Note 3 - Loans and Allowance for Credit Losses (Tables)
|
12 Months Ended |
Dec. 31, 2025 |
| Notes Tables |
|
| Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] |
| | | December 31, | |
| | | 2025 | | | 2024 | |
| Construction and development | | $ | 147,980 | | | $ | 154,553 | |
| 1-4 Family | | | 376,238 | | | | 396,815 | |
| Multifamily | | | 130,005 | | | | 84,576 | |
| Farmland | | | 4,788 | | | | 6,977 | |
| Commercial real estate | | | 912,268 | | | | 944,548 | |
| Total mortgage loans on real estate | | | 1,571,279 | | | | 1,587,469 | |
| Commercial and industrial | | | 595,263 | | | | 526,928 | |
| Consumer | | | 9,431 | | | | 10,687 | |
| Total loans | | $ | 2,175,973 | | | $ | 2,125,084 | |
|
| Financing Receivable, Past Due [Table Text Block] |
| | | December 31, 2025 | |
| | | Current | | | 30 - 59 Days Past Due | | | 60 - 89 Days Past Due | | | 90 Days or More Past Due | | | Total | | | > 90 Days and Accruing | |
| Construction and development | | $ | 147,862 | | | $ | 56 | | | $ | 19 | | | $ | 43 | | | $ | 147,980 | | | $ | — | |
| 1-4 Family | | | 365,725 | | | | 4,442 | | | | 1,950 | | | | 4,121 | | | | 376,238 | | | | — | |
| Multifamily | | | 130,005 | | | | — | | | | — | | | | — | | | | 130,005 | | | | — | |
| Farmland | | | 4,788 | | | | — | | | | — | | | | — | | | | 4,788 | | | | — | |
| Commercial real estate | | | 908,687 | | | | — | | | | 2,032 | | | | 1,549 | | | | 912,268 | | | | — | |
| Total mortgage loans on real estate | | | 1,557,067 | | | | 4,498 | | | | 4,001 | | | | 5,713 | | | | 1,571,279 | | | | — | |
| Commercial and industrial | | | 594,886 | | | | 291 | | | | 81 | | | | 5 | | | | 595,263 | | | | 2 | |
| Consumer | | | 9,388 | | | | 9 | | | | 4 | | | | 30 | | | | 9,431 | | | | — | |
| Total loans | | $ | 2,161,341 | | | $ | 4,798 | | | $ | 4,086 | | | $ | 5,748 | | | $ | 2,175,973 | | | $ | 2 | |
| | | December 31, 2024 | |
| | | Current | | | 30 - 59 Days Past Due | | | 60 - 89 Days Past Due | | | 90 Days or More Past Due | | | Total | | | > 90 Days and Accruing | |
| Construction and development | | $ | 154,461 | | | $ | 86 | | | $ | — | | | $ | 6 | | | $ | 154,553 | | | $ | — | |
| 1-4 Family | | | 387,782 | | | | 5,200 | | | | 1,054 | | | | 2,779 | | | | 396,815 | | | | — | |
| Multifamily | | | 84,576 | | | | — | | | | — | | | | — | | | | 84,576 | | | | — | |
| Farmland | | | 6,977 | | | | — | | | | — | | | | — | | | | 6,977 | | | | — | |
| Commercial real estate | | | 942,493 | | | | 458 | | | | 48 | | | | 1,549 | | | | 944,548 | | | | — | |
| Total mortgage loans on real estate | | | 1,576,289 | | | | 5,744 | | | | 1,102 | | | | 4,334 | | | | 1,587,469 | | | | — | |
| Commercial and industrial | | | 526,329 | | | | 64 | | | | 270 | | | | 265 | | | | 526,928 | | | | — | |
| Consumer | | | 10,377 | | | | 87 | | | | 65 | | | | 158 | | | | 10,687 | | | | 2 | |
| Total loans | | $ | 2,112,995 | | | $ | 5,895 | | | $ | 1,437 | | | $ | 4,757 | | | $ | 2,125,084 | | | $ | 2 | |
|
| Financing Receivable, Nonaccrual [Table Text Block] |
| | | December 31, 2025 | |
| | | Nonaccrual with No Allowance for Credit Loss | | | Nonaccrual with an Allowance for Credit Loss | | | Total Nonaccrual Loans | |
