v3.26.1
Note 3 - Loans Receivable - Internal Classification of the Loan Portfolio (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
Financing Receivable, Year One $ 155,796   $ 155,796   $ 237,469
Financing Receivable, Year Two 202,972   202,972   170,103
Financing Receivable, Year Three 152,510   152,510   150,031
Financing Receivable, Year Four 134,679   134,679   284,826
Financing Receivable, Year Five 257,812   257,812   169,201
Financing Receivable, prior 395,047   395,047   268,242
Financing Receivable, revolving 259,528   259,528   239,147
Loans receivable 1,558,344   1,558,344   1,519,019
Pass [Member]          
Financing Receivable, Year One 154,047   154,047   236,822
Financing Receivable, Year Two 202,310   202,310   166,249
Financing Receivable, Year Three 150,923   150,923   145,740
Financing Receivable, Year Four 128,894   128,894   281,836
Financing Receivable, Year Five 255,419   255,419   168,640
Financing Receivable, prior 384,632   384,632   260,086
Financing Receivable, revolving 254,934   254,934   234,595
Loans receivable 1,531,159   1,531,159   1,493,968
Substandard [Member]          
Financing Receivable, Year One 0   0   205
Financing Receivable, Year Two 50   50   2,393
Financing Receivable, Year Three 1,238   1,238   1,557
Financing Receivable, Year Four 2,011   2,011   1,847
Financing Receivable, Year Five 1,832   1,832   482
Financing Receivable, prior 8,321   8,321   5,525
Financing Receivable, revolving 806   806   325
Loans receivable 14,258   14,258   12,334
Special Mention [Member]          
Financing Receivable, Year One 1,749   1,749   442
Financing Receivable, Year Two 530   530   1,461
Financing Receivable, Year Three 349   349   2,734
Financing Receivable, Year Four 3,774   3,774   1,143
Financing Receivable, Year Five 561   561   79
Financing Receivable, prior 2,094   2,094   2,631
Financing Receivable, revolving 3,788   3,788   4,227
Loans receivable 12,845   12,845   12,717
Doubtful [Member]          
Financing Receivable, Year One 0   0    
Financing Receivable, Year Two 82   82    
Financing Receivable, Year Three 0   0    
Financing Receivable, Year Four 0   0    
Financing Receivable, Year Five 0   0    
Financing Receivable, prior 0   0    
Financing Receivable, revolving 0   0    
Loans receivable 82   82    
Residential Portfolio Segment [Member]          
Loans receivable 189,376   189,376   183,793
Current-period gross charge-offs, total (0) $ (0) (0) $ (0)  
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member]          
Financing Receivable, Year One 13,410   13,410   20,044
Financing Receivable, Year Two 16,430   16,430   15,428
Financing Receivable, Year Three 14,306   14,306   22,525
Financing Receivable, Year Four 20,430   20,430   30,570
Financing Receivable, Year Five 24,781   24,781   17,751
Financing Receivable, prior 52,648   52,648   40,864
Financing Receivable, revolving 1,743   1,743   1,333
Loans receivable 143,748   143,748   148,515
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   0
Current-period gross charge-offs, year three     0   0
Current-period gross charge-offs, year four     0   0
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     0   0
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total     0   0
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Pass [Member]          
Financing Receivable, Year One 13,410   13,410   20,044
Financing Receivable, Year Two 16,430   16,430   15,428
Financing Receivable, Year Three 14,306   14,306   22,525
Financing Receivable, Year Four 20,430   20,430   29,851
Financing Receivable, Year Five 24,069   24,069   17,751
Financing Receivable, prior 51,984   51,984   40,339
Financing Receivable, revolving 1,743   1,743   1,333
Loans receivable 142,372   142,372   147,271
Residential Portfolio Segment [Member] | One-to-Four Family Loans [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   0
Financing Receivable, Year Four 0   0   719
Financing Receivable, Year Five 712   712   0
Financing Receivable, prior 664   664   525
Financing Receivable, revolving 0   0   0
Loans receivable 1,376   1,376   1,244
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member]          
Financing Receivable, Year One 17,404   17,404   19,065
Financing Receivable, Year Two 16,612   16,612   4,324
