v3.26.3
Loans - Financing Receivable Credit Exposures by Internally Assigned Grades, by Origination Year (Details) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Loans [Abstract]          
Total Loans $ 2,387,696   $ 2,387,696   $ 2,271,271
Gross charge-offs 148 $ 20 300 $ 801  
Commercial Real Estate [Member]          
Loans [Abstract]          
2026/2025 137,223   137,223   127,490
2025/2024 122,286   122,286   64,802
2024/2023 53,772   53,772   130,807
2023/2022 108,439   108,439   360,060
2022/2021 365,733   365,733   184,411
Prior 440,834   440,834   311,217
Revolving Loans Amortized Cost Basis 45,920   45,920   37,756
Revolving Loans Converted to Term 1,843   1,843   1,971
Total Loans 1,276,050   1,276,050   1,218,514
2026/2025     0   0
2025/2024     0   0
2024/2023     0   0
2023/2022     0   0
2022/2021     0   0
Prior     0   40
Revolving Loans Amortized Cost Basis     0   0
Revolving Loans Converted to Term     0   0
Gross charge-offs     0   40
Commercial Real Estate [Member] | Pass [Member]          
Loans [Abstract]          
2026/2025 137,223   137,223   127,490
2025/2024 122,286   122,286   59,760
2024/2023 48,729   48,729   128,989
2023/2022 107,109   107,109   329,694
2022/2021 326,734   326,734   172,617
Prior 411,689   411,689   294,237
Revolving Loans Amortized Cost Basis 42,483   42,483   34,709
Revolving Loans Converted to Term 1,843   1,843   1,971
Total Loans 1,198,096   1,198,096   1,149,467
Commercial Real Estate [Member] | Special Mention [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   5,042
2024/2023 0   0   797
2023/2022 782   782   5,784
2022/2021 9,050   9,050   8,770
Prior 14,896   14,896   7,208
Revolving Loans Amortized Cost Basis 0   0   733
Revolving Loans Converted to Term 0   0   0
Total Loans 24,728   24,728   28,334
Commercial Real Estate [Member] | Substandard [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 5,043   5,043   1,021
2023/2022 548   548   24,582
2022/2021 29,949   29,949   3,024
Prior 14,249   14,249   9,772
Revolving Loans Amortized Cost Basis 3,437   3,437   2,314
Revolving Loans Converted to Term 0   0   0
Total Loans 53,226   53,226   40,713
Commercial Real Estate [Member] | Doubtful [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   0
Agricultural Real Estate Loans [Member]          
Loans [Abstract]          
2026/2025 49,108   49,108   55,630
2025/2024 61,183   61,183   31,355
2024/2023 29,720   29,720   22,086
2023/2022 20,277   20,277   50,690
2022/2021 43,586   43,586   23,135
Prior 145,528   145,528   143,420
Revolving Loans Amortized Cost Basis 20,902   20,902   20,926
Revolving Loans Converted to Term 201   201   206
Total Loans 370,505   370,505   347,448
2026/2025     0   0
2025/2024     0   0
2024/2023     0   0
2023/2022     0   0
2022/2021     0   0
Prior     0   0
Revolving Loans Amortized Cost Basis     0   0
Revolving Loans Converted to Term     0   0
Gross charge-offs     0   0
Agricultural Real Estate Loans [Member] | Pass [Member]          
Loans [Abstract]          
2026/2025 48,485   48,485   54,278
2025/2024 59,073   59,073   30,648
2024/2023 28,852   28,852   18,810
2023/2022 18,473   18,473   47,254
2022/2021 40,251   40,251   20,747
Prior 140,143   140,143   139,424
Revolving Loans Amortized Cost Basis 18,738   18,738   18,558
Revolving Loans Converted to Term 129   129   131
Total Loans 354,144   354,144   329,850
Agricultural Real Estate Loans [Member] | Special Mention [Member]          
Loans [Abstract]          
2026/2025 623   623   55
2025/2024 1,189   1,189   40
2024/2023 258   258   3,276
2023/2022 1,804   1,804   1,384
