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Financial Instruments with Off-Balance-Sheet Risk (Tables)
3 Months Ended
Mar. 31, 2019
Financial Instruments With Off-Balance-Sheet Risk [Abstract]  
Schedule of contract amounts represent off-balance sheet credit risk
    March 31,     December 31,  
    2019     2018  
    (unaudited)        
Commitments to extend credit summarized as follows:                
Future loan commitments   $ 3,861     $ 3,157  
Undisbursed construction loans     11,549       16,289  
Undisbursed home equity lines of credit     9,391       9,532  
Undisbursed commercial and other line of credit     57,150       50,773  
Standby letters of credit     2,163       1,785  
                 
Total   $ 84,114     $ 81,536