Financing Receivable, Year Three 989   989   1,760
Financing Receivable, Year Four 0   0   10,129
Financing Receivable, Year Five 10,129   10,129   0
Financing Receivable, prior 0   0   0
Financing Receivable, revolving 494   494   0
Loans receivable 45,628   45,628   35,278
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   0
Current-period gross charge-offs, year three     0   0
Current-period gross charge-offs, year four     0   0
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     0   0
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total     0   0
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Pass [Member]          
Financing Receivable, Year One 17,404   17,404   19,065
Financing Receivable, Year Two 16,612   16,612   3,975
Financing Receivable, Year Three 640   640   1,760
Financing Receivable, Year Four 0   0   10,129
Financing Receivable, Year Five 10,129   10,129   0
Financing Receivable, prior 0   0   0
Financing Receivable, revolving 494   494   0
Loans receivable 45,279   45,279   34,929
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member] | Special Mention [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   349
Financing Receivable, Year Three 349   349   0
Financing Receivable, Year Four 0   0   0
Financing Receivable, Year Five 0   0   0
Financing Receivable, prior 0   0   0
Financing Receivable, revolving 0   0   0
Loans receivable 349   349   349
Commercial Real Estate Portfolio Segment [Member]          
Loans receivable 940,507   940,507   918,839
Current-period gross charge-offs, total (0) (0) (0) (0)  
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member]          
Financing Receivable, Year One 55,737   55,737   41,530
Financing Receivable, Year Two 47,438   47,438   51,964
Financing Receivable, Year Three 68,161   68,161   64,078
Financing Receivable, Year Four 62,234   62,234   177,909
Financing Receivable, Year Five 170,376   170,376   112,774
Financing Receivable, prior 239,059   239,059   145,571
Financing Receivable, revolving 41,376   41,376   42,144
Loans receivable 684,381   684,381   635,970
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   0
Current-period gross charge-offs, year three     0   0
Current-period gross charge-offs, year four     0   0
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     0   33
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total     0   33
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Pass [Member]          
Financing Receivable, Year One 55,737   55,737   41,530
Financing Receivable, Year Two 47,438   47,438   51,964
Financing Receivable, Year Three 68,161   68,161   63,566
Financing Receivable, Year Four 60,963   60,963   177,502
Financing Receivable, Year Five 169,996   169,996   112,350
Financing Receivable, prior 232,554   232,554   141,336
Financing Receivable, revolving 38,573   38,573   39,155
Loans receivable 673,422   673,422   627,403
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   512
Financing Receivable, Year Four 487   487   0
Financing Receivable, Year Five 0   0   424
Financing Receivable, prior 4,539   4,539   2,970
Financing Receivable, revolving 0   0   0
Loans receivable 5,026   5,026   3,906
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member] | Special Mention [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   0
Financing Receivable, Year Four 784   784   407
Financing Receivable, Year Five 380   380   0
Financing Receivable, prior 1,966   1,966   1,265
Financing Receivable, revolving 2,803   2,803   2,989
Loans receivable 5,933   5,933   4,661
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]          
Financing Receivable, Year One 5,576   5,576   44,051
Financing Receivable, Year Two 37,687   37,687   26,041
Financing Receivable, Year Three 11,524   11,524   9,483
Financing Receivable, Year Four 8,107   8,107   14,272
Financing Receivable, Year Five 12,711   12,711   7,325
Financing Receivable, prior 18,157   18,157   12,778
Financing Receivable, revolving 5,089   5,089   6,339
Loans receivable 98,851   98,851   120,289
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   0
Current-period gross charge-offs, year three     0   0
Current-period gross charge-offs, year four     0   0
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     0   0
