LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Activity in Allowance for Credit Losses) (Details) - USD ($) |
3 Months Ended | 9 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Sep. 30, 2025 |
Sep. 30, 2024 |
Sep. 30, 2025 |
Sep. 30, 2024 |
Dec. 31, 2024 |
|
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |||||
| Beginning Balance | $ 29,862,000 | $ 29,219,000 | $ 29,251,000 | $ 29,941,000 | $ 29,941,000 |
| Provision for Credit Losses | 1,550,000 | 1,879,000 | 3,351,000 | 3,890,000 | |
| Charge-Offs | (1,968,000) | (2,283,000) | (5,077,000) | (6,878,000) | |
| Recoveries | 758,000 | 1,021,000 | 2,677,000 | 2,883,000 | |
| Net (Charge-Offs) Recoveries | (1,210,000) | (1,262,000) | (2,400,000) | (3,995,000) | |
| Ending Balance | 30,202,000 | 29,836,000 | 30,202,000 | 29,836,000 | 29,251,000 |
| Commercial, Financial and Agricultural [Member] | |||||
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |||||
| Beginning Balance | 1,425,000 | 1,575,000 | 1,514,000 | 1,482,000 | 1,482,000 |
| Provision for Credit Losses | 370,000 | 134,000 | 331,000 | 809,000 | |
| Charge-Offs | (373,000) | (331,000) | (615,000) | (1,013,000) | (1,512,000) |
| Recoveries | 95,000 | 176,000 | 287,000 | 276,000 | |
| Net (Charge-Offs) Recoveries | (278,000) | (155,000) | (328,000) | (737,000) | |
| Ending Balance | 1,517,000 | 1,554,000 | 1,517,000 | 1,554,000 | 1,514,000 |
| Real Estate - Construction [Member] | |||||
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |||||
| Beginning Balance | 1,811,000 | 1,751,000 | 2,384,000 | 2,502,000 | 2,502,000 |
| Provision for Credit Losses | (352,000) | 442,000 | (925,000) | (309,000) | |
| Charge-Offs | 0 | 0 | 0 | 0 | (47,000) |
| Recoveries | 0 | 0 | 0 | 0 | |
| Net (Charge-Offs) Recoveries | 0 | 0 | 0 | 0 | |
| Ending Balance | 1,459,000 | 2,193,000 | 1,459,000 | 2,193,000 | 2,384,000 |
| Real Estate - Commercial Mortgage [Member] | |||||
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |||||
| Beginning Balance | 6,256,000 | 6,076,000 | 5,867,000 | 5,782,000 | 5,782,000 |
| Provision for Credit Losses | 268,000 | 547,000 | 648,000 | 618,000 | |
| Charge-Offs | 0 | (3,000) | 0 | (3,000) | (3,000) |
| Recoveries | 8,000 | 5,000 | 17,000 | 228,000 | |
| Net (Charge-Offs) Recoveries | 8,000 | 2,000 | 17,000 | 225,000 | |
| Ending Balance | 6,532,000 | 6,625,000 | 6,532,000 | 6,625,000 | 5,867,000 |
| Real Estate - Residential [Member] | |||||
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |||||
| Beginning Balance | 15,264,000 | 14,788,000 | 14,568,000 | 15,056,000 | 15,056,000 |
| Provision for Credit Losses | 164,000 | (240,000) | 733,000 | (551,000) | |
| Charge-Offs | (12,000) | 0 | (69,000) | (17,000) | (61,000) |
| Recoveries | 13,000 | 88,000 | 197,000 | 148,000 | |
| Net (Charge-Offs) Recoveries | 1,000 | 88,000 | 128,000 | 131,000 | |
| Ending Balance | 15,429,000 | 14,636,000 | 15,429,000 | 14,636,000 | 14,568,000 |
| Real Estate - Home Equity [Member] | |||||
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |||||
| Beginning Balance | 2,014,000 | 1,865,000 | 1,952,000 | 1,818,000 | 1,818,000 |
| Provision for Credit Losses | 200,000 | (49,000) | 235,000 | 13,000 | |
| Charge-Offs | (10,000) | (23,000) | (34,000) | (99,000) | (132,000) |
| Recoveries | 10,000 | 59,000 | 61,000 | 120,000 | |
| Net (Charge-Offs) Recoveries | 0 | 36,000 | 27,000 | 21,000 | |
| Ending Balance | 2,214,000 | 1,852,000 | 2,214,000 | 1,852,000 | 1,952,000 |
| Consumer [Member] | |||||
| Financing Receivable, Allowance for Credit Loss [Roll Forward] | |||||
| Beginning Balance | 3,092,000 | 3,164,000 | 2,966,000 | 3,301,000 | 3,301,000 |
| Provision for Credit Losses | 900,000 | 1,045,000 | 2,329,000 | 3,310,000 | |
| Charge-Offs | (1,573,000) | (1,926,000) | (4,359,000) | (5,746,000) | (7,627,000) |
| Recoveries | 632,000 | 693,000 | 2,115,000 | 2,111,000 | |
| Net (Charge-Offs) Recoveries | (941,000) | (1,233,000) | (2,244,000) | (3,635,000) | |
| Ending Balance | $ 3,051,000 | $ 2,976,000 | $ 3,051,000 | $ 2,976,000 | $ 2,966,000 |