| Summary of Credit Quality of Loan Portfolio by Loan Class |
The following tables summarize the risk grading of the Corporation’s loan portfolio and gross charge-offs by loan class and by year of origination for the periods indicated. Consumer loans are not risk graded. For the purposes of this disclosure, consumer loans are classified in the following manner: loans that are less than 30 days past due are Pass, loans 30-89 days past due are Special Mention and loans greater than 89 days past due are Substandard. The entire balance of a loan is considered delinquent if the minimum payment contractually required to be made is not received by the specified due date. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | Term Loans (amortized cost basis by origination year) | | | | | | | | 2026 | | 2025 | | 2024 | | 2023 | | 2022 | | Prior | | Revolving loans amortized cost basis | | Revolving loans converted to term | | Total | | Commercial and industrial loans | | | | | | | | | | | | | | | | | | | Pass | $ | 466,817 | | | $ | 1,182,789 | | | $ | 585,824 | | | $ | 198,497 | | | $ | 114,033 | | | $ | 199,661 | | | $ | 1,667,871 | | | $ | 429 | | | $ | 4,415,921 | | | Special Mention | 214 | | | 4,037 | | | 17,049 | | | 18,538 | | | 8,018 | | | 6,876 | | | 84,008 | | | — | | | 138,740 | | | Substandard | 4,841 | | | 2,868 | | | 24,845 | | | 3,847 | | | 4,725 | | | 28,646 | | | 51,727 | | | — | | | 121,499 | | | Doubtful | — | | | 27,121 | | | 590 | | | — | | | — | | | 11,256 | | | 5,314 | | | — | | | 44,281 | | | | | | | | | | | | | | | | | | | | | Total Commercial and industrial loans | 471,872 | | | 1,216,815 | | | 628,308 | | | 220,882 | | | 126,776 | | | 246,439 | | | 1,808,920 | | | 429 | | | 4,720,441 | | | Current period gross charge-offs | — | | | 3,294 | | | 633 | | | 733 | | | 1,807 | | | 4,764 | | | — | | | — | | | 11,231 | | | Agricultural land, production and other loans to farmers | | | | | | | | | | | | | | | | | | | Pass | 33,420 | | | 62,738 | | | 24,635 | | | 20,446 | | | 27,322 | | | 73,048 | | | 73,820 | | | — | | | 315,429 | | | Special Mention | — | | | 400 | | | — | | | — | | | — | | | — | | | 2,250 | | | — | | | 2,650 | | | Substandard | — | | | 600 | | | 2,157 | | | 88 | | | 16 | | | 1,451 | | | 957 | | | — | | | 5,269 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Agricultural land, production and other loans to farmers | 33,420 | | | 63,738 | | | 26,792 | | | 20,534 | | | 27,338 | | | 74,499 | | | 77,027 | | | — | | | 323,348 | | | | | | | | | | | | | | | | | | | | | Real estate loans: | | | | | | | | | | | | | | | | | | | Construction | | | | | | | | | | | | | | | | | | | Pass | 75,598 | | | 344,291 | | | 281,794 | | | 100,568 | | | 16,976 | | | 15,514 | | | 18,110 | | | — | | | 852,851 | | | Special Mention | — | | | 9,536 | | | — | | | — | | | 35 | | | — | | | — | | | — | | | 9,571 | | | Substandard | — | | | — | | | — | | | — | | | 11,667 | | | 330 | | | — | | | — | | | 11,997 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Construction | 75,598 | | | 353,827 | | | 281,794 | | | 100,568 | | | 28,678 | | | 15,844 | | | 18,110 | | | — | | | 874,419 | | | | | | | | | | | | | | | | | | | | | Commercial real estate, non-owner occupied | | | | | | | | | | | | | | | | | | | Pass | 226,178 | | | 523,756 | | | 299,785 | | | 323,063 | | | 535,571 | | | 1,140,422 | | | 28,697 | | | — | | | 3,077,472 | | | Special Mention | — | | | 9,128 | | | 8,730 | | | 39,842 | | | 3,808 | | | 29,318 | | | 60 | | | — | | | 90,886 | | | Substandard | — | | | 54,243 | | | 29,788 | | | 5,856 | | | 5,351 | | | 8,024 | | | — | | | — | | | 103,262 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Commercial real estate, non-owner occupied | 226,178 | | | 587,127 | | | 338,303 | | | 368,761 | | | 544,730 | | | 1,177,764 | | | 28,757 | | | — | | | 3,271,620 | | | Current period gross charge-offs | — | | | 3,468 | | | — | | | — | | | — | | | — | | | — | | | — | | | 3,468 | | | Commercial real estate, owner occupied | | | | | | | | | | | | | | | | | | | Pass | 144,339 | | | 282,324 | | | 144,262 | | | 125,596 | | | 145,183 | | | 408,099 | | | 46,685 | | | — | | | 1,296,488 | | | Special Mention | 395 | | | 2,591 | | | 3,127 | | | 5,440 | | | 6,033 | | | 11,074 | | | 549 | | | — | | | 29,209 | | | Substandard | 1,940 | | | 3,267 | | | 16,169 | | | 2,613 | | | 9,048 | | | 9,600 | | | 293 | | | — | | | 42,930 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Commercial real estate, owner occupied | 146,674 | | | 288,182 | | | 163,558 | | | 133,649 | | | 160,264 | | | 428,773 | | | 47,527 | | | — | | | 1,368,627 | | | Current period gross charge-offs | — | | | — | | | — | | | 57 | | | 5 | | | 211 | | | — | | | — | | | 273 | | | Residential | | | | | | | | | | | | | | | | | | | Pass | 169,892 | | | 312,355 | | | 179,954 | | | 363,070 | | | 508,030 | | | 772,020 | | | 3,660 | | | 768 | | | 2,309,749 | | | Special Mention | — | | | 900 | | | 1,141 | | | 4,266 | | | 7,655 | | | 9,320 | | | — | | | 25 | | | 23,307 | | | Substandard | — | | | 1,428 | | | 1,136 | | | 4,962 | | | 6,975 | | | 10,042 | | | 3,193 | | | — | | | 27,736 | | | Doubtful | — | | | — | | | 234 | | | — | | | — | | | 108 | | | 346 | | | — | | | 688 | | | | | | | | | | | | | | | | | | | | | Total Residential | 169,892 | | | 314,683 | | | 182,465 | | | 372,298 | | | 522,660 | | | 791,490 | | | 7,199 | | | 793 | | | 2,361,480 | | | Current period gross charge-offs | — | | | 137 | | | 22 | | | 279 | | | 311 | | | 279 | | | — | | | — | | | 1,028 | | | Home equity | | | | | | | | | | | | | | | | | | | Pass | 1,275 | | | 8,396 | | | 3,806 | | | 4,615 | | | 20,353 | | | 50,168 | | | 1,003,997 | | | 8,765 | | | 1,101,375 | | | Special Mention | — | | | 38 | | | 9 | | | — | | | 183 | | | 473 | | | 11,454 | | | 35 | | | 12,192 | | | Substandard | — | | | — | | | — | | | 659 | | | 53 | | | 701 | | | 3,474 | | | 208 | | | 5,095 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Home Equity | 1,275 | | | 8,434 | | | 3,815 | | | 5,274 | | | 20,589 | | | 51,342 | | | 1,018,925 | | | 9,008 | | | 1,118,662 | | | Current period gross charge-offs | — | | | — | | | 6 | | | 7 | | | 24 | | | 268 | | | — | | | — | | | 305 | | | Individuals' loans for household and other personal expenditures | | | | | | | | | | | | | | | | | | | Pass | 22,454 | | | 29,693 | | | 13,789 | | | 9,634 | | | 15,038 | | | 5,239 | | | 51,820 | | | 1,098 | | | 148,765 | | | Special Mention | 5 | | | 259 | | | 133 | | | 282 | | | 67 | | | 58 | | | 309 | | | — | | | 1,113 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Individuals' loans for household and other personal expenditures | 22,459 | | | 29,952 | | | 13,922 | | | 9,916 | | | 15,105 | | | 5,297 | | | 52,129 | | | 1,098 | | | 149,878 | | | Current period gross charge-offs | 37 | | | 335 | | | 349 | | | 216 | | | 85 | | | 89 | | | — | | | — | | | 1,111 | | | Public finance and other commercial loans | | | | | | | | | | | | | | | | | | | Pass | 25,126 | | | 98,321 | | | 142,871 | | | 55,548 | | | 203,497 | | | 579,843 | | | 