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DESCRIPTION OF BUSINESS (Details) - USD ($) |  |  |  |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | --- | --- | --- | ---
May 10, 2024 | Jan. 23, 2024 | Jan. 19, 2024 | Jun. 16, 2023 | Mar. 31, 2024 | Jun. 30, 2024 | Dec. 31, 2023
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Accumulated deficit |  |  |  |  |  | $ 304,785,000 | $ 244,763,000
Cash, cash equivalents and marketable securities |  |  |  |  |  | 511,800,000 |
Proceeds from issuance of common stock |  |  |  |  |  | $ 239,147,000 |
Underwriting discounts and commissions |  | $ 7,500,000 |  |  |  |  |
Offering expenses |  | $ 600,000 |  |  |  |  |
Issuance of common stock, net of offering costs |  |  |  |  | $ 238,799,000 |  |
Common Stock |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Shares issued |  |  |  |  | 22,450,206 |  |
Issuance of common stock, net of offering costs |  |  |  |  | $ 2,000 |  |
underwriters' option |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Shares issued |  | 21,818,182 |  |  |  |  |
Share price |  | $ 11.00 |  |  |  |  |
Gross proceeds |  | $ 240,000,000.0 |  |  |  |  |
Proceeds from issuance of common stock |  | $ 231,900,000 |  |  |  |  |
At-the-market program |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Shares issued |  |  | 7,560,068 |  |  |  |
Share price |  |  | $ 7.93 |  |  |  |
Gross proceeds |  |  | $ 59,900,000 |  |  |  |
Proceeds from issuance of common stock |  |  | 59,400,000 |  |  |  |
Underwriting discounts and commissions |  |  | 200,000 |  |  |  |
Offering expenses |  |  | $ 300,000 |  |  |  |
At-the-market program | BofA securities, Inc | Maximum |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Proceeds from issuance of common stock |  |  |  | $ 125,000,000 |  |  |
At-the-market program | Common Stock |  |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |  |
Maximum potential aggregate sales proceeds, sales agreement | $ 175,000,000 |  |  |  |  |  |

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