Quarterly report [Sections 13 or 15(d)]

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

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LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Collateral-Dependent Loans) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans $ 2,518,404 $ 2,546,118
Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 8,100 6,400
Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 7,062 5,286
Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 1,074 1,087
Commercial, Financial and Agricultural [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 170,268 180,341
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 1,074 1,087
Real Estate - Construction [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 156,630 146,920
Real Estate - Construction [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 0 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 755,800 768,731
Real Estate - Commercial Mortgage [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 3,073 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 1,011,067 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 2,628 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 243,932 240,897
Real Estate - Home Equity [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 1,361 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 180,707 183,539
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