v3.26.1
Note 4 - Loans, Allowance for Credit Losses and Other Real Estate Owned - Risk Category of Loans by Class (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Loans $ 668,833   $ 668,833   $ 726,482
Nonaccrual 525   525   1,474
Loans, Writeoff 855 $ 952 1,646 $ 2,678  
Financial Asset, Not Past Due [Member]          
Loans 664,603   664,603   721,102
Financial Asset, 30 to 59 Days Past Due [Member]          
Loans 2,339   2,339   2,910
Financial Asset, 60 to 89 Days Past Due [Member]          
Loans 1,083   1,083   656
Financial Asset, Equal to or Greater than 90 Days Past Due [Member]          
Loans 283   283   340
Pass [Member]          
Loans 652,613   652,613   714,020
Substandard [Member]          
Loans 15,553   15,553   10,992
Doubtful [Member]          
Loans 376   376   1,152
Unlikely to be Collected Financing Receivable [Member]          
Loans 291   291   318
Commercial Portfolio Segment [Member]          
Originated prior 20,987   20,987   20,293
Originated four years before 6,265   6,265   4,407
Originated three years before 5,493   5,493   8,072
Originated two years before 15,191   15,191   6,806
Originated one years before 28,470   28,470   16,560
Originated current year 4,947   4,947   37,067
Total Term Loans 81,353   81,353   93,205
Financing Receivable Revolving 23,453   23,453   23,804
Loans 104,806   104,806   117,009
Nonaccrual 342   342   1,095
Originated prior, writeoff 108   108   0
Originated four years before, writeoff 0   0   1,559
Originated three years before, writeoff 0   0   0
Originated two years before, writeoff 0   0   5
Originated one years before, writeoff 0   0   0
Originated current year, writeoff 0   0   0
Financing Receivable, before Allowance for Credit Loss and Revolving Loans, Writeoff 108   108   1,564
Financing Receivable Revolving, Writeoff 0   0   33
Loans, Writeoff 108 28 108 38 1,597
Commercial Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]          
Loans 103,651   103,651   115,595
Commercial Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]          
Loans 599   599   295
Commercial Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]          
Loans 214   214   24
Commercial Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]          
Loans 0   0   0
Commercial Portfolio Segment [Member] | Pass [Member]          
Originated prior 20,602   20,602   20,092
Originated four years before 6,265   6,265   4,407
Originated three years before 5,271   5,271   8,072
Originated two years before 14,937   14,937   6,806
Originated one years before 27,205   27,205   16,560
Originated current year 4,472   4,472   35,914
Total Term Loans 78,752   78,752   91,851
Financing Receivable Revolving 22,516   22,516   23,010
Loans 101,268   101,268   114,861
Commercial Portfolio Segment [Member] | Substandard [Member]          
Originated prior 385   385   201
Originated four years before 0   0   0
Originated three years before 222   222   0
Originated two years before 254   254   0
Originated one years before 923   923   0
Originated current year 475   475   446
Total Term Loans 2,259   2,259   647
Financing Receivable Revolving 937   937   406
Loans 3,196   3,196   1,053
Commercial Portfolio Segment [Member] | Doubtful [Member]          
Originated prior 0   0   0
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 342   342   0
Originated current year 0   0   707
Total Term Loans 342   342   707
Financing Receivable Revolving 0   0   388
Loans 342   342   1,095
Commercial Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]          
Originated prior 0   0   0
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 0   0   0
Financing Receivable Revolving 0   0   0
Loans 0   0   0
Commercial Real Estate Portfolio Segment [Member]          
Originated prior 231,811   231,811   214,818
Originated four years before 45,319   45,319   55,247
Originated three years before 40,484   40,484   46,224
Originated two years before 67,328   67,328   41,080
Originated one years before 55,565   55,565   68,136
Originated current year 18,691   18,691   56,725
Total Term Loans 459,198   459,198   482,230
Financing Receivable Revolving 0   0   0
Loans 459,198   459,198   482,230
Nonaccrual 183   183   379
Originated prior, writeoff 0   0   191
Originated four years before, writeoff 0   0   0
Originated three years before, writeoff 0   0   0
Originated two years before, writeoff 0   0   0
Originated one years before, writeoff 0   0   0
Originated current year, writeoff 0   0   0
Financing Receivable, before Allowance for Credit Loss and Revolving Loans, Writeoff 0   0   191
Financing Receivable Revolving, Writeoff 0   0   0
Loans, Writeoff (0) (0) (0) 191 191
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]          
Loans 458,576   458,576   481,664
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]          
Loans 0   0   187
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]          
Loans 439   439   0
Commercial Real Estate Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]          
Loans 0   0   0
Commercial Real Estate Portfolio Segment [Member] | Pass [Member]          
Originated prior 220,828   220,828   206,896
Originated four years before 45,319   45,319   55,247
Originated three years before 40,484   40,484   46,224
Originated two years before 67,328   67,328   41,080
Originated one years before 55,565   55,565   68,136
Originated current year 18,691   18,691   56,557
Total Term Loans 448,215   448,215   474,140
Financing Receivable Revolving 0   0   0
Loans 448,215   448,215   474,140
Commercial Real Estate Portfolio Segment [Member] | Substandard [Member]          
Originated prior 10,983   10,983   7,922
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   168
Total Term Loans 10,983   10,983   8,090
Financing Receivable Revolving 0   0   0
Loans 10,983   10,983   8,090
Commercial Real Estate Portfolio Segment [Member] | Doubtful [Member]          
Originated prior 0   0   0
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 0   0   0
Financing Receivable Revolving 0   0   0
Loans 0   0   0
Commercial Real Estate Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]          
Originated prior 0   0   0
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 0   0   0
