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, 2025	Dec. 31, 2024	Dec. 31, 2023
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	$ 29,251	$ 29,941	$ 25,068
Provision for credit losses	5,335	4,975	9,595
Charge-Offs	(6,920)	(9,382)	(9,292)
Recoveries	3,335	3,717	4,570
Net (Charge-Offs) Recoveries	(3,585)	(5,665)	(4,722)
Ending Balance	31,001	29,251	29,941
Commercial, Financial, Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,514	1,482	1,506
Provision for credit losses	688	1,165	210
Charge-Offs	(782)	(1,512)	(511)
Recoveries	331	379	277
Net (Charge-Offs) Recoveries	(451)	(1,133)	(234)
Ending Balance	1,751	1,514	1,482
Real Estate - Construction [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,384	2,502	2,654
Provision for credit losses	(703)	(74)	(154)
Charge-Offs	0	(47)	0
Recoveries	0	3	2
Net (Charge-Offs) Recoveries	0	(44)	2
Ending Balance	1,681	2,384	2,502
Real Estate - Commercial Mortgage [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	5,867	5,782	4,815
Provision for credit losses	950	(173)	1,035
Charge-Offs	(4)	(3)	(120)
Recoveries	46	261	52
Net (Charge-Offs) Recoveries	42	258	(68)
Ending Balance	6,859	5,867	5,782
Real Estate - Residential [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	14,568	15,056	10,741
Provision for credit losses	680	(603)	4,141
Charge-Offs	(136)	(61)	(79)
Recoveries	205	176	253
Net (Charge-Offs) Recoveries	69	115	174
Ending Balance	15,317	14,568	15,056
Real Estate - Home Equity [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	1,952	1,818	1,864
Provision for credit losses	393	129	(233)
Charge-Offs	(44)	(132)	(39)
Recoveries	67	137	226
Net (Charge-Offs) Recoveries	23	5	187
Ending Balance	2,368	1,952	1,818
Consumer [Member]
Financing Receivable, Allowance for Credit Loss [Roll Forward]
Beginning Balance	2,966	3,301	3,488
Provision for credit losses	3,327	4,531	4,596
Charge-Offs	(5,954)	(7,627)	(8,543)
Recoveries	2,686	2,761	3,760
Net (Charge-Offs) Recoveries	(3,268)	(4,866)	(4,783)
Ending Balance	$ 3,025	$ 2,966	$ 3,301