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Loans and ACL - Summary of Recorded Investment of Loans Held for Investment by Internal Loan Grade by Year of Origination Quarterly (Detail) - USD ($) $ in Thousands | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | $ 18,457 | $ 58,252 |
2024 | 51,165 | 181,865 |
2023 | 173,949 | 740,853 |
2022 | 717,806 | 323,241 |
2021 | 313,765 | 260,534 |
Prior | 578,645 | 340,307 |
Revolving Loans | 205,494 | 205,703 |
Total | 2,059,281 | 2,110,755 |
Current period gross charge-offs | 2,789 |  |
Current period gross charge-offs 2024 | 325 |  |
Current period gross charge-offs 2023 | 85 |  |
Current period gross charge-offs 2022 | 2,157 |  |
Current period gross charge-offs 2021 | 6 |  |
Current period gross charge-offs prior | 166 |  |
Current period gross charge-offs revolving | 50 |  |
Commercial and Industrial [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 5,226 | 15,499 |
2024 | 11,766 | 40,237 |
2023 | 38,052 | 107,206 |
2022 | 97,039 | 35,345 |
2021 | 34,522 | 23,150 |
Prior | 36,947 | 17,987 |
Revolving Loans | 116,547 | 115,480 |
Total | 340,099 | 354,904 |
Current period gross charge-offs | 2,123 |  |
Current period gross charge-offs 2024 | 23 |  |
Current period gross charge-offs 2023 | 30 |  |
Current period gross charge-offs 2022 | 1,937 |  |
Current period gross charge-offs prior | 83 |  |
Current period gross charge-offs revolving | 50 |  |
Construction, Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 180 | 6,219 |
2024 | 6,341 | 7,483 |
2023 | 4,895 | 65,560 |
2022 | 64,453 | 15,367 |
2021 | 7,326 | 10,175 |
Prior | 19,412 | 9,288 |
Revolving Loans | 399 | 399 |
Total | 103,006 | 114,491 |
Construction, Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 5,005 | 19,767 |
2024 | 17,829 | 9,030 |
2023 | 7,773 | 7,992 |
2022 | 3,819 | 13,971 |
2021 | 18,278 |  |
Prior | 55 | 57 |
Revolving Loans | 739 | 990 |
Total | 53,498 | 51,807 |
Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 5,924 | 6,847 |
2024 | 6,755 | 39,790 |
2023 | 40,614 | 320,210 |
2022 | 314,535 | 137,196 |
2021 | 133,906 | 159,760 |
Prior | 309,074 | 158,507 |
Revolving Loans | 23,415 | 25,532 |
Total | 834,223 | 847,842 |
Current period gross charge-offs | 63 |  |
Current period gross charge-offs prior | 63 |  |
Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 1,157 | 3,668 |
2024 | 3,108 | 67,516 |
2023 | 66,701 | 229,615 |
2022 | 228,627 | 118,090 |
2021 | 116,841 | 66,320 |
Prior | 209,946 | 151,202 |
Revolving Loans | 57,566 | 55,842 |
Total | 683,946 | 692,253 |
Current period gross charge-offs | 16 |  |
Current period gross charge-offs prior | 16 |  |
Farmland [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 147 |
2024 | 146 | 135 |
2023 | 132 | 997 |
2022 | 995 | 1,339 |
2021 | 1,322 |  |
Prior | 2,005 | 2,753 |
Revolving Loans | 148 | 149 |
Total | 4,748 | 5,520 |
Consumer [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 965 | 6,105 |
2024 | 5,220 | 17,674 |
2023 | 15,782 | 9,273 |
2022 | 8,338 | 1,933 |
2021 | 1,570 | 1,129 |
Prior | 1,206 | 513 |
Revolving Loans | 6,680 | 7,311 |
Total | 39,761 | 43,938 |
Current period gross charge-offs | 587 |  |
Current period gross charge-offs 2024 | 302 |  |
