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v3.26.1

Acquisitions of IPR&D - Additional Information (Details) - USD ($) | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Mar. 31, 2026 | Mar. 31, 2025 | Dec. 31, 2023 | Dec. 31, 2025 | Dec. 12, 2024 | Mar. 29, 2023
Seven and Eight Collaboration Agreement and SW License and Development Agreement |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Simple agreements for future equity issued, amount |  |  |  |  |  | $ 35,000,000
Upfront payments recognized as in-process research and development expenses |  |  | $ 46,000,000 |  |  |
Future milestones accrued | $ 0 |  |  | $ 0 |  |
Upfront fee paid in cash |  |  |  |  |  | 11,000,000
Seven and Eight Collaboration Agreement and SW License and Development Agreement | Seven and Eight |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Simple agreements for future equity issued, amount |  |  |  |  |  | 31,500,000
Additional milestone payable upon achievement of certain development and regulatory milestones |  |  |  |  |  | 369,600,000
Additional milestone payable upon the achievement of certain development and regulatory milestones for a compound that is not a conjugate |  |  |  |  |  | 219,600,000
Additional milestone payable upon the achievement of certain development and regulatory milestones for a compound that is a conjugate |  |  |  |  |  | 150,000,000
Upfront fee paid in cash |  |  |  |  |  | 10,500,000
Seven and Eight Collaboration Agreement and SW License and Development Agreement | SW |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Simple agreements for future equity issued, amount |  |  |  |  |  | 3,500,000
Upfront fee paid in cash |  |  |  |  |  | 500,000
Seven and Eight Collaboration Agreement and SW License and Development Agreement | SW | Maximum |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Additional milestone payable upon the achievement of certain regulatory milestones |  |  |  |  |  | 29,400,000
Additional milestone payable upon the achievement of certain commercial milestones |  |  |  |  |  | $ 350,000,000
Impact Agreement |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Upfront payments recognized as in-process research and development expenses |  |  | $ 31,500,000 |  |  |
Future milestones accrued | 0 |  |  | $ 0 |  |
Upfront fee paid in cash |  |  |  |  | $ 31,500,000 |
Maximum amount payable upon the achievement of certain commercial milestones |  |  |  |  | 775,000,000 |
Development and regulatory milestones, paid | $ 5,000,000 | $ 0 |  |  |  |
Impact Agreement | Maximum |  |  |  |  |  |
Business Combination [Line Items] |  |  |  |  |  |
Maximum amount payable upon the achievement of certain development and regulatory milestones milestones |  |  |  |  | $ 181,000,000 |

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