LOANS HELD FOR INVESTMENT AND ALLOWANCE FOR CREDIT LOSSES (Loans Held for Investment by Years of Origination) (Details) - USD ($) |
3 Months Ended | 6 Months Ended | 12 Months Ended | ||
|---|---|---|---|---|---|
Jun. 30, 2025 |
Jun. 30, 2024 |
Jun. 30, 2025 |
Jun. 30, 2024 |
Dec. 31, 2024 |
|
| Financing Receivable, Recorded Investment [Line Items] | |||||
| Total | $ 2,631,490,000 | $ 2,631,490,000 | $ 2,651,550,000 | ||
| Current Period Gross Writeoffs, Total | 1,498,000 | $ 2,032,000 | 3,109,000 | $ 4,595,000 | |
| Commercial, Financial and Agricultural [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 21,285,000 | 21,285,000 | 36,031,000 | ||
| 2024 | 30,105,000 | 30,105,000 | 40,414,000 | ||
| 2023 | 31,669,000 | 31,669,000 | 37,960,000 | ||
| 2022 | 29,682,000 | 29,682,000 | 18,454,000 | ||
| 2021 | 15,210,000 | 15,210,000 | 4,668,000 | ||
| Prior | 10,660,000 | 10,660,000 | 9,814,000 | ||
| Revolving Loans | 41,397,000 | 41,397,000 | 41,867,000 | ||
| Total | 180,008,000 | 180,008,000 | 189,208,000 | ||
| Current Period Gross Writeoffs, 2025 | 0 | 9,000 | |||
| Current Period Gross Writeoffs, 2024 | 0 | 548,000 | |||
| Current Period Gross Writeoffs, 2023 | 42,000 | 500,000 | |||
| Current Period Gross Writeoffs, 2022 | 188,000 | 111,000 | |||
| Current Period Gross Writeoffs, 2021 | 12,000 | 160,000 | |||
| Current Period Gross Writeoffs, Prior | 0 | 1,000 | |||
| Current Period Gross Writeoffs, Revolving | 0 | 183,000 | |||
| Current Period Gross Writeoffs, Total | 74,000 | 400,000 | 242,000 | 682,000 | 1,512,000 |
| Commercial, Financial and Agricultural [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 21,285,000 | 21,285,000 | 35,596,000 | ||
| 2024 | 29,681,000 | 29,681,000 | 36,435,000 | ||
| 2023 | 28,473,000 | 28,473,000 | 37,506,000 | ||
| 2022 | 29,399,000 | 29,399,000 | 18,433,000 | ||
| 2021 | 15,176,000 | 15,176,000 | 4,610,000 | ||
| Prior | 10,549,000 | 10,549,000 | 9,743,000 | ||
| Revolving Loans | 40,078,000 | 40,078,000 | 41,720,000 | ||
| Total | 174,641,000 | 174,641,000 | 184,043,000 | ||
| Commercial, Financial and Agricultural [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 0 | 0 | 435,000 | ||
| 2024 | 289,000 | 289,000 | 3,979,000 | ||
| 2023 | 3,151,000 | 3,151,000 | 261,000 | ||
| 2022 | 116,000 | 116,000 | 9,000 | ||
| 2021 | 13,000 | 13,000 | 0 | ||
| Prior | 0 | 0 | 0 | ||
| Revolving Loans | 50,000 | 50,000 | 76,000 | ||
| Total | 3,619,000 | 3,619,000 | 4,760,000 | ||
| Commercial, Financial and Agricultural [Member] | Substandard [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 0 | 0 | 0 | ||
| 2024 | 135,000 | 135,000 | 0 | ||
| 2023 | 45,000 | 45,000 | 193,000 | ||
| 2022 | 167,000 | 167,000 | 12,000 | ||
| 2021 | 21,000 | 21,000 | 58,000 | ||
| Prior | 111,000 | 111,000 | 71,000 | ||
| Revolving Loans | 1,269,000 | 1,269,000 | 71,000 | ||
| Total | 1,748,000 | 1,748,000 | 405,000 | ||
| Real Estate - Construction [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 29,488,000 | 29,488,000 | 106,703,000 | ||
| 2024 | 87,990,000 | 87,990,000 | 73,615,000 | ||
| 2023 | 27,242,000 | 27,242,000 | 31,150,000 | ||
| 2022 | 15,843,000 | 15,843,000 | 53,000 | ||
| 2021 | 53,000 | 53,000 | 0 | ||
| Prior | 193,000 | 193,000 | 185,000 | ||
