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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