LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Collateral-Dependent Loans) (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	$ 2,631,490	$ 2,651,550
Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	7,300	3,600
Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	6,052	3,554
Non real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,210	94
Commercial, Financial and Agricultural [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	180,008	189,208
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	1,210	39
Real Estate - Construction [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	174,115	219,994
Real Estate - Construction [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	0	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	802,504	779,095
Real Estate - Commercial Mortgage [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,192	427
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	1,047,920	1,042,504
Real Estate - Residential [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	2,694	2,476
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	228,201	220,064
Real Estate - Home Equity [Member] \| Real estate secured [Member] \| Asset Pledged as Collateral [Member]
Loans and Leases Receivable Disclosure [Line Items]
Total Loans	1,166	651
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	198,742	200,685
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	$ 55