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Goodwill and Intangible Assets - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024 | Dec. 31, 2024
Goodwill [Line Items] |  |  |  |  |
Carrying amount of goodwill | $ 11,549,000 |  | $ 11,549,000 |  | $ 11,549,000
Impairments to goodwill |  |  | 0 |  |
Amortization expense of intangible assets | 100,000 | $ 100,000 | 200,000 | $ 200,000 |
Summit [Member] |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Carrying amount of goodwill | $ 11,500,000 |  | $ 11,500,000 |  | $ 11,500,000

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