LHFI and ACL, LHFI - Schedule of Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	$ 13,602	$ 7,533
Total Nonaccrual	96,719	84,391
Loans Past Due 90 Days or More Still Accruing	3,745	5,097
Construction, Land Development and Other Land [Member] \| Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	150	156
Total Nonaccrual	304	355
Other Secured by 1-4 Family Residential Properties [Member] \| Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	417	715
Total Nonaccrual	8,407	8,991
Loans Past Due 90 Days or More Still Accruing	532	520
Secured by Nonfarm, Nonresidential Properties [Member] \| Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	8,848	2,105
Total Nonaccrual	12,465	5,579
Other Real Estate Secured [Member] \| Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	234	234
Total Nonaccrual	395	399
Secured by 1-4 Family Residential Properties [Member] \| Other Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	3,189	3,414
Total Nonaccrual	68,556	64,293
Loans Past Due 90 Days or More Still Accruing	2,405	3,133
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	0	145
Total Nonaccrual	4,956	3,615
Consumer Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	391	385
Loans Past Due 90 Days or More Still Accruing	808	449
State and Other Political Subdivision Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Loans Past Due 90 Days or More Still Accruing		995
Other Commercial Loans and Leases [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	764	764
Total Nonaccrual	$ 1,245	$ 774