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, 2024 |
Jun. 30, 2023 |
Jun. 30, 2024 |
Jun. 30, 2023 |
Dec. 31, 2023 |
|
| Financing Receivable, Recorded Investment [Line Items] | |||||
| Total | $ 2,690,223,000 | $ 2,690,223,000 | $ 2,733,918,000 | ||
| Current Period Gross Writeoffs, Total | 2,032,000 | $ 1,980,000 | 4,595,000 | $ 4,630,000 | |
| Commercial, Financial and Agricultural [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 18,788,000 | 18,788,000 | 57,652,000 | ||
| 2023 | 50,230,000 | 50,230,000 | 67,456,000 | ||
| 2022 | 46,900,000 | 46,900,000 | 29,387,000 | ||
| 2021 | 24,011,000 | 24,011,000 | 10,697,000 | ||
| 2020 | 7,651,000 | 7,651,000 | 7,787,000 | ||
| Prior | 11,571,000 | 11,571,000 | 7,624,000 | ||
| Revolving Loans | 45,839,000 | 45,839,000 | 44,587,000 | ||
| Total | 204,990,000 | 204,990,000 | 225,190,000 | ||
| Current Period Gross Writeoffs, 2024 | 0 | 6,000 | |||
| Current Period Gross Writeoffs, 2023 | 160,000 | 252,000 | |||
| Current Period Gross Writeoffs, 2022 | 343,000 | 65,000 | |||
| Current Period Gross Writeoffs, 2021 | 81,000 | 31,000 | |||
| Current Period Gross Writeoffs, 2020 | 28,000 | 41,000 | |||
| Current Period Gross Writeoffs, Prior | 0 | 19,000 | |||
| Current Period Gross Writeoffs, Revolving | 70,000 | 97,000 | |||
| Current Period Gross Writeoffs, Total | 400,000 | 54,000 | 682,000 | 218,000 | 511,000 |
| Commercial, Financial and Agricultural [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 18,575,000 | 18,575,000 | 57,320,000 | ||
| 2023 | 49,781,000 | 49,781,000 | 66,671,000 | ||
| 2022 | 46,330,000 | 46,330,000 | 28,933,000 | ||
| 2021 | 23,774,000 | 23,774,000 | 10,610,000 | ||
| 2020 | 7,579,000 | 7,579,000 | 7,758,000 | ||
| Prior | 11,464,000 | 11,464,000 | 7,502,000 | ||
| Revolving Loans | 44,117,000 | 44,117,000 | 44,350,000 | ||
| Total | 201,620,000 | 201,620,000 | 223,144,000 | ||
| Commercial, Financial and Agricultural [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 213,000 | 213,000 | 168,000 | ||
| 2023 | 339,000 | 339,000 | 608,000 | ||
| 2022 | 468,000 | 468,000 | 356,000 | ||
| 2021 | 158,000 | 158,000 | 10,000 | ||
| 2020 | 6,000 | 6,000 | 9,000 | ||
| Prior | 1,000 | 1,000 | 0 | ||
| Revolving Loans | 1,615,000 | 1,615,000 | 76,000 | ||
| Total | 2,800,000 | 2,800,000 | 1,227,000 | ||
| Commercial, Financial and Agricultural [Member] | Substandard [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 0 | 0 | 164,000 | ||
| 2023 | 110,000 | 110,000 | 177,000 | ||
| 2022 | 102,000 | 102,000 | 98,000 | ||
| 2021 | 79,000 | 79,000 | 77,000 | ||
| 2020 | 66,000 | 66,000 | 20,000 | ||
| Prior | 106,000 | 106,000 | 122,000 | ||
| Revolving Loans | 107,000 | 107,000 | 161,000 | ||
| Total | 570,000 | 570,000 | 819,000 | ||
| Real Estate - Construction [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 35,942,000 | 35,942,000 | 102,315,000 | ||
| 2023 | 112,757,000 | 112,757,000 | 68,812,000 | ||
| 2022 | 44,976,000 | 44,976,000 | 19,296,000 | ||
| 2021 | 6,247,000 | 6,247,000 | 863,000 | ||
| 2020 | 0 | 0 | 188,000 | ||
| Prior | 186,000 | 186,000 | 0 | ||