236,845 | | | — | | | 1,342,051 | | | | | | | | | | | | | | | | | | | | | Substandard | — | | | — | | | — | | | — | | | — | | | 211 | | | — | | | — | | | 211 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Public finance and other commercial loans | 25,126 | | | 98,321 | | | 142,871 | | | 55,548 | | | 203,497 | | | 580,054 | | | 236,845 | | | — | | | 1,342,262 | | | | | | | | | | | | | | | | | | | | | Loans | $ | 1,172,494 | | | $ | 2,961,079 | | | $ | 1,781,828 | | | $ | 1,287,430 | | | $ | 1,649,637 | | | $ | 3,371,502 | | | $ | 3,295,439 | | | $ | 11,328 | | | $ | 15,530,737 | | | Total current period gross charge-offs | $ | 37 | | | $ | 7,234 | | | $ | 1,010 | | | $ | 1,292 | | | $ | 2,232 | | | $ | 5,611 | | | $ | — | | | $ | — | | | $ | 17,416 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | Term Loans (amortized cost basis by origination year) | | | | | | | | 2025 | | 2024 | | 2023 | | 2022 | | 2021 | | Prior | | Revolving loans amortized cost basis | | Revolving loans converted to term | | Total | | Commercial and industrial loans | | | | | | | | | | | | | | | | | | | Pass | $ | 1,518,095 | | | $ | 710,695 | | | $ | 236,596 | | | $ | 115,775 | | | $ | 69,834 | | | $ | 65,800 | | | $ | 1,540,939 | | | $ | — | | | $ | 4,257,734 | | | Special Mention | 9,552 | | | 34,613 | | | 7,683 | | | 3,246 | | | 4,041 | | | 479 | | | 40,986 | | | — | | | 100,600 | | | Substandard | 1,587 | | | 17,140 | | | 2,671 | | | 2,980 | | | 11,710 | | | 19,116 | | | 62,556 | | | — | | | 117,760 | | | Doubtful | 401 | | | 582 | | | — | | | — | | | — | | | — | | | 1,205 | | | — | | | 2,188 | | | | | | | | | | | | | | | | | | | | | Total Commercial and industrial loans | 1,529,635 | | | 763,030 | | | 246,950 | | | 122,001 | | | 85,585 | | | 85,395 | | | 1,645,686 | | | — | | | 4,478,282 | | | Current period gross charge-offs | 7,981 | | | 1,348 | | | 2,434 | | | 264 | | | 3,685 | | | 1,964 | | | — | | | — | | | 17,676 | | | Agricultural land, production and other loans to farmers | | | | | | | | | | | | | | | | | | | Pass | 62,959 | | | 18,469 | | | 20,924 | | | 24,465 | | | 22,246 | | | 42,529 | | | 80,039 | | | — | | | 271,631 | | | Special Mention | 590 | | | 1,636 | | | 22 | | | 499 | | | — | | | 1,478 | | | 1,182 | | | — | | | 5,407 | | | Substandard | 600 | | | 2,165 | | | 16 | | | — | | | — | | | 2,085 | | | 1,221 | | | — | | | 6,087 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Agricultural land, production and other loans to farmers | 64,149 | | | 22,270 | | | 20,962 | | | 24,964 | | | 22,246 | | | 46,092 | | | 82,442 | | | — | | | 283,125 | | | | | | | | | | | | | | | | | | | | | Real estate loans: | | | | | | | | | | | | | | | | | | | Construction | | | | | | | | | | | | | | | | | | | Pass | 231,041 | | | 313,838 | | | 100,587 | | | 17,515 | | | 921 | | | 9,954 | | | 15,261 | | | — | | | 689,117 | | | Special Mention | 41,580 | | | 6,104 | | | — | | | — | | | 8,683 | | | — | | | — | | | — | | | 56,367 | | | Substandard | 34,176 | | | 12,889 | | | 641 | | | 11,585 | | | — | | | — | | | — | | | — | | | 59,291 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Construction | 306,797 | | | 332,831 | | | 101,228 | | | 29,100 | | | 9,604 | | | 9,954 | | | 15,261 | | | — | | | 804,775 | | | Current period gross charge-offs | — | | | 63 | | | — | | | — | | | 1 | | | — | | | — | | | — | | | 64 | | | Commercial real estate, non-owner occupied | | | | | | | | | | | | | | | | | | | Pass | 482,587 | | | 259,106 | | | 292,161 | | | 258,662 | | | 367,482 | | | 