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Fair Value Measurements - Additional Information (Details) $ / shares in Units, $ in Thousands |  |  | 1 Months Ended | 3 Months Ended |  |
--- | --- | --- | --- | --- | --- | ---
Mar. 26, 2024 USD ($) | Mar. 14, 2024 USD ($) $ / shares | Mar. 31, 2021 tranche | Mar. 31, 2024 USD ($) security contract | Dec. 31, 2023 USD ($) contract | Dec. 31, 2022 warrant shares
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |  |
Number of tranches | tranche |  |  | 3 |  |  |
Number of vested warrants | warrant |  |  |  |  |  | 2
Equity securities (in shares) | shares |  |  |  |  |  | 156,746
Number of securities with contractual maturity between one and five years | security |  |  |  | 4 |  |
Corporate debt securities |  |  |  | $ 104,819 | $ 2,495 |
Amortized cost |  |  |  | $ 105,945 | $ 2,496 |
Number of available-for-sale debt securities in gross unrealized loss position for less than one year | contract |  |  |  | 26 | 1 |
LianBio | License agreement |  |  |  |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |  |
Proceeds from warrant cancellation payment | $ 400 |  |  |  |  |
LianBio |  |  |  |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |  |
Special cash dividends paid |  | $ 700 |  | $ 700 |  |
Special cash dividend (usd per share) | $ / shares |  | $ 4.80 |  |  |  |
Available-for-sale Debt Securities, Contractual Maturity Less Than 12 Months |  |  |  |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |  |
Corporate debt securities |  |  |  | 20,600 |  |
Amortized cost |  |  |  | $ 20,600 |  |
Minimum | Available-for-sale Debt Securities, Contractual Maturity Less Than 12 Months |  |  |  |  |  |
Fair Value Disclosures [Abstract] |  |  |  |  |  |
Contractual maturity |  |  |  | 1 year |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |  |
Contractual maturity |  |  |  | 1 year |  |
Maximum | Available-for-sale Debt Securities, Contractual Maturity Less Than 12 Months |  |  |  |  |  |
Fair Value Disclosures [Abstract] |  |  |  |  |  |
Contractual maturity |  |  |  | 2 years |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |  |  |  |
Contractual maturity |  |  |  | 2 years |  |

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