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Accrued Expenses and Other Current Liabilities - Summary of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Jun. 30, 2026 | Dec. 31, 2025
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Accounts Payable and Accrued Liabilities, Current [Abstract] |  |
Contracted research and development expenses | $ 22,800 | $ 16,388
Due to Taiho under collaboration agreement, net | 6,971 | 8,784
Employee compensation | 4,939 | 9,952
Other current liabilities | 1,527 | 996
Total accrued expenses and other current liabilities | $ 36,237 | $ 36,120

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