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SHORT-TERM BORROWINGS (Details) - USD ($)
Jun. 30, 2020
Dec. 31, 2019
SHORT-TERM BORROWINGS [Abstract]    
Short-term borrowings $ 10,000,000 $ 0
Remaining collateral borrowing capacity with FHLB 323,091,000  
Unsecured lines of credit with correspondent banks $ 122,000,000