2022/2021 1,288   1,288   1,731
Prior 2,849   2,849   1,893
Revolving Loans Amortized Cost Basis 1,522   1,522   1,723
Revolving Loans Converted to Term 0   0   0
Total Loans 9,533   9,533   10,102
Agricultural Real Estate Loans [Member] | Substandard [Member]          
Loans [Abstract]          
2026/2025 0   0   1,297
2025/2024 921   921   667
2024/2023 610   610   0
2023/2022 0   0   2,052
2022/2021 2,047   2,047   657
Prior 2,536   2,536   2,103
Revolving Loans Amortized Cost Basis 642   642   645
Revolving Loans Converted to Term 72   72   75
Total Loans 6,828   6,828   7,496
Agricultural Real Estate Loans [Member] | Doubtful [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   0
Construction [Member]          
Loans [Abstract]          
2026/2025 55,635   55,635   30,394
2025/2024 24,203   24,203   15,456
2024/2023 4,309   4,309   9,279
2023/2022 4,566   4,566   30,395
2022/2021 10,459   10,459   3,226
Prior 0   0   0
Revolving Loans Amortized Cost Basis 4,326   4,326   5,215
Revolving Loans Converted to Term 0   0   0
Total Loans 103,498   103,498   93,965
2026/2025     0   0
2025/2024     0   0
2024/2023     0   0
2023/2022     0   0
2022/2021     0   0
Prior     0   0
Revolving Loans Amortized Cost Basis     0   0
Revolving Loans Converted to Term     0   0
Gross charge-offs     0   0
Construction [Member] | Pass [Member]          
Loans [Abstract]          
2026/2025 55,635   55,635   30,394
2025/2024 24,203   24,203   15,456
2024/2023 4,309   4,309   8,490
2023/2022 3,832   3,832   25,772
2022/2021 6,074   6,074   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 4,326   4,326   5,215
Revolving Loans Converted to Term 0   0   0
Total Loans 98,379   98,379   85,327
Construction [Member] | Special Mention [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   206
2022/2021 0   0   2,943
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   3,149
Construction [Member] | Substandard [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   789
2023/2022 734   734   4,417
2022/2021 4,385   4,385   283
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 5,119   5,119   5,489
Construction [Member] | Doubtful [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   0
Residential Real Estate [Member]          
Loans [Abstract]          
2026/2025 11,056   11,056   13,909
2025/2024 17,204   17,204   13,209
2024/2023 12,383   12,383   23,135
2023/2022 21,273   21,273   82,296
2022/2021 78,161   78,161   42,974
Prior 143,005   143,005   113,141
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 283,082   283,082   288,664
2026/2025     0   0
2025/2024     0   0
2024/2023     0   0
2023/2022     0   0
2022/2021     0   0
Prior     0   0
Revolving Loans Amortized Cost Basis     0   0
Revolving Loans Converted to Term     0   0
Gross charge-offs     0   0
Residential Real Estate [Member] | Performing [Member]          
Loans [Abstract]          
2026/2025 11,056   11,056   13,909
2025/2024 17,204   17,204   13,209
2024/2023 12,383   12,383   23,135
2023/2022 21,273   21,273   81,239
2022/2021 76,899   76,899   41,842
Prior 140,644   140,644   111,948
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 279,459   279,459   285,282
Residential Real Estate [Member] | Nonperforming [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   1,057
2022/2021 1,262   1,262   1,132
Prior 2,361   2,361   1,193
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 3,623   3,623   3,382
Home Equity [Member]          
Loans [Abstract]          
2026/2025 1,080   1,080   2,917
2025/2024 2,130   2,130   2,528
2024/2023 1,819   1,819   2,551
2023/2022 2,111   2,111   1,727
