LHFI and ACL, LHFI - Impact of Modifications Classified as Troubled Debt Restructurings (Details) - Troubled Debt Restructurings [Member] $ in Thousands	3 Months Ended
	Mar. 31, 2023 USD ($)
Financing Receivable Modifications [Line Items]
Term Extension	$ 876
% of Total Class of Loan	0.01%
Secured by Nonfarm, Nonresidential Properties [Member] | Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Term Extension	$ 384
% of Total Class of Loan	0.01%
Secured by 1-4 Family Residential Properties [Member] | Other Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Term Extension	$ 492
% of Total Class of Loan	0.02%