Quarterly report [Sections 13 or 15(d)]

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Composition of the Loan Portfolio) (Details)

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LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Composition of the Loan Portfolio) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Loan Portfolio Composition    
Total Loans $ 2,499,871 $ 2,546,118
Commercial, Financial and Agricultural [Member]    
Loan Portfolio Composition    
Total Loans 172,536 180,341
Real Estate - Construction [Member]    
Loan Portfolio Composition    
Total Loans 149,127 146,920
Real Estate - Commercial Mortgage [Member]    
Loan Portfolio Composition    
Total Loans 750,637 768,731
Real Estate - Residential [Member]    
Loan Portfolio Composition    
Total Loans 1,000,813 1,025,690
Loans in process 3,100 5,600
Real Estate - Home Equity [Member]    
Loan Portfolio Composition    
Total Loans 244,462 240,897
Consumer [Member]    
Loan Portfolio Composition    
Total Loans 182,296 183,539
Overdraft Balances $ 1,400 $ 1,200