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DERIVATIVE FINANCIAL INSTRUMENTS (Other free standing derivatives narrative) (Details) - USD ($)
Sep. 30, 2020
Dec. 31, 2019
Derivative [Line Items]    
Cash pledged as collateral $ 4,200,000 $ 1,900,000
Counterparties    
Derivative [Line Items]    
Cash pledged as collateral 0 0
Not Designated as Hedging Instrument    
Derivative [Line Items]    
Cash pledged as collateral 0 0
Not Designated as Hedging Instrument | Counterparties    
Derivative [Line Items]    
Cash pledged as collateral $ 0 $ 0