LHFI and ACL, LHFI - Impact of Modifications Classified as Troubled Debt Restructurings (Details) - Troubled Debt Restructurings [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2024	Dec. 31, 2023
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 3,585	$ 2,379
Pre-Modification Outstanding Recorded Investment	6,207	358
Post-Modification Outstanding Recorded Investment	$ 9,792	$ 2,737
% of Total Class of Loan	0.07%	0.02%
Other Secured by 1-4 Family Residential Properties [Member] \| Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 3,456	$ 805
Post-Modification Outstanding Recorded Investment	$ 3,456	$ 805
% of Total Class of Loan	0.53%	0.13%
Secured by Nonfarm, Nonresidential Properties [Member] \| Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis		$ 359
Post-Modification Outstanding Recorded Investment		$ 359
% 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]
Amortized Cost Basis	$ 129	$ 1,148
Post-Modification Outstanding Recorded Investment	$ 129	$ 1,148
% of Total Class of Loan	0.01%	0.05%
Commercial and Industrial Loans [Member]
Financing Receivable Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 6,207	$ 242
Post-Modification Outstanding Recorded Investment	$ 6,207	$ 242
% of Total Class of Loan	0.34%	0.01%
Consumer Loans [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis		$ 36
Post-Modification Outstanding Recorded Investment		$ 36
% of Total Class of Loan		0.02%
Other Commercial Loans and Leases [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis		$ 31
Pre-Modification Outstanding Recorded Investment		116
Post-Modification Outstanding Recorded Investment		$ 147
% of Total Class of Loan		0.03%

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- Definition

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