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DERIVATIVES (Additional Information) (Details) - Derivatives Not Designated as Hedging Instruments
$ in Millions
Sep. 30, 2021
USD ($)
Interest rate lock commitments  
DERIVATIVES  
Mortgage loans hedged $ 16.4
Forward sale commitments  
DERIVATIVES  
Mortgage loans hedged 20.2
Back-to-back swap agreements  
DERIVATIVES  
Notional amount 16.0
Cash pledged as collateral $ 0.4