| Construction and development | | $ | 59 | | | $ | — | | | $ | 59 | |
| 1-4 Family | | | 4,122 | | | | 991 | | | | 5,113 | |
| Multifamily | | | — | | | | — | | | | — | |
| Farmland | | | — | | | | — | | | | — | |
| Commercial real estate | | | 940 | | | | 2,991 | | | | 3,931 | |
| Total mortgage loans on real estate | | | 5,121 | | | | 3,982 | | | | 9,103 | |
| Commercial and industrial | | | 84 | | | | — | | | | 84 | |
| Consumer | | | 69 | | | | 3 | | | | 72 | |
| Total loans | | $ | 5,274 | | | $ | 3,985 | | | $ | 9,259 | |
| | | December 31, 2024 | |
| | | Nonaccrual with No Allowance for Credit Loss | | | Nonaccrual with an Allowance for Credit Loss | | | Total Nonaccrual Loans | |
| Construction and development | | $ | 24 | | | $ | — | | | $ | 24 | |
| 1-4 Family | | | 1,475 | | | | 2,336 | | | | 3,811 | |
| Multifamily | | | — | | | | — | | | | — | |
| Farmland | | | — | | | | — | | | | — | |
| Commercial real estate | | | 4,168 | | | | 123 | | | | 4,291 | |
| Total mortgage loans on real estate | | | 5,667 | | | | 2,459 | | | | 8,126 | |
| Commercial and industrial | | | 252 | | | | 230 | | | | 482 | |
| Consumer | | | 211 | | | | 5 | | | | 216 | |
| Total loans | | $ | 6,130 | | | $ | 2,694 | | | $ | 8,824 | |
|
| Financing Receivable Credit Quality Indicators [Table Text Block] |
| | | December 31, 2025 | |
| | | 2025 | | | 2024 | | | 2023 | | | 2022 | | | 2021 | | | Prior | | | Revolving Loans | | | Total | |
| Construction and development | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 55,625 | | | $ | 34,770 | | | $ | 16,812 | | | $ | 7,549 | | | $ | 2,729 | | | $ | 2,513 | | | $ | 17,105 | | | $ | 137,103 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | 627 | | | | — | | | | 4,659 | | | | 4,822 | | | | 710 | | | | 59 | | | | — | | | | 10,877 | |
| Total construction and development | | $ | 56,252 | | | $ | 34,770 | | | $ | 21,471 | | | $ | 12,371 | | | $ | 3,439 | | | $ | 2,572 | | | $ | 17,105 | | | $ | 147,980 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| 1-4 Family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 11,627 | | | $ | 9,164 | | | $ | 32,814 | | | $ | 86,613 | | | $ | 67,255 | | | $ | 104,643 | | | $ | 57,576 | | | $ | 369,692 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | 58 | | | | 415 | | | | 2,405 | | | | 744 | | | | 2,703 | | | | 221 | | | | 6,546 | |
| Total 1-4 family | | $ | 11,627 | | | $ | 9,222 | | | $ | 33,229 | | | $ | 89,018 | | | $ | 67,999 | | | $ | 107,346 | | | $ | 57,797 | | | $ | 376,238 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | (47 | ) | | $ | (10 | ) | | $ | (23 | ) | | $ | — | | | $ | (80 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Multifamily | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 39,307 | | | $ | 1,568 | | | $ | 22,836 | | | $ | 45,255 | | | $ | 11,400 | | | $ | 5,616 | | | $ | — | | | $ | 125,982 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | 3,853 | | | | — | | | | 3,853 | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | 170 | | | | — | | | | 170 | |
