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Goodwill and Other Intangibles - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2022 | Mar. 31, 2021 | Dec. 31, 2021
Goodwill [Line Items] |  |  |  |
Goodwill | $ 26,826 |  | $ 26,826 | [1]
Net assets acquired | 7,455 |  | 7,594 |
Accumulated amortization of intangibles | 5,126 |  | 4,691 |
Amortization of intangibles | 397 | $ 351 |  |
Mortgage servicing asset | 27,700 |  | 16,500 |
Core Deposits [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Net assets acquired | 6,347 |  | 6,718 |
Accumulated amortization of intangibles | 3,279 |  | 2,908 |
Loan Servicing Assets Included in Other Amortization Intangibles [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Accumulated amortization of intangibles | 620 |  | 362 |
Loan Servicing Assets Included in Interest and Fees on Loans [Member] |  |  |  |
Goodwill [Line Items] |  |  |  |
Amortization of intangibles | $ 297 |  | $ 266 |
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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