Allowance for Credit Losses on Loans - Schedule of Changes in Allowance for Loan Losses, by Portfolio Type (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2026	Mar. 31, 2025	Dec. 31, 2025
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	$ 40,755	$ 34,811	$ 34,811
Charge-offs	(5,438)	(6,877)	(77,178)
Recoveries	546	240
Provision	2,625	14,848
Ending allowance	38,488	43,022	40,755
Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Unfunded lending commitments, beginning of period	700	1,210	1,210
Provision	0	(300)
Unfunded lending commitments, end of period	700	910	700
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Total, beginning balance	41,455	36,021	36,021
Charge-offs	(5,438)	(6,877)	(77,178)
Recoveries	546	240
Provision	2,625	14,548
Total, ending balance	39,188	43,932	41,455
Real Estate:
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	29,033	28,703	28,703
Charge-offs	(2,851)	(5,794)
Recoveries	208	15
Provision	(192)	13,832
Ending allowance	26,198	36,756	29,033
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(2,851)	(5,794)
Recoveries	208	15
Real Estate: \| Construction & land development
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	2,079	3,930	3,930
Charge-offs	0	(5,794)	(5,794)
Recoveries	0	0
Provision	(423)	8,285
Ending allowance	1,656	6,421	2,079
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	0	(5,794)	(5,794)
Recoveries	0	0
Real Estate: \| Farmland
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	183	50	50
Charge-offs	0	0	(68)
Recoveries	0	0
Provision	(36)	0
Ending allowance	147	50	183
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	0	0	(68)
Recoveries	0	0
Real Estate: \| 1- 4 family
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	13,340	9,243	9,243
Charge-offs	(1,492)	0	(657)
Recoveries	203	10
Provision	1,260	618
Ending allowance	13,311	9,871	13,340
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(1,492)	0	(657)
Recoveries	203	10
Real Estate: \| Multifamily
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	1,377	3,949	3,949
Charge-offs	(25)	0	(10,670)
Recoveries	0	0
Provision	(528)	1,345
Ending allowance	824	5,294	1,377
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(25)	0	(10,670)
Recoveries	0	0
Real Estate: \| Non-farm non-residential
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	12,054	11,531	11,531
Charge-offs	(1,334)	0	(12,891)
Recoveries	5	5
Provision	(465)	3,584
Ending allowance	10,260	15,120	12,054
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(1,334)	0	(12,891)
Recoveries	5	5
Non-Real Estate:
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	11,722	6,108	6,108
Charge-offs	(2,587)	(1,083)
Recoveries	338	225
Provision	2,817	1,016
Ending allowance	12,290	6,266	11,722
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(2,587)	(1,083)
Recoveries	338	225
Non-Real Estate: \| Agricultural
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	173	204	204
Charge-offs	(213)	(169)	(169)
Recoveries	147	0
Provision	140	52
Ending allowance	247	87	173
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(213)	(169)	(169)
Recoveries	147	0
Non-Real Estate: \| Commercial and industrial
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	6,271	1,994	1,994
Charge-offs	(2,002)	(418)	(1,339)
Recoveries	92	25
Provision	(2,016)	514
Ending allowance	2,345	2,115	6,271
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(2,002)	(418)	(1,339)
Recoveries	92	25
Non-Real Estate: \| Commercial leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	1,192	1,719	1,719
Charge-offs	(92)	0	(44,207)
Recoveries	0	0
Provision	5,559	107
Ending allowance	6,659	1,826	1,192
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(92)	0	(44,207)
Recoveries	0	0
Non-Real Estate: \| Consumer and other loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	1,007	1,337	1,337
Charge-offs	(280)	(496)	(1,383)
Recoveries	99	200
Provision	40	107
Ending allowance	866	1,148	1,007
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	(280)	(496)	(1,383)
Recoveries	99	200
Non-Real Estate: \| Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning allowance	3,079	854	854
Charge-offs	0	0
Recoveries	0	0
Provision	(906)	236
Ending allowance	2,173	1,090	$ 3,079
Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability [Roll Forward]
Charge-offs	0	0
Recoveries	$ 0	$ 0

Allowance For Loan And Lease Losses And Off-Balance-Sheet, Credit Loss, Liability

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Financing Receivable, Allowance For Credit Loss, Excluding Accrued Interest Including, Off-Balance-Sheet, Credit Loss, Liability

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Financing Receivable, Excluding Accrued Interest, And Off-Balance Sheet, Credit Loss, Liability, Credit Loss Expense (Reversal)

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

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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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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
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-Section 50
-Paragraph 22
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-Publisher FASB
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- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-2

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482454/460-10-45-1

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Amount of expense (reversal of expense) for expected credit loss for off-balance sheet credit exposure. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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