| Total multifamily | | $ | 39,307 | | | $ | 1,568 | | | $ | 22,836 | | | $ | 45,255 | | | $ | 11,400 | | | $ | 9,639 | | | $ | — | | | $ | 130,005 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Farmland | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 1,147 | | | $ | 68 | | | $ | 457 | | | $ | 109 | | | $ | 358 | | | $ | 2,163 | | | $ | 486 | | | $ | 4,788 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total farmland | | $ | 1,147 | | | $ | 68 | | | $ | 457 | | | $ | 109 | | | $ | 358 | | | $ | 2,163 | | | $ | 486 | | | $ | 4,788 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Commercial real estate | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 129,724 | | | $ | 44,915 | | | $ | 66,947 | | | $ | 266,080 | | | $ | 162,367 | | | $ | 208,716 | | | $ | 7,797 | | | $ | 886,546 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | 1,548 | | | | 3,840 | | | | — | | | | 5,388 | |
| Substandard | | | 6,032 | | | | 2,534 | | | | 121 | | | | 120 | | | | 4,359 | | | | 7,168 | | | | — | | | | 20,334 | |
| Total commercial real estate | | $ | 135,756 | | | $ | 47,449 | | | $ | 67,068 | | | $ | 266,200 | | | $ | 168,274 | | | $ | 219,724 | | | $ | 7,797 | | | $ | 912,268 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Commercial and industrial | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 104,768 | | | $ | 14,470 | | | $ | 22,265 | | | $ | 107,550 | | | $ | 17,430 | | | $ | 14,734 | | | $ | 313,496 | | | $ | 594,713 | |
| Special Mention | | | 193 | | | | — | | | | — | | | | — | | | | — | | | | — | | | | 273 | | | | 466 | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | 84 | | | | — | | | | 84 | |
| Total commercial and industrial | | $ | 104,961 | | | $ | 14,470 | | | $ | 22,265 | | | $ | 107,550 | | | $ | 17,430 | | | $ | 14,818 | | | $ | 313,769 | | | $ | 595,263 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | (28 | ) | | $ | (78 | ) | | $ | (7 | ) | | $ | (24 | ) | | $ | — | | | $ | (132 | ) | | $ | (269 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Consumer | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 4,331 | | | $ | 1,625 | | | $ | 1,246 | | | $ | 700 | | | $ | 205 | | | $ | 655 | | | $ | 571 | | | $ | 9,333 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | 2 | | | | 1 | | | | 15 | | | | 5 | | | | — | | | | 75 | | | | — | | | | 98 | |
| Total consumer | | $ | 4,333 | | | $ | 1,626 | | | $ | 1,261 | | | $ | 705 | | | $ | 205 | | | $ | 730 | | | $ | 571 | | | $ | 9,431 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | (71 | ) | | $ | (6 | ) | | $ | (12 | ) | | $ | (11 | ) | | $ | (7 | ) | | $ | (1 | ) | | $ | (2 | ) | | $ | (110 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Total loans | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 346,529 | | | $ | 106,580 | | | $ | 163,377 | | | $ | 513,856 | | | $ | 261,744 | | | $ | 339,040 | | | $ | 397,031 | | | $ | 2,128,157 | |
| Special Mention | | | 193 | | | | — | | | | — | | | | — | | | | 1,548 | | | | 7,693 | | | | 273 | | | | 9,707 | |
| Substandard | | | 6,661 | | | | 2,593 | | | | 5,210 | | | | 7,352 | | | | 5,813 | | | | 10,259 | | | | 221 | | | | 38,109 | |
| Total loans | | $ | 353,383 | | | $ | 109,173 | | | $ | 168,587 | | | $ | 521,208 | | | $ | 269,105 | | | $ | 356,992 | | | $ | 397,525 | | | $ | 2,175,973 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | (71 | ) | | $ | (34 | ) | | $ | (90 | ) | | $ | (65 | ) | | $ | (41 | ) | | $ | (24 | ) | | $ | (134 | ) | | $ | (459 | ) |
