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Loans - Risk Category of Loans by Portfolio Class Based on Year of Origination (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Grand Total | $ 2,560,795 | $ 2,578,472 |
Consumer Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 40,400 | 78,526 |
2023 | 64,555 | 88,996 |
2022 | 80,069 | 90,697 |
2021 | 91,137 | 82,843 |
2020 | 75,461 | 32,548 |
Prior | 107,166 | 95,380 |
Term Total | 458,788 | 468,990 |
Revolving Loans Amortized Cost Basis | 61,352 | 52,918 |
Revolving Loans Converted to Term | 252 |  |
Grand Total | 520,392 | 521,908 |
Gross charge-offs - Prior | 13 |  |
Gross charge-offs - Term Total | 13 |  |
Gross charge-offs - Grand Total | 13 |  |
Consumer Real Estate [Member] | Pass [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 40,257 | 77,298 |
2023 | 64,316 | 88,695 |
2022 | 79,503 | 90,139 |
2021 | 89,800 | 82,680 |
2020 | 74,996 | 32,302 |
Prior | 106,007 | 94,294 |
Term Total | 454,879 | 465,408 |
Revolving Loans Amortized Cost Basis | 61,097 | 52,904 |
Revolving Loans Converted to Term | 237 |  |
Grand Total | 516,213 | 518,312 |
Consumer Real Estate [Member] | Special Mention [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 1,228 |
2023 |  | 40 |
2022 | 37 |  |
2021 | 551 |  |
Prior | 119 | 134 |
Term Total | 707 | 1,402 |
Revolving Loans Amortized Cost Basis | 19 |  |
Grand Total | 726 | 1,402 |
Consumer Real Estate [Member] | Substandard [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 143 |  |
2023 | 239 | 261 |
2022 | 529 | 558 |
2021 | 786 | 163 |
2020 | 465 | 246 |
Prior | 1,040 | 952 |
Term Total | 3,202 | 2,180 |
Revolving Loans Amortized Cost Basis | 236 | 14 |
Revolving Loans Converted to Term | 15 |  |
Grand Total | 3,453 | 2,194 |
Agricultural Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 29,513 | 30,504 |
2023 | 28,088 | 38,060 |
2022 | 34,840 | 37,378 |
2021 | 22,983 | 26,060 |
2020 | 23,639 | 18,864 |
Prior | 76,982 | 72,516 |
Term Total | 216,045 | 223,382 |
Revolving Loans Amortized Cost Basis | 92 | 97 |
Grand Total | 216,137 | 223,479 |
Agricultural Real Estate [Member] | Pass [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 23,817 | 30,504 |
2023 | 28,088 | 37,199 |
2022 | 34,469 | 25,168 |
2021 | 22,983 | 25,874 |
2020 | 23,639 | 18,456 |
Prior | 76,964 | 68,651 |
Term Total | 209,960 | 205,852 |
Revolving Loans Amortized Cost Basis | 92 | 97 |
Grand Total | 210,052 | 205,949 |
Agricultural Real Estate [Member] | Special Mention [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2023 |  | 861 | $ 0
2022 |  | 14 |
2020 |  | 149 |
Prior | 13 | 359 |
Term Total | 13 | 1,383 |
Grand Total | 13 | 1,383 |
Agricultural Real Estate [Member] | Substandard [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 5,696 |  |
2022 | 371 | 12,196 |
2021 |  | 186 |
2020 |  | 259 |
Prior | 5 | 3,506 |
Term Total | 6,072 | 16,147 |
Grand Total | 6,072 | 16,147 |
Agricultural [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 14,915 | 18,339 |
2023 | 10,534 | 21,585 |
2022 | 14,381 | 10,477 |
2021 | 5,624 | 4,974 |
2020 | 3,233 | 3,856 |
Prior | 3,911 | 1,880 |
Term Total | 52,598 | 61,111 |
Revolving Loans Amortized Cost Basis | 99,783 | 71,652 |
Grand Total | 152,381 | 132,763 |
Agricultural [Member] | Pass [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 14,915 | 17,787 |
2023 | 10,500 | 20,330 |
2022 | 14,381 | 8,356 |
2021 | 5,616 | 4,476 |
2020 | 3,204 | 3,856 |
Prior | 3,911 | 1,880 |
Term Total | 52,527 | 56,685 |
Revolving Loans Amortized Cost Basis | 98,283 | 69,824 |
Grand Total | 150,810 | 126,509 |
Agricultural [Member] | Special Mention [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 38 |
2023 | 13 | 621 |
2022 |  | 112 |
2021 | 8 |  |
Term Total | 21 | 771 |
Revolving Loans Amortized Cost Basis | 30 | 330 |
Grand Total | 51 | 1,101 |
Agricultural [Member] | Substandard [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 514 |
2023 | 21 | 634 |
2022 |  | 2,009 |
2021 |  | 498 |
2020 | 29 |  |
Term Total | 50 | 3,655 |
Revolving Loans Amortized Cost Basis | 1,470 | 1,498 |
Grand Total | 1,520 | 5,153 |
Commercial Real Estate [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 128,608 | 259,096 |
2023 | 234,491 | 447,816 |
2022 | 425,696 | 245,273 |
2021 | 218,309 | 133,524 |
2020 | 111,787 | 136,851 |
Prior | 189,570 | 112,515 |
Term Total | 1,308,461 | 1,335,075 |
Grand Total | 1,308,461 | 1,335,075 |
Gross charge-offs - Prior | 15 |  |
Gross charge-offs - Term Total | 15 |  |
Gross charge-offs - Grand Total | 15 |  |
