Loans and Allowance for Credit Losses - Schedule of Allowance for Loan Losses (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended	12 Months Ended
Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Allowance for Credit Losses on Loans
Balance at beginning of period	$ 21,780	$ 23,675	$ 22,044	$ 23,744	$ 23,744
Charge-offs	(141)	(2,007)	(283)	(2,130)	(2,991)
Recoveries	90	30	250	84
Provision for (release of) credit losses	(159)	282	(441)	282
Balance at end of period	21,570	21,980	21,570	21,980	22,044
Unfunded Loan Commitment
Allowance for Credit Losses on Loans
Balance at beginning of period			900
Balance at end of period	1,000		1,000		900
Commercial, financial, & agricultural
Allowance for Credit Losses on Loans
Balance at beginning of period	1,447	3,374	1,560	3,208	3,208
Charge-offs	(21)	(1,857)	(34)	(1,888)	(2,238)
Recoveries	34	10	102	20
Provision for (release of) credit losses	684	94	516	281
Balance at end of period	2,144	1,621	2,144	1,621	1,560
Real estate construction − residential
Allowance for Credit Losses on Loans
Balance at beginning of period	583	672	578	1,043	1,043
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Provision for (release of) credit losses	(255)	(74)	(250)	(445)
Balance at end of period	328	598	328	598	578
Real Estate Construction - Commercial
Allowance for Credit Losses on Loans
Balance at beginning of period	1,667	1,297	2,221	3,273	3,273
Charge-offs	0	0	0	0	0
Recoveries	0	0	0	0
Provision for (release of) credit losses	(183)	180	(737)	(1,796)
Balance at end of period	1,484	1,477	1,484	1,477	2,221
Real Estate Mortgage - Residential
Allowance for Credit Losses on Loans
Balance at beginning of period	5,134	5,109	5,310	5,264	5,264
Charge-offs	(8)	(22)	(14)	(23)	(51)
Recoveries	12	4	19	5
Provision for (release of) credit losses	(221)	122	(398)	(33)
Balance at end of period	4,917	5,213	4,917	5,213	5,310
Real Estate Mortgage - Commercial
Allowance for Credit Losses on Loans
Balance at beginning of period	12,608	12,857	12,305	10,537	10,537
Charge-offs	(3)	(67)	(36)	(89)	(437)
Recoveries	0	0	58	0
Provision for (release of) credit losses	(213)	118	65	2,460
Balance at end of period	12,392	12,908	12,392	12,908	12,305
Installment and other consumer
Allowance for Credit Losses on Loans
Balance at beginning of period	117	172	138	232	232
Charge-offs	(109)	(61)	(199)	(130)	(265)
Recoveries	44	16	71	59
Provision for (release of) credit losses	60	36	102	2
Balance at end of period	112	163	112	163	138
Un- allocated
Allowance for Credit Losses on Loans
Balance at beginning of period	224	194	(68)	187	187
Charge-offs	0	0	0	0
Recoveries	0	0	0	0
Provision for (release of) credit losses	(31)	(194)	261	(187)
Balance at end of period	$ 193	$ 0	$ 193	$ 0	$ (68)

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- Definition

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
-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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- Definition

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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- Definition

Amount, excluding accrued interest, of decrease in allowance for credit loss on financing receivable from writeoff. 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 (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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- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable. 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 (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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