| Revolving Loans | 13,306,000 | 13,306,000 | 8,288,000 | ||
| Total | 174,115,000 | 174,115,000 | 219,994,000 | ||
| Current Period Gross Writeoffs, 2025 | 0 | ||||
| Current Period Gross Writeoffs, 2024 | 0 | ||||
| Current Period Gross Writeoffs, 2023 | 47,000 | ||||
| Current Period Gross Writeoffs, 2022 | 0 | ||||
| Current Period Gross Writeoffs, 2021 | 0 | ||||
| Current Period Gross Writeoffs, Prior | 0 | ||||
| Current Period Gross Writeoffs, Revolving | 0 | ||||
| Current Period Gross Writeoffs, Total | 0 | 0 | 0 | 0 | 47,000 |
| Real Estate - Construction [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 29,488,000 | 29,488,000 | 105,148,000 | ||
| 2024 | 87,990,000 | 87,990,000 | 73,615,000 | ||
| 2023 | 26,659,000 | 26,659,000 | 29,821,000 | ||
| 2022 | 12,267,000 | 12,267,000 | 53,000 | ||
| 2021 | 53,000 | 53,000 | 0 | ||
| Prior | 193,000 | 193,000 | 185,000 | ||
| Revolving Loans | 13,306,000 | 13,306,000 | 8,288,000 | ||
| Total | 169,956,000 | 169,956,000 | 217,110,000 | ||
| Real Estate - Construction [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 0 | 0 | 1,555,000 | ||
| 2024 | 0 | 0 | 0 | ||
| 2023 | 583,000 | 583,000 | 1,329,000 | ||
| 2022 | 3,576,000 | 3,576,000 | 0 | ||
| 2021 | 0 | 0 | 0 | ||
| Prior | 0 | 0 | 0 | ||
| Revolving Loans | 0 | 0 | 0 | ||
| Total | 4,159,000 | 4,159,000 | 2,884,000 | ||
| Real Estate - Commercial Mortgage [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 43,321,000 | 43,321,000 | 77,732,000 | ||
| 2024 | 98,953,000 | 98,953,000 | 115,559,000 | ||
| 2023 | 113,188,000 | 113,188,000 | 228,008,000 | ||
| 2022 | 220,223,000 | 220,223,000 | 110,732,000 | ||
| 2021 | 104,743,000 | 104,743,000 | 92,130,000 | ||
| Prior | 187,344,000 | 187,344,000 | 127,979,000 | ||
| Revolving Loans | 34,732,000 | 34,732,000 | 26,955,000 | ||
| Total | 802,504,000 | 802,504,000 | 779,095,000 | ||
| Current Period Gross Writeoffs, 2025 | 0 | ||||
| Current Period Gross Writeoffs, 2024 | 0 | ||||
| Current Period Gross Writeoffs, 2023 | 0 | ||||
| Current Period Gross Writeoffs, 2022 | 0 | ||||
| Current Period Gross Writeoffs, 2021 | 0 | ||||
| Current Period Gross Writeoffs, Prior | 0 | ||||
| Current Period Gross Writeoffs, Revolving | 3,000 | ||||
| Current Period Gross Writeoffs, Total | 0 | 0 | 0 | 0 | 3,000 |
| Real Estate - Commercial Mortgage [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 39,009,000 | 39,009,000 | 77,561,000 | ||
| 2024 | 97,387,000 | 97,387,000 | 110,183,000 | ||
| 2023 | 113,036,000 | 113,036,000 | 207,574,000 | ||
| 2022 | 198,192,000 | 198,192,000 | 109,863,000 | ||
| 2021 | 102,760,000 | 102,760,000 | 87,369,000 | ||
| Prior | 178,711,000 | 178,711,000 | 122,272,000 | ||
| Revolving Loans | 33,667,000 | 33,667,000 | 26,324,000 | ||
| Total | 762,762,000 | 762,762,000 | 741,146,000 | ||
| Real Estate - Commercial Mortgage [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 3,922,000 | 3,922,000 | 171,000 | ||
| 2024 | 164,000 | 164,000 | 2,913,000 | ||
| 2023 | 52,000 | 52,000 | 17,031,000 | ||
| 2022 | 18,373,000 | 18,373,000 | 0 | ||
| 2021 | 1,120,000 | 1,120,000 | 2,253,000 | ||
| Prior | 2,871,000 | 2,871,000 | 4,402,000 | ||
| Revolving Loans | 1,065,000 | 1,065,000 | 530,000 | ||
| Total | 27,567,000 | 27,567,000 | 27,300,000 | ||