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total     0   0
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Pass [Member]          
Financing Receivable, Year One 5,576   5,576   44,051
Financing Receivable, Year Two 37,687   37,687   26,041
Financing Receivable, Year Three 11,524   11,524   9,483
Financing Receivable, Year Four 7,352   7,352   14,272
Financing Receivable, Year Five 12,711   12,711   7,325
Financing Receivable, prior 17,249   17,249   11,853
Financing Receivable, revolving 5,089   5,089   6,339
Loans receivable 97,188   97,188   119,364
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   0
Financing Receivable, Year Four 0   0   0
Financing Receivable, Year Five 0   0   0
Financing Receivable, prior 908   908   925
Financing Receivable, revolving         0
Loans receivable 908   908   925
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]          
Financing Receivable, Year One 0   0    
Financing Receivable, Year Two 0   0    
Financing Receivable, Year Three 0   0    
Financing Receivable, Year Four 755   755    
Financing Receivable, Year Five 0   0    
Financing Receivable, prior 0   0    
Financing Receivable, revolving 0   0    
Loans receivable 755   755    
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member]          
Financing Receivable, Year One 9,377   9,377   30,610
Financing Receivable, Year Two 27,434   27,434   20,181
Financing Receivable, Year Three 19,151   19,151   17,101
Financing Receivable, Year Four 15,219   15,219   27,797
Financing Receivable, Year Five 26,368   26,368   17,642
Financing Receivable, prior 57,865   57,865   47,232
Financing Receivable, revolving 1,861   1,861   2,017
Loans receivable 157,275   157,275   162,580
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   0
Current-period gross charge-offs, year three     0   0
Current-period gross charge-offs, year four     0   0
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     0   0
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total     0   0
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Pass [Member]          
Financing Receivable, Year One 8,821   8,821   30,610
Financing Receivable, Year Two 27,434   27,434   19,993
Financing Receivable, Year Three 18,914   18,914   16,219
Financing Receivable, Year Four 14,120   14,120   26,109
Financing Receivable, Year Five 25,211   25,211   17,580
Financing Receivable, prior 56,659   56,659   45,784
Financing Receivable, revolving 1,805   1,805   1,961
Loans receivable 152,964   152,964   158,256
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   188
Financing Receivable, Year Three 237   237   55
Financing Receivable, Year Four 0   0   1,118
Financing Receivable, Year Five 1,118   1,118   0
Financing Receivable, prior 1,140   1,140   729
Financing Receivable, revolving 56   56   56
Loans receivable 2,551   2,551   2,146
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Special Mention [Member]          
Financing Receivable, Year One 556   556   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   827
Financing Receivable, Year Four 1,099   1,099   570
Financing Receivable, Year Five 39   39   62
Financing Receivable, prior 66   66   719
Financing Receivable, revolving 0   0   0
Loans receivable 1,760   1,760   2,178
Home Equity Portfolio Segment [Member]          
Financing Receivable, Year One 4,876   4,876   2,162
Financing Receivable, Year Two 1,855   1,855   1,218
Financing Receivable, Year Three 1,167   1,167   1,051
Financing Receivable, Year Four 870   870   2,804
Financing Receivable, Year Five 605   605   321
Financing Receivable, prior 1,984   1,984   2,259
Financing Receivable, revolving 97,272   97,272   98,258
Loans receivable 108,629   108,629   108,073
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   1
Current-period gross charge-offs, year three     0   0
Current-period gross charge-offs, year four     0   0
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     0   26
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total (0) 27 (0) 27 27
Home Equity Portfolio Segment [Member] | Pass [Member]          
Financing Receivable, Year One 4,876   4,876   2,162
Financing Receivable, Year Two 1,855   1,855   1,218
Financing Receivable, Year Three 1,167   1,167   1,018
Financing Receivable, Year Four 870   870   2,804
