LHFI and ACL, LHFI - Schedule of Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	$ 21,094	$ 22,769
Total Nonaccrual	65,972	62,698
Loans Past Due 90 Days or More Still Accruing	3,929	2,114
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	137	4,784
Total Nonaccrual	1,902	5,878
Loans Past Due 90 Days or More Still Accruing	0	7
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	482	1,319
Total Nonaccrual	3,957	3,418
Loans Past Due 90 Days or More Still Accruing	534	148
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	4,841	10,842
Total Nonaccrual	6,957	12,508
Other Real Estate Secured [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL		56
Total Nonaccrual	231	150
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	1,193
Total Nonaccrual	19,775	12,775
Loans Past Due 90 Days or More Still Accruing	3,118	1,655
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	14,441	1,363
Total Nonaccrual	25,102	19,328
Loans Past Due 90 Days or More Still Accruing	0
Consumer Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	181	117
Loans Past Due 90 Days or More Still Accruing	277	304
State and Other Political Subdivision Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual		3,664
Other Commercial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL		4,405
Total Nonaccrual	247	$ 4,860
Loans Past Due 90 Days or More Still Accruing	0
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	$ 7,620