| | | December 31, 2024 | |
| | | 2024 | | | 2023 | | | 2022 | | | 2021 | | | 2020 | | | Prior | | | Revolving Loans | | | Total | |
| Construction and development | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 53,448 | | | $ | 36,560 | | | $ | 26,585 | | | $ | 3,583 | | | $ | 2,176 | | | $ | 1,754 | | | $ | 19,946 | | | $ | 144,052 | |
| Special Mention | | | — | | | | 374 | | | | — | | | | 737 | | | | — | | | | — | | | | — | | | | 1,111 | |
| Substandard | | | — | | | | 4,524 | | | | 4,842 | | | | — | | | | 18 | | | | 6 | | | | — | | | | 9,390 | |
| Total construction and development | | $ | 53,448 | | | $ | 41,458 | | | $ | 31,427 | | | $ | 4,320 | | | $ | 2,194 | | | $ | 1,760 | | | $ | 19,946 | | | $ | 154,553 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | (77 | ) | | $ | (72 | ) | | $ | — | | | $ | — | | | $ | — | | | $ | (149 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| 1-4 Family | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 12,039 | | | $ | 38,426 | | | $ | 92,502 | | | $ | 72,848 | | | $ | 53,300 | | | $ | 70,854 | | | $ | 51,424 | | | $ | 391,393 | |
| Special Mention | | | 61 | | | | — | | | | — | | | | — | | | | — | | | | 2 | | | | — | | | | 63 | |
| Substandard | | | 170 | | | | 352 | | | | 902 | | | | 931 | | | | 752 | | | | 2,079 | | | | 173 | | | | 5,359 | |
| Total 1-4 family | | $ | 12,270 | | | $ | 38,778 | | | $ | 93,404 | | | $ | 73,779 | | | $ | 54,052 | | | $ | 72,935 | | | $ | 51,597 | | | $ | 396,815 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | (86 | ) | | $ | — | | | $ | (42 | ) | | $ | — | | | $ | — | | | $ | (120 | ) | | $ | — | | | $ | (248 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Multifamily | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 1,639 | | | $ | 7,538 | | | $ | 47,070 | | | $ | 11,994 | | | $ | 3,400 | | | $ | 6,796 | | | $ | 199 | | | $ | 78,636 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | 3,940 | | | | — | | | | 3,940 | |
| Substandard | | | — | | | | — | | | | 649 | | | | — | | | | 1,351 | | | | — | | | | — | | | | 2,000 | |
| Total multifamily | | $ | 1,639 | | | $ | 7,538 | | | $ | 47,719 | | | $ | 11,994 | | | $ | 4,751 | | | $ | 10,736 | | | $ | 199 | | | $ | 84,576 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Farmland | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 72 | | | $ | 1,605 | | | $ | 1,290 | | | $ | 633 | | | $ | 892 | | | $ | 1,508 | | | $ | 977 | | | $ | 6,977 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Total farmland | | $ | 72 | | | $ | 1,605 | | | $ | 1,290 | | | $ | 633 | | | $ | 892 | | | $ | 1,508 | | | $ | 977 | | | $ | 6,977 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Commercial real estate | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 51,071 | | | $ | 77,895 | | | $ | 293,519 | | | $ | 202,461 | | | $ | 159,968 | | | $ | 134,164 | | | $ | 7,993 | | | $ | 927,071 | |
| Special Mention | | | — | | | | 251 | | | | — | | | | 1,662 | | | | 162 | | | | 157 | | | | — | | | | 2,232 | |
