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, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Financing Receivable, Allowance for Credit Losses
Beginning balance	$ 7,265	$ 6,278	$ 7,083	$ 6,183
Provision for credit losses	376	349	556	453
Loans charged off	(13)	(11)	(19)	(22)
Recoveries collected	1	6	9	8
Total ending allowance balance	7,629	6,622	7,629	6,622
Commercial, financial and agricultural \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	1,135	1,120	1,201	994
Provision for credit losses	40	29	(26)	155
Total ending allowance balance	1,175	1,149	1,175	1,149
Commercial Loan \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	3,239	3,100	3,087	3,010
Provision for credit losses	116	18	268	108
Total ending allowance balance	3,355	3,118	3,355	3,118
1-4 family residential construction \| Consumer Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	5	10	6	32
Provision for credit losses	3	2	2	(20)
Total ending allowance balance	8	12	8	12
Other construction loans \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	1,495	712	1,415	821
Provision for credit losses	188	284	268	175
Total ending allowance balance	1,683	996	1,683	996
Mortgage Loan \| Consumer Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	1,338	1,269	1,320	1,258
Provision for credit losses	23	12	41	27
Loans charged off	(8)		(8)	(4)
Recoveries collected		4		4
Total ending allowance balance	1,353	1,285	1,353	1,285
Obligations of states and political subdivisions \| Commercial Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	30	24	30	24
Provision for credit losses		(4)		(4)
Total ending allowance balance	30	20	30	20
Personal Loan \| Consumer Portfolio Segment
Financing Receivable, Allowance for Credit Losses
Beginning balance	23	43	24	44
Provision for credit losses	6	8	3	12
Loans charged off	(5)	(11)	(11)	(18)
Recoveries collected	1	2	9	4
Total ending allowance balance	$ 25	$ 42	$ 25	$ 42

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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