LHFI and ACL, LHFI - Schedule of Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	$ 11,689	$ 27,092
Total Nonaccrual	44,292	100,008
Loans Past Due 90 Days or More Still Accruing	5,413	5,790
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		2,020
Total Nonaccrual	226	2,642
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	907	946
Total Nonaccrual	7,167	6,518
Loans Past Due 90 Days or More Still Accruing	326	1,238
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	9,730	20,812
Total Nonaccrual	11,547	23,061
Loans Past Due 90 Days or More Still Accruing		54
Other Real Estate Secured [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	120	158
Loans Past Due 90 Days or More Still Accruing		106
Other Construction Financing Receivable [Member] | Other Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	0
Total Nonaccrual	60	62
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	1,019	3,235
Total Nonaccrual	6,946	43,815
Loans Past Due 90 Days or More Still Accruing	4,635	3,740
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	33	79
Total Nonaccrual	16,874	22,303
Loans Past Due 90 Days or More Still Accruing	39	24
Consumer Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	326	243
Loans Past Due 90 Days or More Still Accruing	413	628
Other Commercial Loans and Leases [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	$ 1,026	$ 1,206