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Goodwill and Other Intangibles - Summary of Other Intangible Assets (Detail) - USD ($) $ in Thousands | Sep. 30, 2024 | Dec. 31, 2023
--- | --- | ---
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Accumulated amortization | $ (2,213) | $ (2,628)
Goodwill | 11,031 | 11,031
Gross carrying amount | 13,244 | 13,727
Net carrying amount | $ 11,031 | 11,099
Core deposit intangible |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 10 years |
Gross carrying amount, excluding goodwill | $ 2,213 | 2,213
Accumulated amortization | $ (2,213) | (2,145)
Net carrying amount, excluding goodwill |  | 68
Third-party originator's intangible |  |
Acquired Finite-Lived Intangible Assets [Line Items] |  |
Amortization Period | 7 years |
Gross carrying amount, excluding goodwill |  | 483
Accumulated amortization |  | $ (483)

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