LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Activity in the Allowance for Loan Losses by Portfolio Class) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 29,941	$ 25,068	$ 21,606
Provision for credit losses	4,975	9,595	7,397
Charge-Offs	(9,382)	(9,292)	(7,906)
Recoveries	3,717	4,570	3,971
Net (Charge-Offs) Recoveries	(5,665)	(4,722)	(3,935)
Ending Balance	29,251	29,941	25,068
Commercial, Financial, Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,482	1,506	2,191
Provision for credit losses	1,165	210	316
Charge-Offs	(1,512)	(511)	(1,308)
Recoveries	379	277	307
Net (Charge-Offs) Recoveries	(1,133)	(234)	(1,001)
Ending Balance	1,514	1,482	1,506
Real Estate - Construction [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,502	2,654	3,302
Provision for credit losses	(74)	(154)	(658)
Charge-Offs	(47)	0	0
Recoveries	3	2	10
Net (Charge-Offs) Recoveries	(44)	2	10
Ending Balance	2,384	2,502	2,654
Real Estate - Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	5,782	4,815	5,810
Provision for credit losses	(173)	1,035	(746)
Charge-Offs	(3)	(120)	(355)
Recoveries	261	52	106
Net (Charge-Offs) Recoveries	258	(68)	(249)
Ending Balance	5,867	5,782	4,815
Real Estate - Residential [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	15,056	10,741	4,129
Provision for credit losses	(603)	4,141	6,328
Charge-Offs	(61)	(79)	0
Recoveries	176	253	284
Net (Charge-Offs) Recoveries	115	174	284
Ending Balance	14,568	15,056	10,741
Real Estate - Home Equity [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,818	1,864	2,296
Provision for credit losses	129	(233)	(422)
Charge-Offs	(132)	(39)	(193)
Recoveries	137	226	183
Net (Charge-Offs) Recoveries	5	187	(10)
Ending Balance	1,952	1,818	1,864
Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	3,301	3,488	3,878
Provision for credit losses	4,531	4,596	2,579
Charge-Offs	(7,627)	(8,543)	(6,050)
Recoveries	2,761	3,760	3,081
Net (Charge-Offs) Recoveries	(4,866)	(4,783)	(2,969)
Ending Balance	$ 2,966	$ 3,301	$ 3,488