Loans and Allowance for Credit Losses - Summary of Loan Modifications to Borrowers Experiencing Financial Difficulty (Details) $ in Thousands	9 Months Ended	12 Months Ended
Sep. 30, 2026 USD ($) Loan	Dec. 31, 2025 USD ($) Loan
Financing Receivable, Modified [Line Items]
Number of loans \| Loan	7
Post-restructured recorded investment	$ 8,282
Total Class of loan	0.20%
Term extension	$ 2,169
Other payment modifications	2,445
Combined term extension and payment deferral	$ 3,668
Real Estate \| Non-Farm Non-Residential Owner Occupied
Financing Receivable, Modified [Line Items]
Number of loans \| Loan	1
Post-restructured recorded investment	$ 2,445
Total Class of loan	0.40%
WAR	0.00%
Other payment modifications	$ 2,445
Real Estate \| Residential
Financing Receivable, Modified [Line Items]
Number of loans \| Loan	3
Post-restructured recorded investment	$ 1,669
Total Class of loan	0.30%
Term extension	$ 1,669
WAR	0.00%
Commercial & Industrial
Financing Receivable, Modified [Line Items]
Number of loans \| Loan	3	1
Post-restructured recorded investment	$ 4,168	$ 2,812
Total Class of loan	0.20%	0.10%
Term extension	$ 500	$ 2,812
WAR	1.48%	0.00%
Combined term extension and payment deferral	$ 3,668

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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