Current period gross charge-offs 2023 | 55 |  |
Current period gross charge-offs 2022 | 220 |  |
Current period gross charge-offs 2021 | 6 |  |
Current period gross charge-offs prior | 4 |  |
Risk Grades 1 - 4 |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 18,230 | 53,329 |
2024 | 46,749 | 147,386 |
2023 | 143,246 | 618,362 |
2022 | 554,044 | 272,353 |
2021 | 248,595 | 230,603 |
Prior | 499,404 | 300,706 |
Revolving Loans | 187,227 | 182,509 |
Total | 1,697,495 | 1,805,248 |
Risk Grades 1 - 4 | Commercial and Industrial [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 5,226 | 13,883 |
2024 | 10,508 | 13,559 |
2023 | 13,830 | 64,530 |
2022 | 52,822 | 14,600 |
2021 | 12,525 | 17,405 |
Prior | 28,927 | 15,760 |
Revolving Loans | 103,283 | 98,867 |
Total | 227,121 | 238,604 |
Risk Grades 1 - 4 | Construction, Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 180 | 6,219 |
2024 | 6,341 | 6,277 |
2023 | 3,694 | 65,560 |
2022 | 46,453 | 7,776 |
2021 | 6,593 | 5,405 |
Prior | 9,641 | 4,792 |
Revolving Loans | 399 | 399 |
Total | 73,301 | 96,428 |
Risk Grades 1 - 4 | Construction, Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 4,919 | 19,574 |
2024 | 17,829 | 8,861 |
2023 | 7,558 | 7,837 |
2022 | 3,352 | 13,971 |
Prior | 55 | 57 |
Revolving Loans | 739 | 990 |
Total | 34,452 | 51,290 |
Risk Grades 1 - 4 | Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 5,924 | 4,747 |
2024 | 4,663 | 34,698 |
2023 | 37,221 | 245,563 |
2022 | 217,275 | 118,435 |
2021 | 114,002 | 142,211 |
Prior | 259,122 | 133,856 |
Revolving Loans | 19,007 | 21,323 |
Total | 657,214 | 700,833 |
Risk Grades 1 - 4 | Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 1,016 | 2,815 |
2024 | 2,199 | 66,780 |
2023 | 65,597 | 225,159 |
2022 | 225,464 | 114,682 |
2021 | 112,936 | 64,548 |
Prior | 198,552 | 143,002 |
Revolving Loans | 56,971 | 53,498 |
Total | 662,735 | 670,484 |
Risk Grades 1 - 4 | Farmland [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 147 |
2024 | 146 |  |
2023 |  | 997 |
2022 | 995 | 1,239 |
2021 | 1,225 |  |
Prior | 2,005 | 2,753 |
Revolving Loans | 148 | 149 |
Total | 4,519 | 5,285 |
Risk Grades 1 - 4 | Consumer [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 965 | 5,944 |
2024 | 5,063 | 17,211 |
2023 | 15,346 | 8,716 |
2022 | 7,683 | 1,650 |
2021 | 1,314 | 1,034 |
Prior | 1,102 | 486 |
Revolving Loans | 6,680 | 7,283 |
Total | 38,153 | 42,324 |
Risk Grades 5 - 6 |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 86 | 2,327 |
2024 | 1,939 | 30,880 |
2023 | 28,879 | 104,708 |
2022 | 145,156 | 26,264 |
2021 | 38,661 | 24,907 |
Prior | 68,296 | 30,699 |
Revolving Loans | 15,941 | 19,371 |
Total | 298,958 | 239,156 |
Risk Grades 5 - 6 | Commercial and Industrial [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 672 |
2024 | 397 | 24,430 |
2023 | 23,880 | 37,503 |
2022 | 38,796 | 10,201 |
2021 | 6,939 | 5,183 |
Prior | 6,209 | 979 |
Revolving Loans | 11,460 | 15,092 |
Total | 87,681 | 94,060 |
Risk Grades 5 - 6 | Construction, Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 1,090 |
2023 | 1,086 |  |
2022 | 18,000 | 7,567 |
2021 | 714 | 4,770 |
Prior | 9,584 | 4,235 |
Total | 29,384 | 17,662 |
