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Fair Value Measurements - Schedule of Estimated Fair Value of Success Payment Liability Assumptions (Details) | Dec. 31, 2023 yr $ / shares
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Fred Hutch |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Fair value of common stock (USD per share) | $ / shares | $ 1.94
Fred Hutch | Risk-free interest rate | Minimum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 3.51
Fred Hutch | Risk-free interest rate | Maximum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 5.19
Fred Hutch | Expected volatility |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 0.800
Fred Hutch | Expected term (in years) | Minimum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 0.46
Fred Hutch | Expected term (in years) | Maximum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 3.97
Stanford |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Fair value of common stock (USD per share) | $ / shares | $ 1.94
Stanford | Risk-free interest rate | Minimum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 3.51
Stanford | Risk-free interest rate | Maximum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 5.19
Stanford | Expected volatility |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 0.800
Stanford | Expected term (in years) | Minimum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 0.46
Stanford | Expected term (in years) | Maximum |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |
Success payment liability, measurement input (as a percent) | 5.75

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