FAIR VALUE MEASUREMENT (Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financial assets:
Interest bearing deposits with banks	$ 102	$ 598
Interest bearing time deposits with banks	0	735
Restricted investment in bank stock	3,104	2,116
Financial liabilities:
Non-interest bearing deposits	202,493	182,022
Interest bearing deposits	515,341	526,425
Short-term borrowings	35,869	4,227
Long-term debt	20,000	20,000
Other interest bearing liabilities	995	1,568
Carrying Value [Member]
Financial assets:
Cash and due from banks	13,325	12,928
Interest bearing deposits with banks	102	598
Interest bearing time deposits with banks	0	735
Securities	288,265	336,548
Restricted investment in bank stock	3,104	2,116
Loans, net of allowance for loan losses	458,525	414,795
Interest rate swaps, assets	419	541
Accrued interest receivable	1,907	1,814
Financial liabilities:
Non-interest bearing deposits	202,493	182,022
Interest bearing deposits	515,341	526,425
Securities sold under agreements to repurchase	6,869	4,227
Short-term borrowings	20,000	0
Long-term debt	20,000	20,000
Other interest bearing liabilities	995	1,568
Accrued interest payable	215	252
Off-balance sheet financial instruments:
Commitments to extend credit	0	0
Letters of credit	0	0
Fair Value [Member]
Financial assets:
Cash and due from banks	13,325	12,928
Interest bearing deposits with banks	102	598
Interest bearing time deposits with banks	0	735
Securities	288,265	336,548
Loans, net of allowance for loan losses	458,754	414,984
Interest rate swaps, assets	419	541
Accrued interest receivable	1,907	1,814
Financial liabilities:
Non-interest bearing deposits	202,493	182,022
Interest bearing deposits	512,082	528,952
Short-term borrowings	19,995	0
Long-term debt	19,133	20,520
Other interest bearing liabilities	990	1,568
Accrued interest payable	215	252
Off-balance sheet financial instruments:
Commitments to extend credit	0	0
Letters of credit	$ 0	$ 0