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