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Shareholders' Equity - Narrative (Details) - USD ($) $ / shares in Units, $ in Thousands |  |  |  | 1 Months Ended | 3 Months Ended | 9 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Oct. 02, 2024 | Apr. 22, 2024 | Jan. 07, 2024 | May 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Sep. 30, 2024 | Sep. 30, 2024 | Sep. 30, 2024 | Aug. 31, 2024 | May 01, 2024 | Oct. 31, 2023
Purchase Agreement, Knopp Amendment |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of business [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued (shares) |  |  |  | 1,872,874 |  |  |  |  |  |  |  |  |
Issuance of common shares, net of offering costs |  |  |  | $ 65,981 |  |  |  |  |  |  |  |  |
Pyramid Biosciences, Inc. |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of business [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Upfront payment of common shares, shares (in shares) |  |  | 255,794,000 |  |  |  |  |  |  |  |  |  |
Upfront payment of common shares, value |  |  | $ 10,894 |  |  |  |  |  |  |  |  |  |
Upfront payment of common shares, shares issued (in shares) |  |  |  |  |  |  |  | 253,838,000 |  |  |  |  |
Research and development |  |  |  |  |  |  | $ 5,689 |  |  |  |  |  |
Common shares issuable (in shares) |  |  |  |  |  |  | 98,129 |  |  |  |  |  |
Common shares issued (in shares) |  |  |  |  |  |  |  |  | 97,387 |  |  |  |
Common Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of business [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued (shares) |  |  |  |  | 2,154,857 | 8,544,951 |  |  |  |  |  |  |
Issuance of common shares, net of offering costs |  |  |  |  | $ 76,361 | $ 317,720 |  |  |  |  |  |  |
Number of shares sold in transaction (in shares) |  | 6,451,220 |  |  |  |  |  |  |  |  |  |  |
Issuance price per share (in dollars per share) |  | $ 41.00 |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of stock |  | $ 247,830 |  |  |  |  |  |  |  |  |  |  |
Equity Distribution Agreement aggregate amount |  |  |  |  | $ 300,000 |  |  | $ 300,000 | $ 300,000 | $ 300,000 | $ 450,000 |  | $ 150,000
Common Shares | Subsequent event |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of business [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold in transaction (in shares) | 6,052,631 |  |  |  |  |  |  |  |  |  |  |  |
Issuance price per share (in dollars per share) | $ 47.50 |  |  |  |  |  |  |  |  |  |  |  |
Proceeds from sale of stock | $ 269,935 |  |  |  |  |  |  |  |  |  |  |  |
Purchase Agreement, Knopp Amendment |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of business [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Number of securities called by warrants (shares) |  |  |  |  |  |  |  |  |  |  |  | 294,195 |
Exercise price of warrants (in dollars per share) |  |  |  |  |  |  |  |  |  |  |  | $ 67.98 |
Warrants, fair value disclosure |  |  |  |  |  |  |  |  |  |  |  | $ 3,340 |
Equity Distribution Agreement | Common Shares |  |  |  |  |  |  |  |  |  |  |  |  |
Nature of business [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |
Common stock issued (shares) |  |  |  |  |  |  |  |  |  | 4,248,588 |  |  |
Proceeds from sale of stock |  |  |  |  |  |  |  |  |  | $ 146,250 |  |  |

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