| Revolving Loans | 646,000 | 646,000 | 4,617,000 | ||
| Total | 200,754,000 | 200,754,000 | 196,091,000 | ||
| Current Period Gross Writeoffs, Total | 0 | 0 | 0 | 0 | |
| Real Estate - Construction [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 32,673,000 | 32,673,000 | 101,684,000 | ||
| 2023 | 110,069,000 | 110,069,000 | 68,265,000 | ||
| 2022 | 44,567,000 | 44,567,000 | 18,181,000 | ||
| 2021 | 5,782,000 | 5,782,000 | 0 | ||
| 2020 | 0 | 0 | 188,000 | ||
| Prior | 186,000 | 186,000 | 0 | ||
| Revolving Loans | 645,000 | 645,000 | 4,617,000 | ||
| Total | 193,922,000 | 193,922,000 | 192,935,000 | ||
| Real Estate - Construction [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 3,201,000 | 3,201,000 | 631,000 | ||
| 2023 | 709,000 | 709,000 | 500,000 | ||
| 2022 | 335,000 | 335,000 | 539,000 | ||
| 2021 | 0 | 0 | 212,000 | ||
| 2020 | 0 | 0 | 0 | ||
| Prior | 0 | 0 | 0 | ||
| Revolving Loans | 0 | 0 | 0 | ||
| Total | 4,245,000 | 4,245,000 | 1,882,000 | ||
| Real Estate - Construction [Member] | Substandard [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 68,000 | 68,000 | 0 | ||
| 2023 | 1,979,000 | 1,979,000 | 47,000 | ||
| 2022 | 74,000 | 74,000 | 576,000 | ||
| 2021 | 465,000 | 465,000 | 651,000 | ||
| 2020 | 0 | 0 | 0 | ||
| Prior | 0 | 0 | 0 | ||
| Revolving Loans | 1,000 | 1,000 | 0 | ||
| Total | 2,587,000 | 2,587,000 | 1,274,000 | ||
| Real Estate - Commercial Mortgage [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 50,888,000 | 50,888,000 | 121,106,000 | ||
| 2023 | 123,682,000 | 123,682,000 | 281,989,000 | ||
| 2022 | 261,083,000 | 261,083,000 | 142,358,000 | ||
| 2021 | 130,409,000 | 130,409,000 | 103,076,000 | ||
| 2020 | 97,380,000 | 97,380,000 | 45,841,000 | ||
| Prior | 140,592,000 | 140,592,000 | 112,025,000 | ||
| Revolving Loans | 19,088,000 | 19,088,000 | 19,061,000 | ||
| Total | 823,122,000 | 823,122,000 | 825,456,000 | ||
| 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, 2020 | 0 | ||||
| Current Period Gross Writeoffs, Prior | 120,000 | ||||
| Current Period Gross Writeoffs, Revolving | 0 | ||||
| Current Period Gross Writeoffs, Total | 0 | 0 | 0 | 120,000 | 120,000 |
| Real Estate - Commercial Mortgage [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 45,499,000 | 45,499,000 | 117,840,000 | ||
| 2023 | 118,169,000 | 118,169,000 | 275,079,000 | ||
| 2022 | 252,091,000 | 252,091,000 | 135,663,000 | ||
| 2021 | 129,114,000 | 129,114,000 | 101,210,000 | ||
| 2020 | 94,607,000 | 94,607,000 | 43,878,000 | ||
| Prior | 133,921,000 | 133,921,000 | 109,878,000 | ||
| Revolving Loans | 19,088,000 | 19,088,000 | 18,367,000 | ||
| Total | 792,489,000 | 792,489,000 | 801,915,000 | ||
| Real Estate - Commercial Mortgage [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 179,000 | 179,000 | 3,266,000 | ||
| 2023 | 5,513,000 | 5,513,000 | 5,684,000 | ||
| 2022 | 5,456,000 | 5,456,000 | 0 | ||
| 2021 | 0 | 0 | 229,000 | ||
| 2020 | 784,000 | 784,000 | 1,358,000 | ||
| Prior | 5,122,000 | 5,122,000 | 573,000 | ||
| Revolving Loans | 0 | 0 | 0 | ||
| Total | 17,054,000 | 17,054,000 | 11,110,000 | ||
