Investments and Other Assets - Additional Information (Detail) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2026 |
Jun. 30, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
|
| Schedule of Equity Method Investments [Line Items] | |||||
| Change in fair value of investments, net | $ 329 | $ 1,339 | $ (575) | $ (786) | $ 0 |
| Kyverna Therapeutics Inc [Member] | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Investment Owned, Balance, Principal Amount | 10,500 | 10,500 | $ 11,000 | ||
| Change in fair value of investments, net | 300 | $ 1,300 | (600) | $ (800) | |
| AvenCell [Member] | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Investment Owned, Fair Value | 7,900 | 7,900 | |||
| Sparing Vision [Member] | |||||
| Schedule of Equity Method Investments [Line Items] | |||||
| Investment Owned, Fair Value | $ 3,500 | $ 3,500 | |||
| X | ||||||||||
- Definition Amount of realized and unrealized gain (loss) on investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
| X | ||||||||||
- Definition Fair value of investment in security owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of principal of investment owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- 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
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|