LOANS AND ALLOWANCE FOR LOAN LOSSES - Non-performing assets (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Total non-accrual loans	$ 6,840	$ 4,388
Foreclosed assets held for resale	88	119
Loans past-due 90 days or more and still accruing interest	542	100
Total non-performing assets	7,470	4,607
Commercial and Industrial [Member]
Total non-accrual loans	751	0
Loans past-due 90 days or more and still accruing interest	0	0
Commercial Real Estate [Member]
Total non-accrual loans	5,012	3,697
Loans past-due 90 days or more and still accruing interest	542	0
Residential Real Estate [Member]
Total non-accrual loans	1,077	691
Loans past-due 90 days or more and still accruing interest	$ 0	$ 100