LHFI and ACL, LHFI - Schedule of Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	$ 3,259	$ 4,400
Total Nonaccrual	83,955	80,109
Loans Past Due 90 Days or More Still Accruing	4,853	4,092
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	160
Total Nonaccrual	278	366
Loans Past Due 90 Days or More Still Accruing		159
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	461	521
Total Nonaccrual	8,120	7,275
Loans Past Due 90 Days or More Still Accruing	648	266
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	871	426
Total Nonaccrual	4,301	13,061
Other Real Estate Secured [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	234	1,904
Total Nonaccrual	386	1,984
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	1,419	1,533
Total Nonaccrual	54,006	31,583
Loans Past Due 90 Days or More Still Accruing	3,557	3,253
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	114	16
Total Nonaccrual	15,637	24,525
Consumer Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	455	236
Loans Past Due 90 Days or More Still Accruing	648	414
Other Commercial Loans and Leases [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	$ 772	$ 1,079