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ALLOWANCE FOR LOAN LOSSES (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Balance at Beginning of Period $ 9,932 $ 9,921 $ 9,623
Charge-Offs (928) (4,296) (1,361)
Recoveries 410 357 409
Provision (Credit) 800 3,950 1,250
Balance at End of Period 10,214 9,932 9,921
Commercial [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Balance at Beginning of Period 4,041 4,244 3,262
Charge-Offs (278) (3,648) (170)
Recoveries 27 140 101
Provision (Credit) 509 3,305 1,051
Balance at End of Period 4,299 4,041 4,244
Commercial loans secured by real estate [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Balance at Beginning of Period 3,584 3,449 3,902
Charge-Offs (165) (13) (250)
Recoveries 14 40 111
Provision (Credit) 233 108 (314)
Balance at End of Period 3,666 3,584 3,449
Real estate-mortgage [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Balance at Beginning of Period 1,169 1,173 1,310
Charge-Offs (313) (291) (753)
Recoveries 250 147 171
Provision (Credit) (4) 140 445
Balance at End of Period 1,102 1,169 1,173
Consumer [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Balance at Beginning of Period 151 151 190
Charge-Offs (172) (344) (188)
Recoveries 119 30 26
Provision (Credit) 30 314 123
Balance at End of Period 128 151 151
Allocation for general risk [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Balance at Beginning of Period 987 904 959
Charge-Offs 0 0 0
Recoveries 0 0 0
Provision (Credit) 32 83 (55)
Balance at End of Period $ 1,019 $ 987 $ 904