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OFF-BALANCE SHEET ACTIVITIES AND COMMITMENTS (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Unused lines of credit    
OFF-BALANCE SHEET ACTIVITIES AND COMMITMENTS    
Financial instruments with off-balance sheet risk $ 117,265 $ 117,660
Commitments to make loans | Minimum    
OFF-BALANCE SHEET ACTIVITIES AND COMMITMENTS    
Fixed rates (as a percent) 4.00%  
Commitments to make loans | Maximum    
OFF-BALANCE SHEET ACTIVITIES AND COMMITMENTS    
Period of commitments to make loans 60 days  
Fixed rates (as a percent) 4.90%  
Maturities of fixed rate loan commitments 30 years  
Commitments to make loans with fixed rate    
OFF-BALANCE SHEET ACTIVITIES AND COMMITMENTS    
Financial instruments with off-balance sheet risk $ 1,810 6,004
Commitments to make loans with variable rate    
OFF-BALANCE SHEET ACTIVITIES AND COMMITMENTS    
Financial instruments with off-balance sheet risk 26,933 11,196
Letters of credit    
OFF-BALANCE SHEET ACTIVITIES AND COMMITMENTS    
Financial instruments with off-balance sheet risk $ 461 $ 552