Risk Grades 5 - 6 | Construction, Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 86 | 193 |
2023 | 215 |  |
2021 | 18,278 |  |
Total | 18,579 | 193 |
Risk Grades 5 - 6 | Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 535 |
2024 | 532 | 5,092 |
2023 | 3,393 | 64,677 |
2022 | 87,068 | 7,002 |
2021 | 10,375 | 14,604 |
Prior | 47,782 | 23,104 |
Revolving Loans | 4,383 | 4,184 |
Total | 153,533 | 119,198 |
Risk Grades 5 - 6 | Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 853 |
2024 | 909 |  |
2023 |  | 2,303 |
2022 | 998 | 1,295 |
2021 | 2,182 | 318 |
Prior | 4,692 | 2,378 |
Revolving Loans | 98 | 95 |
Total | 8,879 | 7,242 |
Risk Grades 5 - 6 | Farmland [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 135 |
2023 | 132 |  |
2022 |  | 100 |
2021 | 97 |  |
Total | 229 | 235 |
Risk Grades 5 - 6 | Consumer [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 74 |
2024 | 101 | 133 |
2023 | 173 | 225 |
2022 | 294 | 99 |
2021 | 76 | 32 |
Prior | 29 | 3 |
Total | 673 | 566 |
Risk Grade 7 |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 141 | 2,596 |
2024 | 2,477 | 3,599 |
2023 | 1,817 | 17,783 |
2022 | 18,606 | 23,163 |
2021 | 23,165 | 5,024 |
Prior | 10,945 | 8,709 |
Revolving Loans | 2,326 | 3,823 |
Total | 59,477 | 64,697 |
Risk Grade 7 | Commercial and Industrial [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 944 |
2024 | 861 | 2,248 |
2023 | 342 | 5,173 |
2022 | 5,421 | 10,462 |
2021 | 13,053 | 562 |
Prior | 1,811 | 1,247 |
Revolving Loans | 1,804 | 1,521 |
Total | 23,292 | 22,157 |
Risk Grade 7 | Construction, Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 116 |
2023 | 115 |  |
2022 |  | 24 |
2021 | 19 |  |
Prior | 187 | 261 |
Total | 321 | 401 |
Risk Grade 7 | Construction, Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 169 |
2023 |  | 155 |
2022 | 467 |  |
Total | 467 | 324 |
Risk Grade 7 | Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 1,565 |
2024 | 1,560 |  |
2023 |  | 9,970 |
2022 | 10,192 | 10,380 |
2021 | 8,190 | 2,945 |
Prior | 2,170 | 1,355 |
Revolving Loans | 25 | 25 |
Total | 22,137 | 26,240 |
Risk Grade 7 | Residential [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 | 141 |  |
2024 |  | 736 |
2023 | 1,104 | 2,153 |
2022 | 2,165 | 2,113 |
2021 | 1,723 | 1,454 |
Prior | 6,702 | 5,822 |
Revolving Loans | 497 | 2,249 |
Total | 12,332 | 14,527 |
Risk Grade 7 | Consumer [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2025 |  | 87 |
2024 | 56 | 330 |
2023 | 256 | 332 | $ 7
2022 | 361 | 184 |
2021 | 180 | 63 |
Prior | 75 | 24 |
Revolving Loans |  | 28 |
Total | 928 | 1,048 |
Risk Grade 8 |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2023 | 7 |  |
2022 |  | 1,461 |
2021 | 3,344 |  |
Prior |  | 193 |
Total | 3,351 | 1,654 |
Risk Grade 8 | Commercial and Industrial [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2022 |  | 82 |
2021 | 2,005 |  |
Prior |  | 1 |
Total | 2,005 | 83 |
Risk Grade 8 | Commercial [Member] | Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2022 |  | 1,379 |
2021 | 1,339 |  |
Prior |  | 192 |
Total | 1,339 | $ 1,571 |
Risk Grade 8 | Consumer [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Total | $ 7 |  |

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