LHFI and ACL, LHFI - Schedule of Amortized Cost Basis of Loans on Nonaccrual Status (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	$ 19,182	$ 21,094
Total Nonaccrual	75,027	65,972
Loans Past Due 90 Days or More Still Accruing	3,911	3,929
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	108	137
Total Nonaccrual	2,596	1,902
Loans Past Due 90 Days or More Still Accruing		0
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	2,115	482
Total Nonaccrual	5,557	3,957
Loans Past Due 90 Days or More Still Accruing	661	534
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	4,084	4,841
Total Nonaccrual	7,232	6,957
Other Real Estate Secured [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL		0
Total Nonaccrual	216	231
Other Construction [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	7,620
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	0	1,193
Total Nonaccrual	26,587	19,775
Loans Past Due 90 Days or More Still Accruing	2,907	3,118
Commercial and Industrial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL	12,875	14,441
Total Nonaccrual	23,686	25,102
Loans Past Due 90 Days or More Still Accruing	84
Consumer Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Total Nonaccrual	232	181
Loans Past Due 90 Days or More Still Accruing	231	277
Other Commercial Loans [Member]
Financing Receivable Allowance For Credit Losses [Line Items]
Nonaccrual With No ACL		0
Total Nonaccrual	1,301	$ 247
Loans Past Due 90 Days or More Still Accruing	$ 28