| Substandard | | | 3,178 | | | | 648 | | | | 1,321 | | | | 3,986 | | | | 2,901 | | | | 3,094 | | | | 117 | | | | 15,245 | |
| Total commercial real estate | | $ | 54,249 | | | $ | 78,794 | | | $ | 294,840 | | | $ | 208,109 | | | $ | 163,031 | | | $ | 137,415 | | | $ | 8,110 | | | $ | 944,548 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | | | $ | — | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Commercial and industrial | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 45,894 | | | $ | 38,599 | | | $ | 120,877 | | | $ | 24,351 | | | $ | 7,612 | | | $ | 15,842 | | | $ | 272,853 | | | $ | 526,028 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | 418 | | | | 418 | |
| Substandard | | | 23 | | | | — | | | | 6 | | | | 24 | | | | — | | | | 235 | | | | 194 | | | | 482 | |
| Total commercial and industrial | | $ | 45,917 | | | $ | 38,599 | | | $ | 120,883 | | | $ | 24,375 | | | $ | 7,612 | | | $ | 16,077 | | | $ | 273,465 | | | $ | 526,928 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | — | | | $ | — | | | $ | (18 | ) | | $ | — | | | $ | — | | | $ | — | | | $ | (812 | ) | | $ | (830 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Consumer | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 4,043 | | | $ | 2,602 | | | $ | 1,307 | | | $ | 824 | | | $ | 200 | | | $ | 821 | | | $ | 645 | | | $ | 10,442 | |
| Special Mention | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | | | | — | |
| Substandard | | | — | | | | 144 | | | | 6 | | | | — | | | | 12 | | | | 83 | | | | — | | | | 245 | |
| Total consumer | | $ | 4,043 | | | $ | 2,746 | | | $ | 1,313 | | | $ | 824 | | | $ | 212 | | | $ | 904 | | | $ | 645 | | | $ | 10,687 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | (87 | ) | | $ | (6 | ) | | $ | (7 | ) | | $ | (2 | ) | | $ | — | | | $ | (25 | ) | | $ | (8 | ) | | $ | (135 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Total loans | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Pass | | $ | 168,206 | | | $ | 203,225 | | | $ | 583,150 | | | $ | 316,694 | | | $ | 227,548 | | | $ | 231,739 | | | $ | 354,037 | | | $ | 2,084,599 | |
| Special Mention | | | 61 | | | | 625 | | | | — | | | | 2,399 | | | | 162 | | | | 4,099 | | | | 418 | | | | 7,764 | |
| Substandard | | | 3,371 | | | | 5,668 | | | | 7,726 | | | | 4,941 | | | | 5,034 | | | | 5,497 | | | | 484 | | | | 32,721 | |
| Total loans | | $ | 171,638 | | | $ | 209,518 | | | $ | 590,876 | | | $ | 324,034 | | | $ | 232,744 | | | $ | 241,335 | | | $ | 354,939 | | | $ | 2,125,084 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Current-period gross charge-offs | | $ | (173 | ) | | $ | (6 | ) | | $ | (144 | ) | | $ | (74 | ) | | $ | — | | | $ | (145 | ) | | $ | (820 | ) | | $ | (1,362 | ) |
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| Schedule of Related Party Transactions [Table Text Block] |
| | | December 31, | |
| | | 2025 | | | 2024 | |
| Balance, beginning of period | | $ | 43,647 | | | $ | 46,000 | |
| New loans/changes in relationship | | | 231 | | | | 620 | |
| Repayments/changes in relationship | | | (9,129 | ) | | | (2,973 | ) |
| Balance, end of period | | $ | 34,749 | | | $ | 43,647 | |
