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, 2025	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 29,682	$ 3,585	$ 2,379
Pre-Modification Outstanding Recorded Investment	578	6,207	358
Post-Modification Outstanding Recorded Investment	$ 30,260	$ 9,792	$ 2,737
% of Total Class of Loan	0.22%	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	$ 2,708	$ 3,456	$ 805
Post-Modification Outstanding Recorded Investment	$ 2,708	$ 3,456	$ 805
% of Total Class of Loan	0.38%	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%
Other Real Estate Secured [Member] \| Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 15,000
Post-Modification Outstanding Recorded Investment	$ 15,000
% of Total Class of Loan	0.71%
Secured by 1-4 Family Residential Properties [Member] \| Other Loans Secured by Real Estate [Member]
Financing Receivable Modifications [Line Items]
Amortized Cost Basis	$ 11,974	$ 129	$ 1,148
Post-Modification Outstanding Recorded Investment	$ 11,974	$ 129	$ 1,148
% of Total Class of Loan	0.51%	0.01%	0.05%
Commercial and Industrial Loans [Member]
Financing Receivable Modifications [Line Items]
Pre-Modification Outstanding Recorded Investment	$ 578	$ 6,207	$ 242
Post-Modification Outstanding Recorded Investment	$ 578	$ 6,207	$ 242
% of Total Class of Loan	0.03%	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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