Commercial Real Estate [Member] | Pass [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 128,608 | 224,232 |
2023 | 200,192 | 438,716 |
2022 | 413,106 | 245,273 |
2021 | 218,309 | 122,656 |
2020 | 110,435 | 136,225 |
Prior | 188,239 | 99,378 |
Term Total | 1,258,889 | 1,266,480 |
Grand Total | 1,258,889 | 1,266,480 |
Commercial Real Estate [Member] | Special Mention [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 34,864 |
2023 |  | 9,100 |
2022 | 12,590 |  |
2021 |  | 10,793 |
2020 | 1,352 | 626 |
Prior | 753 | 12,342 |
Term Total | 14,695 | 67,725 |
Grand Total | 14,695 | 67,725 |
Commercial Real Estate [Member] | Substandard [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2023 | 34,299 |  |
Prior | 578 | 795 |
Term Total | 34,877 | 795 |
Grand Total | 34,877 | 795 |
Commercial Real Estate [Member] | Doubtful [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2021 |  | 75 |
Term Total |  | 75 |
Grand Total |  | 75 |
Commercial & Industrial [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 31,972 | 57,014 |
2023 | 55,066 | 52,186 |
2022 | 39,694 | 25,087 |
2021 | 15,235 | 20,399 |
2020 | 13,506 | 2,610 |
Prior | 1,738 | 1,306 |
Term Total | 157,211 | 158,602 |
Revolving Loans Amortized Cost Basis | 117,386 | 96,156 |
Revolving Loans Converted to Term | 222 |  |
Grand Total | 274,819 | 254,758 |
Gross charge-offs - fiscal year 2021 |  | 565 |
Gross charge-offs - fiscal year 2020 | 101 |  |
Gross charge-offs - Term Total | 101 | 565 |
Gross charge-offs - Revolving Loans Converted to Term | 5 |  |
Gross charge-offs - Grand Total | 106 | 565 |
Commercial & Industrial [Member] | Pass [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 31,933 | 56,224 |
2023 | 54,581 | 51,663 |
2022 | 39,665 | 24,876 |
2021 | 15,047 | 20,071 |
2020 | 13,480 | 2,142 |
Prior | 1,294 | 932 |
Term Total | 156,000 | 155,908 |
Revolving Loans Amortized Cost Basis | 113,446 | 90,018 |
Revolving Loans Converted to Term | 222 |  |
Grand Total | 269,668 | 245,926 |
Commercial & Industrial [Member] | Special Mention [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 716 |
2023 | 137 | 69 |
2022 |  | 211 |
2021 | 188 | 146 |
2020 | 26 | 437 |
Prior | 416 | 357 |
Term Total | 767 | 1,936 |
Revolving Loans Amortized Cost Basis | 459 | 6,016 |
Grand Total | 1,226 | 7,952 |
Commercial & Industrial [Member] | Substandard [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 39 | 74 |
2023 | 348 | 454 |
2022 | 29 |  |
2020 |  | 31 |
Prior | 28 | 17 |
Term Total | 444 | 576 |
Revolving Loans Amortized Cost Basis | 3,481 | 122 |
Grand Total | 3,925 | 698 |
Commercial & Industrial [Member] | Doubtful [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2021 |  | 182 |
Term Total |  | 182 |
Grand Total |  | 182 |
Other Loan [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 2,810 |
2022 |  | 16,761 |
2021 | 15,829 | 5,790 |
2020 | 5,068 | 445 |
Prior | 4,081 | 4,330 |
Term Total | 24,978 | 30,136 |
Grand Total | 24,978 | 30,136 |
Other Loan [Member] | Pass [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 |  | 2,810 |
2022 |  | 16,761 |
2021 | 15,829 | 5,790 |
2020 | 5,068 | 445 |
Prior | 4,081 | 4,330 |
Term Total | 24,978 | 30,136 |
Grand Total | 24,978 | 30,136 |
Consumer [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
Grand Total | 63,627 | 80,353 |
Consumer [Member] | Payment Performance [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 13,477 | 21,537 |
2023 | 13,521 | 40,787 |
2022 | 27,304 | 10,666 |
2021 | 5,952 | 5,012 |
2020 | 2,314 | 1,825 |
Prior | 582 | 482 |
Term Total | 63,150 | 80,309 |
Revolving Loans Amortized Cost Basis | 477 | 44 |
Grand Total | 63,627 | 80,353 |
Gross charge-offs - fiscal year 2024 | 201 | 236 |
Gross charge-offs - fiscal year 2023 | 69 | 51 |
Gross charge-offs - fiscal year 2022 | 62 | 100 |
Gross charge-offs - fiscal year 2021 | 14 | 38 |
Gross charge-offs - Term Total | 346 | 425 |
Gross charge-offs - Grand Total | 346 | 425 |
Consumer [Member] | Performing [Member] | Payment Performance [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 13,437 | 21,511 |
2023 | 13,521 | 40,729 |
2022 | 27,264 | 10,666 |
2021 | 5,917 | 5,006 |
2020 | 2,310 | 1,825 |
Prior | 582 | 480 |
Term Total | 63,031 | 80,217 |
Revolving Loans Amortized Cost Basis | 477 | 44 |
Grand Total | 63,508 | 80,261 |
Consumer [Member] | Nonperforming [Member] | Payment Performance [Member] |  |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |  |
2024 | 40 | 26 |
2023 |  | 58 |
2022 | 40 |  |
2021 | 35 | 6 |
2020 | 4 |  |
Prior |  | 2 |
Term Total | 119 | 92 |
Grand Total | $ 119 | $ 92 |

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