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DERIVATIVE FINANCIAL INSTRUMENTS (Back-to-back loan swaps narrative) (Details) - USD ($)
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Dec. 31, 2021
Derivative [Line Items]      
Cash pledged as collateral $ 0   $ 0
Counterparties      
Derivative [Line Items]      
Cash pledged as collateral 0   0
Back-to-Back Loan Swaps | Interest Rate Swaps      
Derivative [Line Items]      
Cash pledged as collateral 9,900,000   24,100,000
Gain (loss) recognized 0 $ 0  
Back-to-Back Loan Swaps | Interest Rate Swaps | Counterparties      
Derivative [Line Items]      
Cash pledged as collateral $ 4,300,000   $ 0