Allowance for Credit Losses on Loans - Changes in Allowance for Loan Losses, by Portfolio Type (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	$ 23,518	$ 24,029
ASC 326 Adoption Day 1 Adjustment	8,120
Charge-offs	(5,771)	(6,086)
Recoveries	1,375	1,919
Provision	3,684	3,656
Ending allowance	30,926	23,518
Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	13,102	16,838
ASC 326 Adoption Day 1 Adjustment	7,042
Charge-offs	(1,102)	(762)
Recoveries	330	1,217
Provision	5,372	(4,191)
Ending allowance	24,744	13,102
Real Estate \| Construction & land development
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	1,232	769
ASC 326 Adoption Day 1 Adjustment	1,891
Charge-offs	0	(65)
Recoveries	7	340
Provision	2,715	188
Ending allowance	5,845	1,232
Real Estate \| Farmland
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	83	478
ASC 326 Adoption Day 1 Adjustment	(39)
Charge-offs	0	0
Recoveries	0	0
Provision	(8)	(395)
Ending allowance	36	83
Real Estate \| 1- 4 Family
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	1,761	1,921
ASC 326 Adoption Day 1 Adjustment	3,465
Charge-offs	(964)	(94)
Recoveries	93	76
Provision	2,298	(142)
Ending allowance	6,653	1,761
Real Estate \| Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	746	940
ASC 326 Adoption Day 1 Adjustment	1,418
Charge-offs	0	0
Recoveries	0	452
Provision	(550)	(646)
Ending allowance	1,614	746
Real Estate \| Non-farm non-residential
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	9,280	12,730
ASC 326 Adoption Day 1 Adjustment	307
Charge-offs	(138)	(603)
Recoveries	230	349
Provision	917	(3,196)
Ending allowance	10,596	9,280
Non-Real Estate
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	10,416	7,191
ASC 326 Adoption Day 1 Adjustment	1,078
Charge-offs	(4,669)	(5,324)
Recoveries	1,045	702
Provision	(1,688)	7,847
Ending allowance	6,182	10,416
Non-Real Estate \| Agricultural
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	240	183
ASC 326 Adoption Day 1 Adjustment	(98)
Charge-offs	0	(460)
Recoveries	414	133
Provision	(459)	384
Ending allowance	97	240
Non-Real Estate \| Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	2,194	2,363
ASC 326 Adoption Day 1 Adjustment	2,971
Charge-offs	(1,694)	(563)
Recoveries	205	91
Provision	(965)	303
Ending allowance	2,711	2,194
Non-Real Estate \| Commercial leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	4,879	2,486
ASC 326 Adoption Day 1 Adjustment	(162)
Charge-offs	0	(150)
Recoveries	0	5
Provision	(2,769)	2,538
Ending allowance	1,948	4,879
Non-Real Estate \| Consumer and other
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	2,506	1,371
ASC 326 Adoption Day 1 Adjustment	(1,042)
Charge-offs	(2,975)	(4,151)
Recoveries	426	473
Provision	2,511	4,813
Ending allowance	1,426	2,506
Non-Real Estate \| Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	597	788
ASC 326 Adoption Day 1 Adjustment	(591)
Charge-offs	0	0
Recoveries	0	0
Provision	(6)	(191)
Ending allowance	$ 0	$ 597

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

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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

+ Details

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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 6
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-6

Reference 2: 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

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- Definition

Amount, excluding accrued interest, of credit loss expense (reversal of expense) on financing receivable from change in methodology. 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 11
-Subparagraph (e)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147479319/326-20-50-11

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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

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