Fair Value Measurements - Additional Information (Details) - USD ($) |
9 Months Ended | 12 Months Ended | |
|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
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| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |||
| Accrued interest receivable | $ 5,400,000 | $ 3,600,000 | |
| Accrued interest receivable writeoff | 0 | $ 0 | |
| Total net unrealized gains (losses) recorded in accumulated other comprehensive loss | (3,800,000) | 1,100,000 | |
| Humabs | |||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |||
| Contingent consideration recognized | $ 33,000,000.0 | $ 34,100,000 | |
| Maximum | |||
| Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] | |||
| Securities contractual term (in years) | 2 years | ||
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- Definition Amount of liability recognized arising from contingent consideration in a business combination. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after allowance for credit loss, of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of writeoff of accrued interest on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), recognized by reversing interest income. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Period between issuance and maturity of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrealized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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