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Income Taxes - Summary of Deferred Tax Assets (Liabilities) (Details) - USD ($) $ in Thousands | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Deferred tax assets: |  |
Net operating loss carryforwards | $ 84,238 | $ 55,826
Stock-based compensation expense | 3,009 | 2,450
Capitalized research and development expenses | 24,440 | 32,422
Tax credit carryforwards | 31,980 | 13,582
Accrued expenses and other current liabilities | 1,368 | 1,025
Lease liability | 4,520 | 4,903
Other | 993 | 938
Total deferred tax assets | 150,548 | 111,146
Deferred tax liabilities: |  |
Right-of-use assets | (4,117) | (4,540)
Depreciable assets | (266) | (312)
Prepaid expenses and other current assets | (433) | (443)
Valuation allowance | $ (145,732) | $ (105,851)

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