2022/2021 1,308   1,308   1,150
Prior 6,437   6,437   7,028
Revolving Loans Amortized Cost Basis 37,777   37,777   34,121
Revolving Loans Converted to Term 446   446   286
Total Loans 53,108   53,108   52,308
2026/2025     0   0
2025/2024     0   0
2024/2023     0   0
2023/2022     0   0
2022/2021     0   0
Prior     0   0
Revolving Loans Amortized Cost Basis     0   0
Revolving Loans Converted to Term     0   0
Gross charge-offs     0   0
Home Equity [Member] | Performing [Member]          
Loans [Abstract]          
2026/2025 1,080   1,080   2,854
2025/2024 2,074   2,074   2,528
2024/2023 1,819   1,819   2,533
2023/2022 2,111   2,111   1,727
2022/2021 1,308   1,308   1,150
Prior 6,380   6,380   6,918
Revolving Loans Amortized Cost Basis 37,777   37,777   34,100
Revolving Loans Converted to Term 446   446   286
Total Loans 52,995   52,995   52,096
Home Equity [Member] | Nonperforming [Member]          
Loans [Abstract]          
2026/2025 0   0   63
2025/2024 56   56   0
2024/2023 0   0   18
2023/2022 0   0   0
2022/2021 0   0   0
Prior 57   57   110
Revolving Loans Amortized Cost Basis 0   0   21
Revolving Loans Converted to Term 0   0   0
Total Loans 113   113   212
Consumer [Member]          
Loans [Abstract]          
2026/2025 2,122   2,122   1,934
2025/2024 1,163   1,163   1,060
2024/2023 783   783   373
2023/2022 189   189   354
2022/2021 257   257   423
Prior 2,837   2,837   3,341
Revolving Loans Amortized Cost Basis 1,242   1,242   1,374
Revolving Loans Converted to Term 4   4   0
Total Loans 8,597   8,597   8,859
2026/2025     0   0
2025/2024     0   0
2024/2023     0   11
2023/2022     3   1
2022/2021     1   0
Prior     4   285
Revolving Loans Amortized Cost Basis     25   30
Revolving Loans Converted to Term     0   0
Gross charge-offs     33   327
Consumer [Member] | Performing [Member]          
Loans [Abstract]          
2026/2025 2,122   2,122   1,934
2025/2024 1,163   1,163   1,050
2024/2023 782   782   373
2023/2022 189   189   354
2022/2021 257   257   412
Prior 2,344   2,344   2,577
Revolving Loans Amortized Cost Basis 1,242   1,242   1,374
Revolving Loans Converted to Term 4   4   0
Total Loans 8,103   8,103   8,074
Consumer [Member] | Nonperforming [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   10
2024/2023 1   1   0
2023/2022 0   0   0
2022/2021 0   0   11
Prior 493   493   764
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 494   494   785
Mortgage, Home Equity, and Consumer [Member]          
Loans [Abstract]          
2026/2025 14,258   14,258   18,760
2025/2024 20,497   20,497   16,797
2024/2023 14,985   14,985   26,059
2023/2022 23,573   23,573   84,377
2022/2021 79,726   79,726   44,547
Prior 152,279   152,279   123,510
Revolving Loans Amortized Cost Basis 39,019   39,019   35,495
Revolving Loans Converted to Term 450   450   286
Total Loans 344,787   344,787   349,831
Mortgage, Home Equity, and Consumer [Member] | Performing [Member]          
Loans [Abstract]          
2026/2025 14,258   14,258   18,697
2025/2024 20,441   20,441   16,787
2024/2023 14,984   14,984   26,041
2023/2022 23,573   23,573   83,320
2022/2021 78,464   78,464   43,404
Prior 149,368   149,368   121,443
Revolving Loans Amortized Cost Basis 39,019   39,019   35,474
Revolving Loans Converted to Term 450   450   286
Total Loans 340,557   340,557   345,452
Mortgage, Home Equity, and Consumer [Member] | Nonperforming [Member]          
Loans [Abstract]          
2026/2025 0   0   63
2025/2024 56   56   10
2024/2023 1   1   18
2023/2022 0   0   1,057
2022/2021 1,262   1,262   1,143
Prior 2,911   2,911   2,067
Revolving Loans Amortized Cost Basis 0   0   21
