Privately-Held Securities - Additional Information (Detail) - USD ($) |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2025 |
Dec. 31, 2024 |
|
| Privately Held Securities [Line Items] | |||
| Other noncurrent assets | $ 27,046,000 | $ 27,046,000 | $ 4,437,000 |
| Subscription Agreement [Member] | |||
| Privately Held Securities [Line Items] | |||
| Other noncurrent assets | 20,000,000 | 20,000,000 | |
| Impairments of privately held securities | 0 | ||
| Commercial Contract [Member] | |||
| Privately Held Securities [Line Items] | |||
| Revenue recognized from commercial contract | $ 0 | $ 0 |