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Employee Benefits (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Employee Benefits (Textual)    
Maximum employee contribution of compensation received 4.00%  
Employer matching contribution, percent 100.00%  
Amount of Employer contributions charged to expense $ 500 $ 500
Cash surrender value of all life insurance policies $ 16,834 $ 16,479
Employee stock ownership plan (ESOP), number of allocated shares 440,359 457,136
Employee stock ownership plan (ESOP), compensation expense $ 300 $ 200
Description of supplemental executive retirement plan agreement with certain active and retired officers Agreements provide monthly payments for up to 15 years that equal 15 percent to 25 percent of average compensation prior to retirement or death.  
Expense charged under supplemental executive retirement plan agreements $ 200 $ 200
Contribution plan, description Any discretionary contribution made by the Company is fully vested after three years of credited service.