.70% |
Impairment losses of right-of-use assets |  | $ 900 | $ 2,000 | $ 2,900 | $ 28,900
License obligations |  |  |  | 500 |
Thermo Fisher Scientific Inc. |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |
Contractual obligation |  |  |  | $ 2,900 |
Minimum |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |
Lease agreement, extendable lease term |  |  |  | 5 years |
Maximum |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |
Lease agreement, extendable lease term |  |  |  | 10 years |
Richmond, California |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |
Reduction to right of use asset from lease modification | $ 1,900 |  |  |  |
Office and Laboratory | Richmond, California | Expires in August 2031 |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |
Area of space leased (in sqft) | ft² |  |  |  | 59,485 |
Office and Laboratory | Richmond, California | Expires in August 2026 |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |
Area of space leased (in sqft) | ft² |  |  |  | 7,700 |
Office and Laboratory | Brisbane, California |  |  |  |  |
Commitments And Contingencies [Line Items] |  |  |  |  |
Area of space leased (in sqft) | ft² |  |  |  | 103,089 |

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