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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021
Goodwill [Line Items] |  |  |  |  |  |
Goodwill | $ 26,826 |  | $ 26,826 |  | $ 26,826 | [1]
Accumulated amortization of intangibles | 5,929 |  | 5,929 |  | 4,495 |
Amortization of intangibles | 377 | $ 451 | 1,160 | $ 1,259 |  |
Mortgage servicing asset | 29,900 |  | 29,900 |  | 16,500 |
Loan Servicing Assets Included in Other Amortization Intangibles [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Accumulated amortization of intangibles | 943 |  | 943 |  | $ 362 |
Loan Servicing Assets Included in Interest and Fees on Loans [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Accumulated amortization of intangibles | $ 274 |  | 274 |  |  |
Amortization of intangibles |  |  | $ 856 |  |  |
Minimum [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Amortization of intangible assets |  |  | 5 years |  |  |
Maximum [Member] |  |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |  |
Amortization of intangible assets |  |  | 12 years |  |  |
[1] | Derived from audited December 31, 2021 Consolidated Financial Statements.

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