Property and Equipment, Net - Additional Information (Detail) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | |||
|---|---|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Property, Plant and Equipment [Line Items] | ||||||
| Impairment Charge on Property and Equipment | $ 0 | $ 0 | ||||
| Depreciation, Depletion and Amortization, Nonproduction | $ 78,000 | $ 98,000 | $ 217,000 | $ 156,000 | ||
| Property, Plant and Equipment [Member] | ||||||
| Property, Plant and Equipment [Line Items] | ||||||
| Depreciation Expense on Reclassified Assets | $ 200,000 | $ 100,000 | ||||
| X | ||||||||||
- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of depreciation expense for long-lived asset reclassified from held-for-sale to held-and-used due to decision not to sell. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of impairment loss for long-lived asset reclassified from held-for-sale to held-and-used due to decision not to sell. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| 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/2009/role/commonPracticeRef
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| X | ||||||||||
- Details
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