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| Financing Receivable, Allowance for Credit Loss [Table Text Block] |
| | | December 31, | |
| | | 2025 | | | 2024 | | | 2023 | |
| Balance, beginning of period | | $ | 26,721 | | | $ | 30,540 | | | $ | 24,364 | |
| ASC 326 adoption impact(1) | | | — | | | | — | | | | 5,865 | |
| Reversal of credit losses on loans(2) | | | (3,774 | ) | | | (3,191 | ) | | | (1,964 | ) |
| Charge-offs | | | (459 | ) | | | (1,362 | ) | | | (742 | ) |
| Recoveries | | | 3,861 | | | | 734 | | | | 3,017 | |
| Balance, end of period | | $ | 26,349 | | | $ | 26,721 | | | $ | 30,540 | |
| | | December 31, 2025 | |
| | | Construction & Development | | | 1-4 Family | | | Multifamily | | | Farmland | | | Commercial Real Estate | | | Commercial & Industrial | | | Consumer | | | Total | |
| Allowance for credit losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning balance | | $ | 1,145 | | | $ | 5,603 | | | $ | 1,185 | | | $ | 8 | | | $ | 11,759 | | | $ | 6,933 | | | $ | 88 | | | $ | 26,721 | |
| Provision for (reversal of) credit losses on loans | | | 176 | | | | 429 | | | | 629 | | | | (3 | ) | | | (3,692 | ) | | | (1,381 | ) | | | 68 | | | | (3,774 | ) |
| Charge-offs | | | — | | | | (80 | ) | | | — | | | | — | | | | — | | | | (269 | ) | | | (110 | ) | | | (459 | ) |
| Recoveries | | | 6 | | | | 101 | | | | — | | | | 1 | | | | 3,321 | | | | 397 | | | | 35 | | | | 3,861 | |
| Ending balance | | $ | 1,327 | | | $ | 6,053 | | | $ | 1,814 | | | $ | 6 | | | $ | 11,388 | | | $ | 5,680 | | | $ | 81 | | | $ | 26,349 | |
| Ending allowance balance for loans individually evaluated for impairment | | | — | | | | 114 | | | | — | | | | — | | | | 247 | | | | — | | | | 3 | | | | 364 | |
| Ending allowance balance for loans collectively evaluated for impairment | | | 1,327 | | | | 5,939 | | | | 1,814 | | | | 6 | | | | 11,141 | | | | 5,680 | | | | 78 | | | | 25,985 | |
| Loans receivable: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Balance of loans individually evaluated for impairment | | | 59 | | | | 5,113 | | | | — | | | | — | | | | 3,931 | | | | 84 | | | | 72 | | | | 9,259 | |
| Balance of loans collectively evaluated for impairment | | | 147,921 | | | | 371,125 | | | | 130,005 | | | | 4,788 | | | | 908,337 | | | | 595,179 | | | | 9,359 | | | | 2,166,714 | |
| Total period-end balance | | $ | 147,980 | | | $ | 376,238 | | | $ | 130,005 | | | $ | 4,788 | | | $ | 912,268 | | | $ | 595,263 | | | $ | 9,431 | | | $ | 2,175,973 | |
| | | December 31, 2024 | |
| | | Construction & Development | | | 1-4 Family | | | Multifamily | | | Farmland | | | Commercial Real Estate | | | Commercial & Industrial | | | Consumer | | | Total | |
| Allowance for credit losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning balance | | $ | 2,471 | | | $ | 9,129 | | | $ | 1,124 | | | $ | 2 | | | $ | 10,691 | | | $ | 6,920 | | | $ | 203 | | | $ | 30,540 | |
| Provision for (reversal of) credit losses on loans | | | (1,617 | ) | | | (3,291 | ) | | | 61 | | | | (30 | ) | | | 1,068 | | | | 628 | | | | (10 | ) | | | (3,191 | ) |
| Charge-offs | | | (149 | ) | | | (248 | ) | | | — | | | | — | | | | — | | | | (830 | ) | | | (135 | ) | | | (1,362 | ) |
