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, 2025
Dec. 31, 2024
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans $ 2,660,770 $ 2,651,550
Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 4,500 3,600
Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 3,207 3,554
Non real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 1,263 94
Commercial, Financial and Agricultural [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 184,393 189,208
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 1,210 39
Real Estate - Construction [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 192,282 219,994
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 806,942 779,095
Real Estate - Commercial Mortgage [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 798 427
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 1,043,821 1,042,504
Real Estate - Residential [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 1,343 2,476
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 225,987 220,064
Real Estate - Home Equity [Member] | Real estate secured [Member] | Asset Pledged as Collateral [Member]    
Loans and Leases Receivable Disclosure [Line Items]    
Total Loans 1,066 651
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 207,345 200,685
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 $ 53 $ 55