Quarterly report [Sections 13 or 15(d)]

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Collateral-Dependent Loans) (Details)

v3.26.3
LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Collateral-Dependent Loans) (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans $ 2,489,724 $ 2,546,118
Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 14,700 6,400
Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 14,635 5,286
Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 46 1,087
Commercial, Financial and Agricultural [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 168,144 180,341
Commercial, Financial and Agricultural [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 0 0
Commercial, Financial and Agricultural [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 46 1,087
Real Estate - Construction [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 149,335 146,920
Real Estate - Construction [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 379 0
Real Estate - Construction [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 0 0
Real Estate - Commercial Mortgage [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 736,380 768,731
Real Estate - Commercial Mortgage [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 11,697 2,450
Real Estate - Commercial Mortgage [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 0 0
Real Estate - Residential [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 1,004,438 1,025,690
Real Estate - Residential [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 2,168 1,275
Real Estate - Residential [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 0 0
Real Estate - Home Equity [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 246,120 240,897
Real Estate - Home Equity [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 391 1,561
Real Estate - Home Equity [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 0 0
Consumer [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 185,307 183,539
Consumer [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 0 0
Consumer [Member] | Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans $ 0 $ 0