LOANS AND ALLOWANCE FOR LOAN LOSSES - Non-performing assets (Details) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Total non-accrual loans	$ 6,884	$ 4,388
Foreclosed assets held for resale	169	119
Loans past-due 90 days or more and still accruing interest	866	100
Total non-performing assets	7,919	4,607
Commercial and Industrial [Member]
Total non-accrual loans	752	0
Loans past-due 90 days or more and still accruing interest	380	0
Commercial Real Estate [Member]
Total non-accrual loans	5,045	3,697
Loans past-due 90 days or more and still accruing interest	486	0
Residential Real Estate [Member]
Total non-accrual loans	1,087	691
Loans past-due 90 days or more and still accruing interest	$ 0	$ 100