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Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands |  | 3 Months Ended
--- | --- | ---
Mar. 07, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Stockholders' Equity Note [Abstract] |  |  |
Shares issued in a pre-closing funding (in shares) | 3,730,608 |  |
Issue price per share (in USD per share) | $ 8.21 |  |
Sale of common stock under Open Market Sales Agreement, net of issuance costs | $ 30,600 | $ 2,282 |
Issuance of common stock upon settlement of convertible promissory note, accrued interest, and related derivative liability (in shares) | 5,059,338 |  |
Issuance of common stock upon settlement of convertible promissory note, accrued interest, and related derivative liability | $ 35,000 |  | $ 42,447
Shares issued upon conversion of convertible preferred stock and exchangeable shares previously presented as noncontrolling interests (in shares) | 18,872,711 |  |
Issuance of common stock to Sesen Bio shareholders in reverse capitalization (in shares) | 10,374,272 |  |

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