| Real Estate - Commercial Mortgage [Member] | Substandard [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 5,210,000 | 5,210,000 | 0 | ||
| 2023 | 0 | 0 | 1,226,000 | ||
| 2022 | 3,536,000 | 3,536,000 | 6,695,000 | ||
| 2021 | 1,295,000 | 1,295,000 | 1,637,000 | ||
| 2020 | 1,989,000 | 1,989,000 | 605,000 | ||
| Prior | 1,549,000 | 1,549,000 | 1,574,000 | ||
| Revolving Loans | 0 | 0 | 694,000 | ||
| Total | 13,579,000 | 13,579,000 | 12,431,000 | ||
| Real Estate - Residential [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 78,716,000 | 78,716,000 | 373,232,000 | ||
| 2023 | 345,371,000 | 345,371,000 | 401,636,000 | ||
| 2022 | 379,981,000 | 379,981,000 | 85,097,000 | ||
| 2021 | 78,475,000 | 78,475,000 | 38,007,000 | ||
| 2020 | 34,756,000 | 34,756,000 | 25,855,000 | ||
| Prior | 88,454,000 | 88,454,000 | 72,140,000 | ||
| Revolving Loans | 9,074,000 | 9,074,000 | 8,252,000 | ||
| Total | 1,014,827,000 | 1,014,827,000 | 1,004,219,000 | ||
| Current Period Gross Writeoffs, 2024 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2023 | 13,000 | 0 | |||
| Current Period Gross Writeoffs, 2022 | 0 | 79,000 | |||
| Current Period Gross Writeoffs, 2021 | 0 | 0 | |||
| Current Period Gross Writeoffs, 2020 | 0 | 0 | |||
| Current Period Gross Writeoffs, Prior | 4,000 | 0 | |||
| Current Period Gross Writeoffs, Revolving | 0 | 0 | |||
| Current Period Gross Writeoffs, Total | 0 | 0 | 17,000 | 0 | 79,000 |
| Real Estate - Residential [Member] | Pass [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 78,716,000 | 78,716,000 | 372,394,000 | ||
| 2023 | 345,104,000 | 345,104,000 | 400,437,000 | ||
| 2022 | 378,478,000 | 378,478,000 | 83,108,000 | ||
| 2021 | 74,703,000 | 74,703,000 | 35,879,000 | ||
| 2020 | 33,062,000 | 33,062,000 | 24,848,000 | ||
| Prior | 84,752,000 | 84,752,000 | 68,685,000 | ||
| Revolving Loans | 9,074,000 | 9,074,000 | 8,252,000 | ||
| Total | 1,003,889,000 | 1,003,889,000 | 993,603,000 | ||
| Real Estate - Residential [Member] | Special Mention [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 0 | 0 | 268,000 | ||
| 2023 | 267,000 | 267,000 | 89,000 | ||
| 2022 | 87,000 | 87,000 | 83,000 | ||
| 2021 | 1,136,000 | 1,136,000 | 502,000 | ||
| 2020 | 483,000 | 483,000 | 0 | ||
| Prior | 455,000 | 455,000 | 313,000 | ||
| Revolving Loans | 0 | 0 | 0 | ||
| Total | 2,428,000 | 2,428,000 | 1,255,000 | ||
| Real Estate - Residential [Member] | Substandard [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 0 | 0 | 570,000 | ||
| 2023 | 0 | 0 | 1,110,000 | ||
| 2022 | 1,416,000 | 1,416,000 | 1,906,000 | ||
| 2021 | 2,636,000 | 2,636,000 | 1,626,000 | ||
| 2020 | 1,211,000 | 1,211,000 | 1,007,000 | ||
| Prior | 3,247,000 | 3,247,000 | 3,142,000 | ||
| Revolving Loans | 0 | 0 | 0 | ||
| Total | 8,510,000 | 8,510,000 | 9,361,000 | ||
| Real Estate - Home Equity [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 171,000 | 171,000 | 890,000 | ||
| 2023 | 535,000 | 535,000 | 48,000 | ||
| 2022 | 47,000 | 47,000 | 127,000 | ||
| 2021 | 114,000 | 114,000 | 11,000 | ||
| 2020 | 10,000 | 10,000 | 386,000 | ||
| Prior | 969,000 | 969,000 | 950,000 | ||
| Revolving Loans | 209,280,000 | 209,280,000 | 208,508,000 | ||
