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)

v3.25.3
LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Recorded Investment in Nonaccrual and Past Due Loans) (Details) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL $ 6,056 $ 2,982
Nonaccrual, with ACL 2,139 3,320
90+ Days Still Accruing 0 0
Commercial, Financial and Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 1,210 0
Nonaccrual, with ACL 156 37
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 1,780 427
Nonaccrual, with ACL 227 139
90+ Days Still Accruing 0 0
Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 1,452 2,046
Nonaccrual, with ACL 804 1,081
90+ Days Still Accruing 0 0
Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Nonaccrual With No ACL 1,614 509
Nonaccrual, with ACL 224 1,273
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 728 790
90+ Days Still Accruing $ 0 $ 0