| Recoveries | | | 440 | | | | 13 | | | | — | | | | 36 | | | | — | | | | 215 | | | | 30 | | | | 734 | |
| Ending balance | | $ | 1,145 | | | $ | 5,603 | | | $ | 1,185 | | | $ | 8 | | | $ | 11,759 | | | $ | 6,933 | | | $ | 88 | | | $ | 26,721 | |
| Ending allowance balance for loans individually evaluated for impairment | | | — | | | | 269 | | | | — | | | | — | | | | — | | | | 89 | | | | 3 | | | | 361 | |
| Ending allowance balance for loans collectively evaluated for impairment | | | 1,145 | | | | 5,334 | | | | 1,185 | | | | 8 | | | | 11,759 | | | | 6,844 | | | | 85 | | | | 26,360 | |
| Loans receivable: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Balance of loans individually evaluated for impairment | | | 24 | | | | 3,811 | | | | — | | | | — | | | | 4,291 | | | | 482 | | | | 216 | | | | 8,824 | |
| Balance of loans collectively evaluated for impairment | | | 154,529 | | | | 393,004 | | | | 84,576 | | | | 6,977 | | | | 940,257 | | | | 526,446 | | | | 10,471 | | | | 2,116,260 | |
| Total period-end balance | | $ | 154,553 | | | $ | 396,815 | | | $ | 84,576 | | | $ | 6,977 | | | $ | 944,548 | | | $ | 526,928 | | | $ | 10,687 | | | $ | 2,125,084 | |
| | | December 31, 2023 | |
| | | Construction & Development | | | 1-4 Family | | | Multifamily | | | Farmland | | | Commercial Real Estate | | | Commercial & Industrial | | | Consumer | | | Total | |
| Allowance for credit losses: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Beginning balance | | $ | 2,555 | | | $ | 3,917 | | | $ | 999 | | | $ | 113 | | | $ | 10,718 | | | $ | 5,743 | | | $ | 319 | | | $ | 24,364 | |
| ASC 326 adoption impact | | | (75 | ) | | | 4,712 | | | | (84 | ) | | | (99 | ) | | | 676 | | | | 793 | | | | (58 | ) | | | 5,865 | |
| Provision for (reversal of) credit losses on loans | | | (84 | ) | | | 524 | | | | 209 | | | | (12 | ) | | | (2,922 | ) | | | 213 | | | | 108 | | | | (1,964 | ) |
| Charge-offs | | | — | | | | (46 | ) | | | — | | | | — | | | | (27 | ) | | | (421 | ) | | | (248 | ) | | | (742 | ) |
| Recoveries | | | 75 | | | | 22 | | | | — | | | | — | | | | 2,246 | | | | 592 | | | | 82 | | | | 3,017 | |
| Ending balance | | $ | 2,471 | | | $ | 9,129 | | | $ | 1,124 | | | $ | 2 | | | $ | 10,691 | | | $ | 6,920 | | | $ | 203 | | | $ | 30,540 | |
| Ending allowance balance for loans individually evaluated for impairment | | | 212 | | | | 187 | | | | — | | | | — | | | | — | | | | 114 | | | | 25 | | | | 538 | |
| Ending allowance balance for loans collectively evaluated for impairment | | | 2,259 | | | | 8,942 | | | | 1,124 | | | | 2 | | | | 10,691 | | | | 6,806 | | | | 178 | | | | 30,002 | |
| Loans receivable: | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
| Balance of loans individually evaluated for impairment | | | 789 | | | | 4,178 | | | | — | | | | — | | | | 216 | | | | 468 | | | | 119 | | | | 5,770 | |
| Balance of loans collectively evaluated for impairment | | | 189,582 | | | | 409,608 | | | | 105,946 | | | | 7,651 | | | | 937,492 | | | | 542,953 | | | | 11,617 | | | | 2,204,849 | |
| Total period-end balance | | $ | 190,371 | | | $ | 413,786 | | | $ | 105,946 | | | $ | 7,651 | | | $ | 937,708 | | | $ | 543,421 | | | $ | 11,736 | | | $ | 2,210,619 | |
|