| Total | 211,126,000 | 211,126,000 | 210,920,000 | ||
| 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, 2020 | 0 | 0 | |||
| Current Period Gross Writeoffs, Prior | 0 | 0 | |||
| Current Period Gross Writeoffs, Revolving | 76,000 | 39,000 | |||
| Current Period Gross Writeoffs, Total | 0 | 39,000 | 76,000 | 39,000 | 39,000 |
| Real Estate - Home Equity [Member] | Performing Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 171,000 | 171,000 | 890,000 | ||
| 2023 | 535,000 | 535,000 | 48,000 | ||
| 2022 | 47,000 | 47,000 | 127,000 | ||
| 2021 | 114,000 | 114,000 | 11,000 | ||
| 2020 | 10,000 | 10,000 | 386,000 | ||
| Prior | 969,000 | 969,000 | 950,000 | ||
| Revolving Loans | 208,167,000 | 208,167,000 | 207,509,000 | ||
| Total | 210,013,000 | 210,013,000 | 209,921,000 | ||
| Real Estate - Home Equity [Member] | Nonperforming Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 0 | 0 | 0 | ||
| 2023 | 0 | 0 | 0 | ||
| 2022 | 0 | 0 | 0 | ||
| 2021 | 0 | 0 | 0 | ||
| 2020 | 0 | 0 | 0 | ||
| Prior | 0 | 0 | 0 | ||
| Revolving Loans | 1,113,000 | 1,113,000 | 999,000 | ||
| Total | 1,113,000 | 1,113,000 | 999,000 | ||
| Consumer [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 18,418,000 | 18,418,000 | 68,789,000 | ||
| 2023 | 56,734,000 | 56,734,000 | 90,386,000 | ||
| 2022 | 72,163,000 | 72,163,000 | 70,940,000 | ||
| 2021 | 55,671,000 | 55,671,000 | 21,318,000 | ||
| 2020 | 15,708,000 | 15,708,000 | 10,210,000 | ||
| Prior | 8,063,000 | 8,063,000 | 4,258,000 | ||
| Revolving Loans | 8,647,000 | 8,647,000 | 6,141,000 | ||
| Total | 235,404,000 | 235,404,000 | 272,042,000 | ||
| Current Period Gross Writeoffs, 2024 | 1,237,000 | 3,137,000 | |||
| Current Period Gross Writeoffs, 2023 | 752,000 | 3,224,000 | |||
| Current Period Gross Writeoffs, 2022 | 1,166,000 | 1,362,000 | |||
| Current Period Gross Writeoffs, 2021 | 351,000 | 329,000 | |||
| Current Period Gross Writeoffs, 2020 | 134,000 | 230,000 | |||
| Current Period Gross Writeoffs, Prior | 66,000 | 99,000 | |||
| Current Period Gross Writeoffs, Revolving | 114,000 | 162,000 | |||
| Current Period Gross Writeoffs, Total | 1,632,000 | $ 1,887,000 | 3,820,000 | $ 4,253,000 | 8,543,000 |
| Consumer [Member] | Performing Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 18,338,000 | 18,338,000 | 68,496,000 | ||
| 2023 | 56,734,000 | 56,734,000 | 90,031,000 | ||
| 2022 | 71,927,000 | 71,927,000 | 70,882,000 | ||
| 2021 | 55,518,000 | 55,518,000 | 21,314,000 | ||
| 2020 | 15,708,000 | 15,708,000 | 10,210,000 | ||
| Prior | 8,059,000 | 8,059,000 | 4,258,000 | ||
| Revolving Loans | 8,174,000 | 8,174,000 | 5,431,000 | ||
| Total | 234,458,000 | 234,458,000 | 270,622,000 | ||
| Consumer [Member] | Nonperforming Financial Instruments [Member] | |||||
| Financing Receivable, Recorded Investment [Line Items] | |||||
| 2024 | 80,000 | 80,000 | 293,000 | ||
| 2023 | 0 | 0 | 355,000 | ||
| 2022 | 236,000 | 236,000 | 58,000 | ||
| 2021 | 153,000 | 153,000 | 4,000 | ||
| 2020 | 0 | 0 | 0 | ||
| Prior | 4,000 | 4,000 | 0 | ||
| Revolving Loans | 473,000 | 473,000 | 710,000 | ||
| Total | $ 946,000 | $ 946,000 | $ 1,420,000 | ||