LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Collateral-Dependent Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 2,499,871	$ 2,546,118
Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	16,700	6,400
Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	15,488	5,286
Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,165	1,087
Commercial, Financial and Agricultural [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	172,536	180,341
Commercial, Financial and Agricultural [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Commercial, Financial and Agricultural [Member] \| Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,165	1,087
Real Estate - Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	149,127	146,920
Real Estate - Construction [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	379	0
Real Estate - Construction [Member] \| Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Real Estate - Commercial Mortgage [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	750,637	768,731
Real Estate - Commercial Mortgage [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	12,164	2,450
Real Estate - Commercial Mortgage [Member] \| Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Real Estate - Residential [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,000,813	1,025,690
Real Estate - Residential [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,142	1,275
Real Estate - Residential [Member] \| Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Real Estate - Home Equity [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	244,462	240,897
Real Estate - Home Equity [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	803	1,561
Real Estate - Home Equity [Member] \| Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	182,296	183,539
Consumer [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	0
Consumer [Member] \| Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 0	$ 0