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Goodwill and Other Intangible Assets - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Dec. 31, 2022
Goodwill [Line Items] |  |  |  |  |  |
Goodwill | $ 26,826 |  | $ 26,826 |  | $ 26,826 | [1]
Accumulated amortization of intangible assets | 335 | $ 386 | 690 | $ 783 |  |
Accumulated amortization of intangibles | 7,019 |  | 7,019 |  | 6,325 |
Mortgage servicing asset | 28,200 |  | 28,200 |  | 29,000 |
Loan Servicing Assets Included in Other Amortization Intangibles [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Accumulated amortization of intangibles | 1,300 |  | 1,300 |  | $ 876 |
Loan Servicing Assets Included in Interest and Fees on Loans [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Accumulated amortization of intangible assets |  |  | 405 |  |  |
Amortization of intangible assets included in interest and fees | $ 113 | $ 96 | $ 4 | $ 134 |  |
Minimum [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Amortization of intangible assets | 5 years |  | 5 years |  |  |
Maximum [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Amortization of intangible assets | 12 years |  | 12 years |  |  |
[1] | Derived from audited December 31, 2022 Consolidated Financial Statements.

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