LHFI and ACL, LHFI - Impact of Modifications Classified as Troubled Debt Restructurings (Details) - Troubled Debt Restructurings [Member] - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 750	$ 1,626
% of Total Class of Loan	0.01%	0.02%
Pre-Modification Outstanding Recorded Investment	$ 372	$ 372
Post-Modification Outstanding Recorded Investment	1,122	1,998
Other Secured by 1-4 Family Residential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 401	$ 401
% of Total Class of Loan	0.07%	0.07%
Post-Modification Outstanding Recorded Investment	$ 401	$ 401
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis		$ 384
% of Total Class of Loan		0.01%
Post-Modification Outstanding Recorded Investment		$ 384
Secured by 1-4 Family Residential Properties [Member] | Other Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 276	$ 768
% of Total Class of Loan	0.01%	0.03%
Post-Modification Outstanding Recorded Investment	$ 276	$ 768
Commercial and Industrial Loans [Member]
Financing Receivable Modifications [Line Items]
% of Total Class of Loan	0.01%	0.01%
Pre-Modification Outstanding Recorded Investment	$ 255	$ 255
Post-Modification Outstanding Recorded Investment	255	255
Consumer Loans [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 42	$ 42
% of Total Class of Loan	0.03%	0.03%
Post-Modification Outstanding Recorded Investment	$ 42	$ 42
Other Commercial Loans [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 31	$ 31
% of Total Class of Loan	0.03%	0.03%
Pre-Modification Outstanding Recorded Investment	$ 117	$ 117
Post-Modification Outstanding Recorded Investment	$ 148	$ 148