LOANS AND RELATED ALLOWANCE FOR CREDIT LOSSES (Allowance for Credit Loss Activity By Loan Class) (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	$ 5,792	$ 5,374	$ 5,677
Initial allowance on loans purchased with credit deterioration				$ 354
Provision for credit losses	119	47	239	290
Loans charged off	(14)	(1)	(23)	(27)
Recoveries collected	2	22	6	41
Total ending allowance balance	5,899	5,442	5,899	5,442
Prior adaption
Beginning Balance				4,027
Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		757		757
Commercial, Financial and Agricultural \| Commercial Portfolio Segment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	780	632	740
Provision for credit losses	(20)	45	20	43
Total ending allowance balance	760	677	760	677
Prior adaption
Beginning Balance				297
Commercial, Financial and Agricultural \| Commercial Portfolio Segment \| Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		337		337
Commercial Loan \| Commercial Portfolio Segment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	2,943	2,596	2,799
Initial allowance on loans purchased with credit deterioration				106
Provision for credit losses	158	81	302	257
Total ending allowance balance	3,101	2,677	3,101	2,677
Prior adaption
Beginning Balance				1,110
Commercial Loan \| Commercial Portfolio Segment \| Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		1,204		1,204
1-4 family residential construction \| Commercial Portfolio Segment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	105	157	104
Provision for credit losses	(49)	(44)	(48)	(70)
Total ending allowance balance	56	113	56	113
Prior adaption
Beginning Balance				69
1-4 family residential construction \| Commercial Portfolio Segment \| Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		114		114
Other construction loans \| Commercial Portfolio Segment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	748	771	778
Provision for credit losses	(1)	(51)	(31)	50
Total ending allowance balance	747	720	747	720
Prior adaption
Beginning Balance				1,077
Other construction loans \| Commercial Portfolio Segment \| Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		(407)		(407)
Mortgage Loan \| Consumer Portfolio Segment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	1,108	1,112	1,157
Initial allowance on loans purchased with credit deterioration				248
Provision for credit losses	32	19	(18)	(4)
Loans charged off				(19)
Recoveries collected	1	19	2	37
Total ending allowance balance	1,141	1,150	1,141	1,150
Prior adaption
Beginning Balance				1,385
Mortgage Loan \| Consumer Portfolio Segment \| Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		(497)		(497)
Obligations of State and Political Subdivisions \| Commercial Portfolio Segment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	57	45	39
Provision for credit losses	(16)	(4)	2	(4)
Total ending allowance balance	41	41	41	41
Prior adaption
Beginning Balance				54
Obligations of State and Political Subdivisions \| Commercial Portfolio Segment \| Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		(9)		(9)
Personal Loan \| Consumer Portfolio Segment
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Beginning balance	51	61	60
Provision for credit losses	15	1	12	18
Loans charged off	(14)	(1)	(23)	(8)
Recoveries collected	1	3	4	4
Total ending allowance balance	$ 53	64	$ 53	64
Prior adaption
Beginning Balance				35
Personal Loan \| Consumer Portfolio Segment \| Impact of adopting ASC 326
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward]
Total ending allowance balance		$ 15		$ 15

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Amount excluding accrued interest, of allowance for credit loss on financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, excluding accrued interest, of increase in allowance for credit loss on financing receivable from recovery. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. Excludes net investment in lease.

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Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. Excludes net investment in lease.

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-SubTopic 20
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Amount, excluding accrued interest, of allowance for credit loss at acquisition date of financing receivable purchased with credit deterioration. Excludes net investment in lease.

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Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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