| Real Estate - Commercial Mortgage [Member] | Substandard [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 390,000 | 390,000 | 0 | ||
| 2024 | 1,402,000 | 1,402,000 | 2,463,000 | ||
| 2023 | 100,000 | 100,000 | 3,403,000 | ||
| 2022 | 3,658,000 | 3,658,000 | 869,000 | ||
| 2021 | 863,000 | 863,000 | 2,508,000 | ||
| Prior | 5,762,000 | 5,762,000 | 1,305,000 | ||
| Revolving Loans | 0 | 0 | 101,000 | ||
| Total | 12,175,000 | 12,175,000 | 10,649,000 | ||
| Real Estate - Residential [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 85,110,000 | 85,110,000 | 165,050,000 | ||
| 2024 | 143,588,000 | 143,588,000 | 317,314,000 | ||
| 2023 | 300,250,000 | 300,250,000 | 360,301,000 | ||
| 2022 | 341,878,000 | 341,878,000 | 73,973,000 | ||
| 2021 | 65,971,000 | 65,971,000 | 32,932,000 | ||
| Prior | 100,086,000 | 100,086,000 | 80,373,000 | ||
| Revolving Loans | 11,037,000 | 11,037,000 | 12,561,000 | ||
| Total | 1,047,920,000 | 1,047,920,000 | 1,042,504,000 | ||
| Current Period Gross Writeoffs, 2025 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2024 | 0 | 13,000 | |||
| Current Period Gross Writeoffs, 2023 | 47,000 | 0 | |||
| Current Period Gross Writeoffs, 2022 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2021 | 0 | 0 | |||
| Current Period Gross Writeoffs, Prior | 10,000 | 48,000 | |||
| Current Period Gross Writeoffs, Revolving | 0 | 0 | |||
| Current Period Gross Writeoffs, Total | 49,000 | 0 | 57,000 | 17,000 | 61,000 |
| Real Estate - Residential [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 85,110,000 | 85,110,000 | 165,050,000 | ||
| 2024 | 141,045,000 | 141,045,000 | 316,521,000 | ||
| 2023 | 299,506,000 | 299,506,000 | 358,851,000 | ||
| 2022 | 340,188,000 | 340,188,000 | 71,423,000 | ||
| 2021 | 63,490,000 | 63,490,000 | 31,169,000 | ||
| Prior | 95,076,000 | 95,076,000 | 76,921,000 | ||
| Revolving Loans | 10,416,000 | 10,416,000 | 11,872,000 | ||
| Total | 1,034,831,000 | 1,034,831,000 | 1,031,807,000 | ||
| Real Estate - Residential [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 0 | 0 | 0 | ||
| 2024 | 0 | 0 | 265,000 | ||
| 2023 | 290,000 | 290,000 | 0 | ||
| 2022 | 0 | 0 | 1,104,000 | ||
| 2021 | 1,060,000 | 1,060,000 | 468,000 | ||
| Prior | 315,000 | 315,000 | 534,000 | ||
| Revolving Loans | 453,000 | 453,000 | 521,000 | ||
| Total | 2,118,000 | 2,118,000 | 2,892,000 | ||
| Real Estate - Residential [Member] | Substandard [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 0 | 0 | 0 | ||
| 2024 | 2,543,000 | 2,543,000 | 528,000 | ||
| 2023 | 454,000 | 454,000 | 1,450,000 | ||
| 2022 | 1,690,000 | 1,690,000 | 1,446,000 | ||
| 2021 | 1,421,000 | 1,421,000 | 1,295,000 | ||
| Prior | 4,695,000 | 4,695,000 | 2,918,000 | ||
| Revolving Loans | 168,000 | 168,000 | 168,000 | ||
| Total | 10,971,000 | 10,971,000 | 7,805,000 | ||
| Real Estate - Home Equity [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 1,292,000 | 1,292,000 | 801,000 | ||
| 2024 | 11,000 | 11,000 | 521,000 | ||
| 2023 | 412,000 | 412,000 | 30,000 | ||
| 2022 | 19,000 | 19,000 | 119,000 | ||
| 2021 | 114,000 | 114,000 | 9,000 | ||
| Prior | 607,000 | 607,000 | 821,000 | ||
| Revolving Loans | 225,746,000 | 225,746,000 | 217,763,000 | ||
| Total | 228,201,000 | 228,201,000 | 220,064,000 | ||