458,340 | | | 31,841 | | | — | | | 2,150,179 | | | Special Mention | 59,566 | | | 36,106 | | | 340 | | | 3,633 | | | 2,308 | | | 4,715 | | | 100 | | | — | | | 106,768 | | | Substandard | 57,489 | | | 10,496 | | | 5,119 | | | 5,171 | | | 2,701 | | | 662 | | | 81 | | | — | | | 81,719 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Commercial real estate, non-owner occupied | 599,642 | | | 305,708 | | | 297,620 | | | 267,466 | | | 372,491 | | | 463,717 | | | 32,022 | | | — | | | 2,338,666 | | | Current period gross charge-offs | — | | | — | | | — | | | 451 | | | — | | | 16 | | | — | | | — | | | 467 | | | Commercial real estate, owner occupied | | | | | | | | | | | | | | | | | | | Pass | 332,121 | | | 136,005 | | | 129,030 | | | 141,679 | | | 180,180 | | | 219,914 | | | 33,983 | | | — | | | 1,172,912 | | | Special Mention | 883 | | | 16,592 | | | 1,426 | | | 4,922 | | | 4,838 | | | 1,075 | | | 443 | | | — | | | 30,179 | | | Substandard | — | | | 13,510 | | | 5,328 | | | 5,732 | | | 1,061 | | | 7,826 | | | 260 | | | — | | | 33,717 | | | Doubtful | — | | | 292 | | | — | | | — | | | — | | | — | | | — | | | — | | | 292 | | | | | | | | | | | | | | | | | | | | | Total Commercial real estate, owner occupied | 333,004 | | | 166,399 | | | 135,784 | | | 152,333 | | | 186,079 | | | 228,815 | | | 34,686 | | | — | | | 1,237,100 | | | Current period gross charge-offs | — | | | 243 | | | 152 | | | — | | | — | | | 4 | | | — | | | — | | | 399 | | | Residential | | | | | | | | | | | | | | | | | | | Pass | 310,019 | | | 167,128 | | | 389,574 | | | 613,787 | | | 352,662 | | | 528,875 | | | 7,188 | | | 46 | | | 2,369,279 | | | Special Mention | 345 | | | 1,312 | | | 6,116 | | | 9,565 | | | 5,993 | | | 4,926 | | | 346 | | | — | | | 28,603 | | | Substandard | 328 | | | 1,411 | | | 4,517 | | | 7,145 | | | 4,840 | | | 3,919 | | | 268 | | | — | | | 22,428 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Residential | 310,692 | | | 169,851 | | | 400,207 | | | 630,497 | | | 363,495 | | | 537,720 | | | 7,802 | | | 46 | | | 2,420,310 | | | Current period gross charge-offs | — | | | 114 | | | 814 | | | 737 | | | 102 | | | 163 | | | — | | | — | | | 1,930 | | | Home equity | | | | | | | | | | | | | | | | | | | Pass | 10,173 | | | 3,020 | | | 3,431 | | | 21,442 | | | 42,749 | | | 10,194 | | | 608,020 | | | 1,470 | | | 700,499 | | | Special Mention | — | | | 674 | | | — | | | 297 | | | 447 | | | 59 | | | 5,097 | | | 329 | | | 6,903 | | | Substandard | 60 | | | — | | | — | | | 90 | | | 304 | | | 377 | | | 2,637 | | | 110 | | | 3,578 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Home Equity | 10,233 | | | 3,694 | | | 3,431 | | | 21,829 | | | 43,500 | | | 10,630 | | | 615,754 | | | 1,909 | | | 710,980 | | | Current period gross charge-offs | — | | | 92 | | | 8 | | | 653 | | | 563 | | | 204 | | | — | | | — | | | 1,520 | | | Individuals' loans for household and other personal expenditures | | | | | | | | | | | | | | | | | | | Pass | 40,478 | | | 16,525 | | | 12,010 | | | 19,038 | | | 5,067 | | | 3,961 | | | 55,751 | | | 1,649 | | | 154,479 | | | Special Mention | 108 | | | 139 | | | 174 | | | 113 | | | 152 | | | 16 | | | 115 | | | 140 | | | 957 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Individuals' loans for household and other personal expenditures | 40,586 | | | 16,664 | | | 12,184 | | | 19,151 | | | 5,219 | | | 3,977 | | | 55,866 | | | 1,789 | | | 155,436 | | | Current period gross charge-offs | 307 | | | 618 | | | 612 | | | 396 | | | 149 | | | 83 | | | — | | | — | | | 