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, 2025	Dec. 31, 2024
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	$ 2,546,118	$ 2,651,550
Nonaccrual Loans	8,595	6,302
Commercial, Financial, Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	180,341	189,208
Nonaccrual Loans	1,278	37
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	146,920	219,994
Nonaccrual Loans	0	0
Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	768,731	779,095
Nonaccrual Loans	2,560	566
Real Estate - Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,025,690	1,042,504
Nonaccrual Loans	2,143	3,127
Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	240,897	220,064
Nonaccrual Loans	1,769	1,782
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	183,539	200,685
Nonaccrual Loans	845	790
Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,530,506	2,640,937
Current [Member] | Commercial, Financial, Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	178,354	188,781
Current [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	146,625	219,994
Current [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	764,785	777,710
Current [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,020,810	1,038,694
Current [Member] | Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	239,061	218,160
Current [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	180,871	197,598
Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	7,017	4,311
Past Due [Member] | Commercial, Financial, Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	709	390
Past Due [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	295	0
Past Due [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,386	819
Past Due [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,737	683
Past Due [Member] | Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	67	122
Past Due [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,823	2,297
30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	4,653	3,520
30-59 DPD [Member] | Commercial, Financial, Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	537	340
30-59 DPD [Member] | Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	295	0
30-59 DPD [Member] | Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,386	719
30-59 DPD [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	807	185
30-59 DPD [Member] | Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	67	122
30-59 DPD [Member] | Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,561	2,154
60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	2,364	791
60-89 DPD [Member] | Commercial, Financial, Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	172	50
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	0	100
60-89 DPD [Member] | Real Estate - Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Loans	1,930	498
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	262	143
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