LHFI and ACL, LHFI - Schedule of Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	$ 15,017	$ 27,092
Total Nonaccrual	73,825	100,008
Loans Past Due 90 Days or More Still Accruing	5,352	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	362	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	870	946
Total Nonaccrual	6,168	6,518
Loans Past Due 90 Days or More Still Accruing	889	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	10,558	20,812
Total Nonaccrual	12,156	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]
Nonaccrual With No ACL	1,989
Total Nonaccrual	2,122	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	1,577	3,235
Total Nonaccrual	19,966	43,815
Loans Past Due 90 Days or More Still Accruing	4,019	3,740
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	23	79
Total Nonaccrual	31,710	22,303
Loans Past Due 90 Days or More Still Accruing		24
Consumer Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	243	243
Loans Past Due 90 Days or More Still Accruing	444	628
Other Commercial Loans and Leases [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	$ 1,038	$ 1,206