Financing Receivable Revolving 0   0   0
Loans 0   0   0
Residential Portfolio Segment [Member]          
Originated prior 6,410   6,410   7,186
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 6,410   6,410   7,186
Financing Receivable Revolving 0   0   0
Loans 6,410   6,410   7,186
Nonaccrual 0   0   0
Originated prior, writeoff 0   0   0
Originated four years before, writeoff 0   0   0
Originated three years before, writeoff 0   0   0
Originated two years before, writeoff 0   0   0
Originated one years before, writeoff 0   0   0
Originated current year, writeoff 0   0   0
Financing Receivable, before Allowance for Credit Loss and Revolving Loans, Writeoff 0   0   0
Financing Receivable Revolving, Writeoff 0   0   0
Loans, Writeoff (0) (0) (0) (0) 0
Residential Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]          
Loans 6,410   6,410   7,186
Residential Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]          
Loans 0   0   0
Residential Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]          
Loans 0   0   0
Residential Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]          
Loans 0   0   0
Residential Portfolio Segment [Member] | Pass [Member]          
Originated prior 6,213   6,213   6,983
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 6,213   6,213   6,983
Financing Receivable Revolving 0   0   0
Loans 6,213   6,213   6,983
Residential Portfolio Segment [Member] | Substandard [Member]          
Originated prior 197   197   203
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 197   197   203
Financing Receivable Revolving 0   0   0
Loans 197   197   203
Residential Portfolio Segment [Member] | Doubtful [Member]          
Originated prior 0   0   0
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 0   0   0
Financing Receivable Revolving 0   0   0
Loans 0   0   0
Residential Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]          
Originated prior 0   0   0
Originated four years before 0   0   0
Originated three years before 0   0   0
Originated two years before 0   0   0
Originated one years before 0   0   0
Originated current year 0   0   0
Total Term Loans 0   0   0
Financing Receivable Revolving 0   0   0
Loans 0   0   0
Consumer Portfolio Segment [Member]          
Originated prior 15,392   15,392   6,214
Originated four years before 22,621   22,621   18,739
Originated three years before 14,055   14,055   30,929
Originated two years before 13,685   13,685   18,092
Originated one years before 11,971   11,971   17,164
Originated current year 7,708   7,708   15,035
Total Term Loans 85,432   85,432   106,173
Financing Receivable Revolving 12,987   12,987   13,884
Loans 98,419   98,419   120,057
Nonaccrual 0   0   0
Originated prior, writeoff 88   154   250
Originated four years before, writeoff 147   367   679
Originated three years before, writeoff 26   173   1,551
Originated two years before, writeoff 165   272   657
Originated one years before, writeoff 246   369   727
Originated current year, writeoff 25   25   10
Financing Receivable, before Allowance for Credit Loss and Revolving Loans, Writeoff 697   1,360   3,874
Financing Receivable Revolving, Writeoff 50   178   226
Loans, Writeoff 747 $ 924 1,538 $ 2,449 4,100
Consumer Portfolio Segment [Member] | Term Loan Originated Prior [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Term Loans Originated Four Years Prior [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Term Loans Originated Three Years Prior [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Term Loans Originated Two Years Prior [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Term Loans Originated One Year Prior [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Term Loans Originated Current Year [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Total Term Loans [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Revolving Loans Amortized Cost Basis [Member]          
Nonaccrual 0   0   0
Consumer Portfolio Segment [Member] | Financial Asset, Not Past Due [Member]          
Originated prior 14,713   14,713   6,006
Originated four years before 22,009   22,009   17,795
Originated three years before 13,815   13,815   29,917
Originated two years before 13,598   13,598   17,712
Originated one years before 11,664   11,664   16,822
Originated current year 7,292   7,292   14,780
Total Term Loans 83,091   83,091   103,032
Financing Receivable Revolving 12,875   12,875   13,625
Loans 95,966   95,966   116,657
Consumer Portfolio Segment [Member] | Financial Asset, 30 to 59 Days Past Due [Member]          
Originated prior 569   569   193
Originated four years before 522   522   804
Originated three years before 191   191   799
Originated two years before 87   87   270
Originated one years before 162   162   81
Originated current year 170   170   120
Total Term Loans 1,701   1,701   2,267
Financing Receivable Revolving 39   39   161
Loans 1,740   1,740   2,428
Consumer Portfolio Segment [Member] | Financial Asset, 60 to 89 Days Past Due [Member]          
Originated prior 76   76   14
Originated four years before 58   58   103
Originated three years before 49   49   164
Originated two years before 0   0   41
Originated one years before 83   83   190
Originated current year 91   91   44
Total Term Loans 357   357   556
Financing Receivable Revolving 73   73   76
Loans 430   430   632
Consumer Portfolio Segment [Member] | Financial Asset, Equal to or Greater than 90 Days Past Due [Member]          
Originated prior 34   34   1
Originated four years before 32   32   37
Originated three years before 0   0   49
Originated two years before 0   0   69
Originated one years before 62   62   71
Originated current year 155   155   91
Total Term Loans 283   283   318
Financing Receivable Revolving 0   0   22
Loans 283   283   340
Consumer Portfolio Segment [Member] | Pass [Member]          
Loans 96,917   96,917   118,036
Consumer Portfolio Segment [Member] | Substandard [Member]          
Loans 1,177   1,177   1,646
Consumer Portfolio Segment [Member] | Doubtful [Member]          
Loans 34   34   57
Consumer Portfolio Segment [Member] | Unlikely to be Collected Financing Receivable [Member]          
Loans $ 291   $ 291   $ 318