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DEPOSITS - Interest bearing Deposits - Narrative (Detail) - USD ($)
Sep. 30, 2023
Dec. 31, 2022
DEPOSITS    
Brokered deposits   $ 0
Reciprocal transaction deposits, Interest bearing demand deposits $ 38,700,000  
Reciprocal transaction deposits, Money market deposits 12,800,000 1,700,000
Reciprocal transaction deposits, Time deposits 35,500,000 1,600,000
Time deposits, at or above FDIC insurance limit 115,900,000 27,200,000
Time deposits in denominations of $100,000 or more 302,300,000 $ 92,600,000
Bank Time Deposits    
DEPOSITS    
Brokered deposits $ 115,000,000