Annual report pursuant to Section 13 and 15(d)

LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Schedule of Activity in the Allowance for Loan Losses by Portfolio Class) (Details)

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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, 2023
Dec. 31, 2022
Dec. 31, 2021
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance $ 25,068 $ 21,606 $ 23,816
Provision for credit losses 9,595 7,397 (2,842)
Charge-Offs (9,292) (7,906) (4,827)
Recoveries 4,570 3,971 5,459
Net (Charge-Offs) Recoveries (4,722) (3,935) 632
Ending Balance 29,941 25,068 21,606
Commercial, Financial, Agricultural [Member]      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 1,506 2,191 2,204
Provision for credit losses 210 316 (227)
Charge-Offs (511) (1,308) (239)
Recoveries 277 307 453
Net (Charge-Offs) Recoveries (234) (1,001) 214
Ending Balance 1,482 1,506 2,191
Real Estate - Construction [Member]      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 2,654 3,302 2,479
Provision for credit losses (154) (658) 813
Charge-Offs 0 0 0
Recoveries 2 10 10
Net (Charge-Offs) Recoveries 2 10 10
Ending Balance 2,502 2,654 3,302
Real Estate - Commercial Mortgage [Member]      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 4,815 5,810 7,029
Provision for credit losses 1,035 (746) (1,679)
Charge-Offs (120) (355) (405)
Recoveries 52 106 865
Net (Charge-Offs) Recoveries (68) (249) 460
Ending Balance 5,782 4,815 5,810
Real Estate - Residential [Member]      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 10,741 4,129 5,440
Provision for credit losses 4,141 6,328 (1,956)
Charge-Offs (79) 0 (108)
Recoveries 253 284 753
Net (Charge-Offs) Recoveries 174 284 645
Ending Balance 15,056 10,741 4,129
Real Estate - Home Equity [Member]      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 1,864 2,296 3,111
Provision for credit losses (233) (422) (1,125)
Charge-Offs (39) (193) (103)
Recoveries 226 183 413
Net (Charge-Offs) Recoveries 187 (10) 310
Ending Balance 1,818 1,864 2,296
Consumer [Member]      
Financing Receivable, Allowance for Credit Loss [Roll Forward]      
Beginning Balance 3,488 3,878 3,553
Provision for credit losses 4,596 2,579 1,332
Charge-Offs (8,543) (6,050) (3,972)
Recoveries 3,760 3,081 2,965
Net (Charge-Offs) Recoveries (4,783) (2,969) (1,007)
Ending Balance $ 3,301 $ 3,488 $ 3,878