LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Financing Receivable, Nonaccrual) (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, With Allowance	$ 5,475	$ 7,100
Financing Receivable, Nonaccrual, No Allowance	407	496
Financing Receivable, Nonaccrual	5,882	7,596
Real Estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	306	248
General Business Assets
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	623	689
Total Collateral -Dependent Non-Accrual Loans
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	929	937
Commercial real estate - non owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, With Allowance	71	351
Financing Receivable, Nonaccrual, No Allowance	15	15
Financing Receivable, Nonaccrual	86	366
Commercial real estate - owner-occupied
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, With Allowance	89	99
Financing Receivable, Nonaccrual, No Allowance	47	47
Financing Receivable, Nonaccrual	136	146
Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, With Allowance	1,459	1,549
Financing Receivable, Nonaccrual, No Allowance	52	58
Financing Receivable, Nonaccrual	1,511	1,607
Commercial | Real Estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0	0
Commercial | General Business Assets
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	623	689
Commercial | Total Collateral -Dependent Non-Accrual Loans
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	623	689
Residential real estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, With Allowance	2,432	3,136
Financing Receivable, Nonaccrual, No Allowance	293	341
Financing Receivable, Nonaccrual	2,725	3,477
Residential real estate | Real Estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	218	248
Residential real estate | General Business Assets
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0	0
Residential real estate | Total Collateral -Dependent Non-Accrual Loans
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	218	248
Home Equity
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, With Allowance	1,396	1,961
Financing Receivable, Nonaccrual, No Allowance	0	35
Financing Receivable, Nonaccrual	1,396	1,996
Home Equity | Real Estate
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	88	0
Home Equity | General Business Assets
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	0	0
Home Equity | Total Collateral -Dependent Non-Accrual Loans
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual	88	0
Consumer
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, With Allowance	28	4
Financing Receivable, Nonaccrual, No Allowance	0	0
Financing Receivable, Nonaccrual	$ 28	$ 4