LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Loan Portfolio Aging) (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Financing Receivable, Recorded Investment, Past Due [Line Items]
Nonaccrual loans	$ 2,409	$ 4,322
Total Loans	2,346,185	1,931,465
Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	6,263	3,600
Total Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	2,337,513	1,923,543
30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	4,201	2,790
60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	2,062	810
90 +DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Commercial, Financial and Agricultural [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	246,304
Nonaccrual loans	79	90
Total Loans	246,304	223,086
Commercial, Financial and Agricultural [Member] | Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	342	123
Commercial, Financial and Agricultural [Member] | Total Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	245,883	222,873
Commercial, Financial and Agricultural [Member] | 30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	274	100
Commercial, Financial and Agricultural [Member] | 60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	68	23
Commercial, Financial and Agricultural [Member] | 90 +DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Construction [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	237,718
Nonaccrual loans	0	0
Total Loans	237,718	174,394
Real Estate - Construction [Member] | Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Construction [Member] | Total Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	237,718	174,394
Real Estate - Construction [Member] | 30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Construction [Member] | 60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Construction [Member] | 90 +DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Commercial Mortgage [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	715,870
Nonaccrual loans	480	604
Total Loans	715,870	663,550
Real Estate - Commercial Mortgage [Member] | Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	1,098	151
Real Estate - Commercial Mortgage [Member] | Total Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	714,292	662,795
Real Estate - Commercial Mortgage [Member] | 30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	1,098	151
Real Estate - Commercial Mortgage [Member] | 60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Commercial Mortgage [Member] | 90 +DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Residential [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	594,785
Nonaccrual loans	805	2,097
Total Loans	594,785	360,021
Real Estate - Residential [Member] | Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	1,351	516
Real Estate - Residential [Member] | Total Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	592,629	357,408
Real Estate - Residential [Member] | 30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	114	365
Real Estate - Residential [Member] | 60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	1,237	151
Real Estate - Residential [Member] | 90 +DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Real Estate - Home Equity [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	202,512
Nonaccrual loans	796	1,319
Total Loans	202,512	187,821
Real Estate - Home Equity [Member] | Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	582	210
Real Estate - Home Equity [Member] | Total Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	201,134	186,292
Real Estate - Home Equity [Member] | 30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	564	210
Real Estate - Home Equity [Member] | 60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	18	0
Real Estate - Home Equity [Member] | 90 +DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	0	0
Consumer [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	348,996
Nonaccrual loans	249	212
Total Loans	348,996	322,593
Consumer [Member] | Total Past Due [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	2,890	2,600
Consumer [Member] | Total Current [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	345,857	319,781
Consumer [Member] | 30-59 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	2,151	1,964
Consumer [Member] | 60-89 DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	739	636
Consumer [Member] | 90 +DPD [Member]
Financing Receivable, Recorded Investment, Past Due [Line Items]
Financing Receivable	$ 0	$ 0