Quarterly report [Sections 13 or 15(d)]

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Recorded Investment in Nonaccrual and Past Due Loans) (Details)

v3.26.1
LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Recorded Investment in Nonaccrual and Past Due Loans) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL $ 6,662 $ 4,448
Nonaccrual, with ACL 4,481 4,147
90+ Days Still Accruing 0 0
Commercial, Financial and Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 1,026 1,038
Nonaccrual, with ACL 434 240
90+ Days Still Accruing 0 0
Real Estate - Construction [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 0 0
Nonaccrual, with ACL 0 0
90+ Days Still Accruing 0 0
Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 1,674 753
Nonaccrual, with ACL 1,597 1,807
90+ Days Still Accruing 0 0
Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 2,605 1,275
Nonaccrual, with ACL 1,055 868
90+ Days Still Accruing 0 0
Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 1,357 1,382
Nonaccrual, with ACL 512 387
90+ Days Still Accruing 0 0
Consumer [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 0 0
Nonaccrual, with ACL 883 845
90+ Days Still Accruing $ 0 $ 0