LHFI and ACL, LHFI - Past Due Modifications Related To Loans Held For Investment (Details) - Troubled Debt Restructurings [Member] $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($)
Financing Receivable Modifications [Line Items]
Total	$ 2,737
30 Days or More Past Due [Member]
Financing Receivable Modifications [Line Items]
Total	371
Past Due 60 to 89 Days [Member]
Financing Receivable Modifications [Line Items]
Total	17
Past Due
Financing Receivable Modifications [Line Items]
Total	388
Current Loans
Financing Receivable Modifications [Line Items]
Total	2,349
Secured by 1-4 Family Residential Properties [Member] | Other Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Total	1,148
Secured by 1-4 Family Residential Properties [Member] | Other Loans Secured by Real Estate [Member] | 30 Days or More Past Due [Member]
Financing Receivable Modifications [Line Items]
Total	64
Secured by 1-4 Family Residential Properties [Member] | Other Loans Secured by Real Estate [Member] | Past Due
Financing Receivable Modifications [Line Items]
Total	64
Secured by 1-4 Family Residential Properties [Member] | Other Loans Secured by Real Estate [Member] | Current Loans
Financing Receivable Modifications [Line Items]
Total	1,084
Other Secured by 1-4 Family Residential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Total	805
Other Secured by 1-4 Family Residential Properties [Member] | Loans Secured by Real Estate [Member] | 30 Days or More Past Due [Member]
Financing Receivable Modifications [Line Items]
Total	290
Other Secured by 1-4 Family Residential Properties [Member] | Loans Secured by Real Estate [Member] | Past Due 60 to 89 Days [Member]
Financing Receivable Modifications [Line Items]
Total	17
Other Secured by 1-4 Family Residential Properties [Member] | Loans Secured by Real Estate [Member] | Past Due
Financing Receivable Modifications [Line Items]
Total	307
Other Secured by 1-4 Family Residential Properties [Member] | Loans Secured by Real Estate [Member] | Current Loans
Financing Receivable Modifications [Line Items]
Total	498
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Total	359
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member] | Current Loans
Financing Receivable Modifications [Line Items]
Total	359
Commercial and Industrial Loans [Member]
Financing Receivable Modifications [Line Items]
Total	242
Commercial and Industrial Loans [Member] | Current Loans
Financing Receivable Modifications [Line Items]
Total	242
Consumer Loans [Member]
Financing Receivable Modifications [Line Items]
Total	36
Consumer Loans [Member] | 30 Days or More Past Due [Member]
Financing Receivable Modifications [Line Items]
Total	17
Consumer Loans [Member] | Past Due
Financing Receivable Modifications [Line Items]
Total	17
Consumer Loans [Member] | Current Loans
Financing Receivable Modifications [Line Items]
Total	19
Other Commercial Loans and Leases [Member]
Financing Receivable Modifications [Line Items]
Total	147
Other Commercial Loans and Leases [Member] | Current Loans
Financing Receivable Modifications [Line Items]
Total	$ 147