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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK - Schedule of Commitments and Conditional Obligations (Detail) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Home equity - lines of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Commitments to fund | $ 261,580 | $ 223,216
1-4 family residential construction loans |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Commitments to fund | 40,348 | 28,928
Commercial real estate, construction and land development loans |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Commitments to fund | 124,488 | 60,606
Commercial, industrial and other loans |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Commitments to fund | 378,996 | 268,931
Standby letters of credit |  |
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] |  |
Commitments to fund | $ 19,724 | $ 14,491

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