Revolving Loans Converted to Term 0   0   0
Total Loans 4,230   4,230   4,379
Other Commercial Loans [Member]          
Loans [Abstract]          
2026/2025 9,629   9,629   33,300
2025/2024 27,380   27,380   27,361
2024/2023 22,827   22,827   18,039
2023/2022 15,827   15,827   6,722
2022/2021 8,297   8,297   6,138
Prior 8,040   8,040   4,533
Revolving Loans Amortized Cost Basis 86,778   86,778   81,393
Revolving Loans Converted to Term 199   199   1,680
Total Loans 178,977   178,977   179,166
2026/2025     0   0
2025/2024     0   49
2024/2023     136   0
2023/2022     0   0
2022/2021     0   0
Prior     30   63
Revolving Loans Amortized Cost Basis     101   379
Revolving Loans Converted to Term     0   0
Gross charge-offs 135 10 267 454 491
Other Commercial Loans [Member] | Pass [Member]          
Loans [Abstract]          
2026/2025 9,629   9,629   33,300
2025/2024 27,380   27,380   27,244
2024/2023 22,726   22,726   18,039
2023/2022 15,827   15,827   4,938
2022/2021 4,493   4,493   6,098
Prior 7,263   7,263   3,819
Revolving Loans Amortized Cost Basis 82,385   82,385   74,628
Revolving Loans Converted to Term 199   199   232
Total Loans 169,902   169,902   168,298
Other Commercial Loans [Member] | Special Mention [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 33   33   0
Revolving Loans Amortized Cost Basis 1,745   1,745   2,442
Revolving Loans Converted to Term 0   0   0
Total Loans 1,778   1,778   2,442
Other Commercial Loans [Member] | Substandard [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   117
2024/2023 101   101   0
2023/2022 0   0   1,784
2022/2021 3,804   3,804   40
Prior 744   744   714
Revolving Loans Amortized Cost Basis 2,648   2,648   4,257
Revolving Loans Converted to Term 0   0   1,443
Total Loans 7,297   7,297   8,355
Other Commercial Loans [Member] | Doubtful [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   66
Revolving Loans Converted to Term 0   0   5
Total Loans 0   0   71
Other Agricultural Loans [Member]          
Loans [Abstract]          
2026/2025 8,623   8,623   5,677
2025/2024 4,774   4,774   4,456
2024/2023 2,701   2,701   1,749
2023/2022 1,233   1,233   846
2022/2021 622   622   1,602
Prior 542   542   288
Revolving Loans Amortized Cost Basis 12,828   12,828   15,629
Revolving Loans Converted to Term 0   0   0
Total Loans 31,323   31,323   30,247
2026/2025     0   0
2025/2024     0   0
2024/2023     0   0
2023/2022     0   0
2022/2021     0   0
Prior     0   0
Revolving Loans Amortized Cost Basis     0   0
Revolving Loans Converted to Term     0   0
Gross charge-offs 0 0 0 0 0
Other Agricultural Loans [Member] | Pass [Member]          
Loans [Abstract]          
2026/2025 8,623   8,623   5,677
2025/2024 4,761   4,761   3,520
2024/2023 2,087   2,087   1,440
2023/2022 957   957   408
2022/2021 197   197   1,602
Prior 542   542   288
Revolving Loans Amortized Cost Basis 11,954   11,954   14,761
Revolving Loans Converted to Term 0   0   0
Total Loans 29,121   29,121   27,696
Other Agricultural Loans [Member] | Special Mention [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 13   13   936
2024/2023 614   614   15
2023/2022 7   7   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 644   644   639
Revolving Loans Converted to Term 0   0   0
Total Loans 1,278   1,278   1,590
Other Agricultural Loans [Member] | Substandard [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   294
2023/2022 269   269   438
2022/2021 425   425   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 230   230   229
Revolving Loans Converted to Term 0   0   0
Total Loans 924   924   961
