LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES (Activity in the Allowance for Loan Losses by Loan Class) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	$ 3,508	$ 4,094
Provision for loan losses	28	(79)
Charge-offs	(3)	(5)
Recoveries	43	46
Ending balance	3,576	4,056
Loans allocated by: individually evaluated for impairment	5,659		$ 5,699
Loans allocated by: collectively evaluated for impairment	406,155		411,766
Financing receivable - Loans allocated	412,575		418,303
Allowance for loan losses allocated by: individually evaluated for impairment	0		2
Allowance for loan losses allocated by: collectively evaluated for impairment	3,576		3,506
Financing receivable - Allowance for loan losses	3,576		3,508
Commercial, Financial and Agricultural [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	251	302
Provision for loan losses	8	(6)
Charge-offs	0	0
Recoveries	0	0
Ending balance	259	296
Loans allocated by: individually evaluated for impairment	0		0
Loans allocated by: collectively evaluated for impairment	58,431		62,639
Financing receivable - Loans allocated	58,431		62,639
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: collectively evaluated for impairment	259		251
Financing receivable - Allowance for loan losses	259		251
Commercial Loan [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,020	908
Provision for loan losses	(184)	612
Charge-offs	0	0
Recoveries	0	0
Ending balance	836	1,520
Loans allocated by: individually evaluated for impairment	5,241		5,262
Loans allocated by: collectively evaluated for impairment	148,170		154,187
Financing receivable - Loans allocated	153,719		159,806
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: collectively evaluated for impairment	836		1,020
Financing receivable - Allowance for loan losses	836		1,020
Construction Loan [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	884	1,586
Provision for loan losses	286	(668)
Charge-offs	0	0
Recoveries	0	28
Ending balance	1,170	946
Loans allocated by: individually evaluated for impairment	0		0
Loans allocated by: collectively evaluated for impairment	49,765		43,281
Financing receivable - Loans allocated	49,765		43,281
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: collectively evaluated for impairment	1,170		884
Financing receivable - Allowance for loan losses	1,170		884
Obligations of State and Political Subdivisions [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	45	28
Provision for loan losses	2	2
Charge-offs	0	0
Recoveries	0	0
Ending balance	47	30
Loans allocated by: individually evaluated for impairment	0		0
Loans allocated by: collectively evaluated for impairment	16,971		16,323
Financing receivable - Loans allocated	16,971		16,323
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: collectively evaluated for impairment	47		45
Financing receivable - Allowance for loan losses	47		45
Mortgage Loan [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	1,269	1,200
Provision for loan losses	(82)	(33)
Charge-offs	(1)	0
Recoveries	42	16
Ending balance	1,228	1,183
Loans allocated by: individually evaluated for impairment	418		437
Loans allocated by: collectively evaluated for impairment	128,657		130,836
Financing receivable - Loans allocated	129,528		131,754
Allowance for loan losses allocated by: individually evaluated for impairment	0		2
Allowance for loan losses allocated by: collectively evaluated for impairment	1,228		1,267
Financing receivable - Allowance for loan losses	1,228		1,269
Personal Loan [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Beginning Balance	39	70
Provision for loan losses	(2)	14
Charge-offs	(2)	(5)
Recoveries	1	2
Ending balance	36	$ 81
Loans allocated by: individually evaluated for impairment	0		0
Loans allocated by: collectively evaluated for impairment	4,161		4,500
Financing receivable - Loans allocated	4,161		4,500
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: collectively evaluated for impairment	36		39
Financing receivable - Allowance for loan losses	36		39
Acquired with Credit Deterioration [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans allocated by: individually evaluated for impairment	761		838
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Acquired with Credit Deterioration [Member] \| Commercial, Financial and Agricultural [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Acquired with Credit Deterioration [Member] \| Commercial Loan [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans allocated by: individually evaluated for impairment	308		357
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Acquired with Credit Deterioration [Member] \| Construction Loan [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Acquired with Credit Deterioration [Member] \| Obligations of State and Political Subdivisions [Member] \| Commercial Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Acquired with Credit Deterioration [Member] \| Mortgage Loan [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans allocated by: individually evaluated for impairment	453		481
Allowance for loan losses allocated by: individually evaluated for impairment	0		0
Acquired with Credit Deterioration [Member] \| Personal Loan [Member] \| Consumer Portfolio Segment [Member]
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans allocated by: individually evaluated for impairment	0		0
Allowance for loan losses allocated by: individually evaluated for impairment	$ 0		$ 0

Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts.

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