2,165 | | | Public finance and other commercial loans | | | | | | | | | | | | | | | | | | | Pass | 134,004 | | | 144,742 | | | 52,795 | | | 198,964 | | | 185,906 | | | 407,974 | | | 238,648 | | | — | | | 1,363,033 | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Total Public finance and other commercial loans | 134,004 | | | 144,742 | | | 52,795 | | | 198,964 | | | 185,906 | | | 407,974 | | | 238,648 | | | — | | | 1,363,033 | | | | | | | | | | | | | | | | | | | | | Loans | $ | 3,328,742 | | | $ | 1,925,189 | | | $ | 1,271,161 | | | $ | 1,466,305 | | | $ | 1,274,125 | | | $ | 1,794,274 | | | $ | 2,728,167 | | | $ | 3,744 | | | $ | 13,791,707 | | | Total current period gross charge-offs | $ | 8,288 | | | $ | 2,478 | | | $ | 4,020 | | | $ | 2,501 | | | $ | 4,500 | | | $ | 2,434 | | | $ | — | | | $ | — | | | $ | 24,221 | |
The tables below present the amortized cost basis of collateral dependent loans by loan class and their respective collateral type, which are individually evaluated to determine expected credit losses. The total collateral dependent loan balance increased $19.9 million from December 31, 2025, primarily related to increases of $24.5 million and $5.1 million in the commercial and industrial and commercial real estate, owner occupied loan classes, respectively. The increase was partially offset by a decrease of $12.4 million in the construction loan class. The total related allowance balance increased $10.1 million from December 31, 2025, primarily related to an increase of $10.9 million in the commercial and industrial loan class. The increase was partially offset by a decrease of $2.1 million in the commercial real estate, non-owner occupied loan class. | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2026 | | Commercial Real Estate | | Residential Real Estate | | Business Assets and Other | | Total | | Allowance on Collateral Dependent Loans | | Commercial and industrial loans | $ | — | | | $ | — | | | $ | 62,589 | | | $ | 62,589 | | | $ | 24,080 | | | | | | | | | | | | | Real estate loans: | | | | | | | | | | | Construction | — | | | 10,060 | | | — | | | 10,060 | | | 167 | | | Commercial real estate, non-owner occupied | 16,479 | | | — | | | — | | | 16,479 | | | 1,819 | | | Commercial real estate, owner occupied | 10,626 | | | — | | | — | | | 10,626 | | | 934 | | | Residential | — | | | 1,864 | | | — | | | 1,864 | | | 318 | | | Home equity | — | | | 696 | | | — | | | 696 | | | 17 | | | | | | | | | | | | | | | | | | | | | | | Loans | $ | 27,105 | | | $ | 12,620 | | | $ | 62,589 | | | $ | 102,314 | | | $ | 27,335 | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2025 | | Commercial Real Estate | | Residential Real Estate | | Business Assets and Other | | Total | | Allowance on Collateral Dependent Loans | | Commercial and industrial loans | $ | — | | | $ | — | | | $ | 38,063 | | | $ | 38,063 | | | $ | 13,157 | | | | | | | | | | | | | Real estate loans: | | | | | | | | | | | Construction | — | | | 22,482 | | | — | | | 22,482 | | | — | | | Commercial real estate, non-owner occupied | 15,161 | | | — | | | — | | | 15,161 | | | 3,938 | | | Commercial real estate, owner occupied | 5,511 | | | — | | | — | | | 5,511 | | | — | | | Residential | — | | | 1,023 | | | — | | | 1,023 | | | 166 | | | Home equity | — | | | 145 | | | — | | | 145 | | | 19 | | | | | | | | | | | | | | | | | | | | | | | Loans | $ | 20,672 | | | $ | 23,650 | | | $ | 38,063 | | | $ | 82,385 | | | $ | 17,280 | |
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