Other Agricultural Loans [Member] | Doubtful [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   0
State and Political Subdivision Loans [Member]          
Loans [Abstract]          
2026/2025 34,070   34,070   1,504
2025/2024 230   230   27
2024/2023 0   0   1,291
2023/2022 1,157   1,157   12,737
2022/2021 12,023   12,023   9,932
Prior 34,702   34,702   26,509
Revolving Loans Amortized Cost Basis 374   374   100
Revolving Loans Converted to Term 0   0   0
Total Loans 82,556   82,556   52,100
2026/2025     0   0
2025/2024     0   0
2024/2023     0   0
2023/2022     0   0
2022/2021     0   0
Prior     0   0
Revolving Loans Amortized Cost Basis     0   0
Revolving Loans Converted to Term     0   0
Gross charge-offs 0 $ 0 0 $ 0 0
State and Political Subdivision Loans [Member] | Pass [Member]          
Loans [Abstract]          
2026/2025 34,070   34,070   1,504
2025/2024 230   230   27
2024/2023 0   0   1,291
2023/2022 1,157   1,157   12,737
2022/2021 12,023   12,023   9,932
Prior 34,702   34,702   26,509
Revolving Loans Amortized Cost Basis 374   374   100
Revolving Loans Converted to Term 0   0   0
Total Loans 82,556   82,556   52,100
State and Political Subdivision Loans [Member] | Special Mention [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   0
State and Political Subdivision Loans [Member] | Substandard [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   0
State and Political Subdivision Loans [Member] | Doubtful [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   0
Revolving Loans Converted to Term 0   0   0
Total Loans 0   0   0
Total Loans [Member]          
Loans [Abstract]          
2026/2025 294,288   294,288   253,995
2025/2024 240,056   240,056   143,457
2024/2023 113,329   113,329   183,251
2023/2022 151,499   151,499   461,450
2022/2021 440,720   440,720   228,444
Prior 629,646   629,646   485,967
Revolving Loans Amortized Cost Basis 171,128   171,128   161,019
Revolving Loans Converted to Term 2,243   2,243   3,857
Total Loans 2,042,909   2,042,909   1,921,440
Total Loans [Member] | Pass [Member]          
Loans [Abstract]          
2026/2025 293,665   293,665   252,643
2025/2024 237,933   237,933   136,655
2024/2023 106,703   106,703   177,059
2023/2022 147,355   147,355   420,803
2022/2021 389,772   389,772   210,996
Prior 594,339   594,339   464,277
Revolving Loans Amortized Cost Basis 160,260   160,260   147,971
Revolving Loans Converted to Term 2,171   2,171   2,334
Total Loans 1,932,198   1,932,198   1,812,738
Total Loans [Member] | Special Mention [Member]          
Loans [Abstract]          
2026/2025 623   623   55
2025/2024 1,202   1,202   6,018
2024/2023 872   872   4,088
2023/2022 2,593   2,593   7,374
2022/2021 10,338   10,338   13,444
Prior 17,778   17,778   9,101
Revolving Loans Amortized Cost Basis 3,911   3,911   5,537
Revolving Loans Converted to Term 0   0   0
Total Loans 37,317   37,317   45,617
Total Loans [Member] | Substandard [Member]          
Loans [Abstract]          
2026/2025 0   0   1,297
2025/2024 921   921   784
2024/2023 5,754   5,754   2,104
2023/2022 1,551   1,551   33,273
2022/2021 40,610   40,610   4,004
Prior 17,529   17,529   12,589
Revolving Loans Amortized Cost Basis 6,957   6,957   7,445
Revolving Loans Converted to Term 72   72   1,518
Total Loans 73,394   73,394   63,014
Total Loans [Member] | Doubtful [Member]          
Loans [Abstract]          
2026/2025 0   0   0
2025/2024 0   0   0
2024/2023 0   0   0
2023/2022 0   0   0
2022/2021 0   0   0
Prior 0   0   0
Revolving Loans Amortized Cost Basis 0   0   66
Revolving Loans Converted to Term 0   0   5
Total Loans $ 0   $ 0   $ 71