| Current Period Gross Writeoffs, 2025 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2024 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2023 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2022 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2021 | 0 | 0 | |||
| Current Period Gross Writeoffs, Prior | 0 | 0 | |||
| Current Period Gross Writeoffs, Revolving | 24,000 | 132,000 | |||
| Current Period Gross Writeoffs, Total | 24,000 | 0 | 24,000 | 76,000 | 132,000 |
| Real Estate - Home Equity [Member] | Performing Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 1,292,000 | 1,292,000 | 801,000 | ||
| 2024 | 11,000 | 11,000 | 521,000 | ||
| 2023 | 412,000 | 412,000 | 30,000 | ||
| 2022 | 19,000 | 19,000 | 119,000 | ||
| 2021 | 114,000 | 114,000 | 9,000 | ||
| Prior | 607,000 | 607,000 | 821,000 | ||
| Revolving Loans | 223,155,000 | 223,155,000 | 215,981,000 | ||
| Total | 225,610,000 | 225,610,000 | 218,282,000 | ||
| Real Estate - Home Equity [Member] | Nonperforming Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 0 | 0 | 0 | ||
| 2024 | 0 | 0 | 0 | ||
| 2023 | 0 | 0 | 0 | ||
| 2022 | 0 | 0 | 0 | ||
| 2021 | 0 | 0 | 0 | ||
| Prior | 0 | 0 | 0 | ||
| Revolving Loans | 2,591,000 | 2,591,000 | 1,782,000 | ||
| Total | 2,591,000 | 2,591,000 | 1,782,000 | ||
| Consumer [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 42,984,000 | 42,984,000 | 32,303,000 | ||
| 2024 | 28,000,000 | 28,000,000 | 45,169,000 | ||
| 2023 | 35,963,000 | 35,963,000 | 56,263,000 | ||
| 2022 | 42,352,000 | 42,352,000 | 42,158,000 | ||
| 2021 | 31,047,000 | 31,047,000 | 10,957,000 | ||
| Prior | 9,200,000 | 9,200,000 | 4,187,000 | ||
| Revolving Loans | 9,196,000 | 9,196,000 | 9,648,000 | ||
| Total | 198,742,000 | 198,742,000 | 200,685,000 | ||
| Current Period Gross Writeoffs, 2025 | 1,029,000 | 2,562,000 | |||
| Current Period Gross Writeoffs, 2024 | 91,000 | 1,605,000 | |||
| Current Period Gross Writeoffs, 2023 | 636,000 | 2,088,000 | |||
| Current Period Gross Writeoffs, 2022 | 707,000 | 897,000 | |||
| Current Period Gross Writeoffs, 2021 | 204,000 | 237,000 | |||
| Current Period Gross Writeoffs, Prior | 45,000 | 76,000 | |||
| Current Period Gross Writeoffs, Revolving | 74,000 | 162,000 | |||
| Current Period Gross Writeoffs, Total | 1,351,000 | $ 1,632,000 | 2,786,000 | $ 3,820,000 | 7,627,000 |
| Consumer [Member] | Performing Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 42,832,000 | 42,832,000 | 32,293,000 | ||
| 2024 | 28,000,000 | 28,000,000 | 44,995,000 | ||
| 2023 | 35,926,000 | 35,926,000 | 55,942,000 | ||
| 2022 | 42,138,000 | 42,138,000 | 42,002,000 | ||
| 2021 | 30,933,000 | 30,933,000 | 10,899,000 | ||
| Prior | 9,127,000 | 9,127,000 | 4,116,000 | ||
| Revolving Loans | 9,196,000 | 9,196,000 | 9,648,000 | ||
| Total | 198,152,000 | 198,152,000 | 199,895,000 | ||
| Consumer [Member] | Nonperforming Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2025 | 152,000 | 152,000 | 10,000 | ||
| 2024 | 0 | 0 | 174,000 | ||
| 2023 | 37,000 | 37,000 | 321,000 | ||
| 2022 | 214,000 | 214,000 | 156,000 | ||
| 2021 | 114,000 | 114,000 | 58,000 | ||
| Prior | 73,000 | 73,000 | 71,000 | ||
| Revolving Loans | 0 | 0 | 0 | ||
| Total | $ 590,000 | $ 590,000 | $ 790,000 | ||