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FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Commitments to extend credit    
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK    
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability $ 1,089,135 $ 1,030,322
Standby letters of credit and financial guarantees written    
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK    
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability 10,526 13,377
Interest rate options    
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK    
Derivative, Notional Amount 625 2,158
Forward interest rate contracts    
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK    
Derivative, Notional Amount $ 8,968 8,530
Interest rate lock commitments | Not Designated as Hedging Instrument [Member] | Interest rate options    
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK    
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability   2,158
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Forward interest rate contracts    
FINANCIAL INSTRUMENTS WITH OFF-BALANCE SHEET RISK    
Fair Value Disclosure, Off-balance Sheet Risks, Amount, Liability   $ 8,530