Annual report [Section 13 and 15(d), not S-K Item 405]

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Aging of the Recorded Investment in Accruing Past Due Loans by Class of Loans) (Details)

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LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Aging of the Recorded Investment in Accruing Past Due Loans by Class of Loans) (Details) - USD ($)
$ in Thousands
Dec. 31, 2024
Dec. 31, 2023
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans $ 2,651,550 $ 2,733,918
Nonaccrual Loans 6,302 6,242
Commercial, Financial, Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 189,208 225,190
Nonaccrual Loans 37 311
Real Estate - Construction [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 219,994 196,091
Nonaccrual Loans 0 322
Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 779,095 825,456
Nonaccrual Loans 566 909
Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 1,042,504 1,004,219
Nonaccrual Loans 3,127 2,990
Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 220,064 210,920
Nonaccrual Loans 1,782 999
Consumer [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 200,685 272,042
Nonaccrual Loans 790 711
Current [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 2,640,937 2,720,821
Current [Member] | Commercial, Financial, Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 188,781 224,463
Current [Member] | Real Estate - Construction [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 219,994 195,563
Current [Member] | Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 777,710 823,753
Current [Member] | Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 1,038,694 1,000,525
Current [Member] | Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 218,160 209,653
Current [Member] | Consumer [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 197,598 266,864
Past Due [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 4,311 6,855
Past Due [Member] | Commercial, Financial, Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 390 416
Past Due [Member] | Real Estate - Construction [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 206
Past Due [Member] | Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 819 794
Past Due [Member] | Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 683 704
Past Due [Member] | Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 122 268
Past Due [Member] | Consumer [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 2,297 4,467
30-59 DPD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 3,520 5,942
30-59 DPD [Member] | Commercial, Financial, Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 340 311
30-59 DPD [Member] | Real Estate - Construction [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 206
30-59 DPD [Member] | Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 719 794
30-59 DPD [Member] | Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 185 670
30-59 DPD [Member] | Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 122 268
30-59 DPD [Member] | Consumer [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 2,154 3,693
60-89 DPD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 791 913
60-89 DPD [Member] | Commercial, Financial, Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 50 105
60-89 DPD [Member] | Real Estate - Construction [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
60-89 DPD [Member] | Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 100 0
60-89 DPD [Member] | Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 498 34
60-89 DPD [Member] | Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
60-89 DPD [Member] | Consumer [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 143 774
90 +DPD [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
90 +DPD [Member] | Commercial, Financial, Agricultural [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
90 +DPD [Member] | Real Estate - Construction [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
90 +DPD [Member] | Real Estate - Commercial Mortgage [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
90 +DPD [Member] | Real Estate - Residential [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
90 +DPD [Member] | Real Estate - Home Equity [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans 0 0
90 +DPD [Member] | Consumer [Member]    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Loans $ 0 $ 0