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DEPOSITS - Interest bearing Deposits - Narrative (Detail) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
DEPOSITS    
Brokered deposits   $ 0.0
Reciprocal transaction deposits, Interest bearing demand deposits $ 41.6  
Reciprocal transaction deposits, Money market deposits 11.7 1.7
Reciprocal transaction deposits, Time deposits 38.8 1.6
Time deposits in denominations of $250,000 or more 78.7 27.2
Time deposits in denominations of $100,000 or more 236.8 $ 92.6
Money Market Funds [Member]    
DEPOSITS    
Brokered deposits 50.0  
Bank Time Deposits [Member]    
DEPOSITS    
Brokered deposits $ 1.0