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, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Financing Receivable, Allowance for Credit Losses
Beginning balance	$ 6,278	$ 5,792	$ 6,183	$ 5,677
Provision for credit losses	349	119	453	239
Loans charged off	(11)	(14)	(22)	(23)
Recoveries collected	6	2	8	6
Total ending allowance balance	6,622	5,899	6,622	5,899
Commercial, financial and agricultural \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	1,120	780	994	740
Provision for credit losses	29	(20)	155	20
Total ending allowance balance	1,149	760	1,149	760
Commercial Loan \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	3,100	2,943	3,010	2,799
Provision for credit losses	18	158	108	302
Total ending allowance balance	3,118	3,101	3,118	3,101
1-4 family residential construction \| Consumer Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	10	105	32	104
Provision for credit losses	2	(49)	(20)	(48)
Total ending allowance balance	12	56	12	56
Other construction loans \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	712	748	821	778
Provision for credit losses	284	(1)	175	(31)
Total ending allowance balance	996	747	996	747
Mortgage Loan \| Consumer Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	1,269	1,108	1,258	1,157
Provision for credit losses	12	32	27	(18)
Loans charged off			(4)
Recoveries collected	4	1	4	2
Total ending allowance balance	1,285	1,141	1,285	1,141
Obligations of states and political subdivisions \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	24	57	24	39
Provision for credit losses	(4)	(16)	(4)	2
Total ending allowance balance	20	41	20	41
Personal Loan \| Consumer Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	43	51	44	60
Provision for credit losses	8	15	12	12
Loans charged off	(11)	(14)	(18)	(23)
Recoveries collected	2	1	4	4
Total ending allowance balance	$ 42	$ 53	$ 42	$ 53

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

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

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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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-6

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 220
-SubTopic 40
-Name Accounting Standards Codification
-Section 50
-Paragraph 22
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147476148/220-40-50-22

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