Financing Receivable, Year Five 605   605   281
Financing Receivable, prior 1,908   1,908   2,227
Financing Receivable, revolving 96,527   96,527   97,660
Loans receivable 107,808   107,808   107,370
Home Equity Portfolio Segment [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   33
Financing Receivable, Year Four 0   0   0
Financing Receivable, Year Five 0   0   40
Financing Receivable, prior 58   58   11
Financing Receivable, revolving 519   519   250
Loans receivable 577   577   334
Home Equity Portfolio Segment [Member] | Special Mention [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   0
Financing Receivable, Year Four 0   0   0
Financing Receivable, Year Five 0   0   0
Financing Receivable, prior 18   18   21
Financing Receivable, revolving 226   226   348
Loans receivable 244   244   369
Consumer Portfolio Segment [Member]          
Financing Receivable, Year One 4,272   4,272   9,182
Financing Receivable, Year Two 6,083   6,083   5,595
Financing Receivable, Year Three 4,079   4,079   3,997
Financing Receivable, Year Four 2,713   2,713   2,322
Financing Receivable, Year Five 1,603   1,603   654
Financing Receivable, prior 905   905   686
Financing Receivable, revolving 1,804   1,804   1,988
Loans receivable 21,459   21,459   24,424
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     65   17
Current-period gross charge-offs, year three     52   47
Current-period gross charge-offs, year four     13   14
Current-period gross charge-offs, year five     7   0
Current-period gross charge-offs, prior     0   83
Current-period gross charge-offs, revolving     1   14
Current-period gross charge-offs, total 98 24 138 30 175
Consumer Portfolio Segment [Member] | Pass [Member]          
Financing Receivable, Year One 4,272   4,272   9,069
Financing Receivable, Year Two 6,033   6,033   5,536
Financing Receivable, Year Three 4,079   4,079   3,899
Financing Receivable, Year Four 2,639   2,639   2,312
Financing Receivable, Year Five 1,601   1,601   654
Financing Receivable, prior 905   905   670
Financing Receivable, revolving 1,786   1,786   1,973
Loans receivable 21,315   21,315   24,113
Consumer Portfolio Segment [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   113
Financing Receivable, Year Two 50   50   59
Financing Receivable, Year Three 0   0   92
Financing Receivable, Year Four 74   74   10
Financing Receivable, Year Five 2   2   0
Financing Receivable, prior 0   0   16
Financing Receivable, revolving 0   0   15
Loans receivable 126   126   305
Consumer Portfolio Segment [Member] | Special Mention [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   6
Financing Receivable, Year Four 0   0   0
Financing Receivable, Year Five 0   0   0
Financing Receivable, prior 0   0   0
Financing Receivable, revolving 18   18   0
Loans receivable 18   18   6
Commercial Portfolio Segment [Member]          
Loans receivable 298,373   298,373   283,890
Current-period gross charge-offs, total 103 $ (0) 117 $ (0)  
Commercial Portfolio Segment [Member] | Commercial Loans [Member]          
Financing Receivable, Year One 23,889   23,889   27,494
Financing Receivable, Year Two 26,536   26,536   27,975
Financing Receivable, Year Three 24,371   24,371   19,820
Financing Receivable, Year Four 17,991   17,991   13,811
Financing Receivable, Year Five 7,969   7,969   10,302
Financing Receivable, prior 21,166   21,166   15,518
Financing Receivable, revolving 39,535   39,535   34,511
Loans receivable 161,457   161,457   149,431
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   0
Current-period gross charge-offs, year three     63   0
Current-period gross charge-offs, year four     40   6
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     14   0
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total     117   6
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Pass [Member]          
Financing Receivable, Year One 23,750   23,750   27,402
Financing Receivable, Year Two 26,454   26,454   26,864
Financing Receivable, Year Three 23,370   23,370   19,468
Financing Receivable, Year Four 17,706   17,706   13,647
Financing Receivable, Year Five 7,827   7,827   10,284
Financing Receivable, prior 21,012   21,012   15,376
Financing Receivable, revolving 39,339   39,339   34,160
Loans receivable 159,458   159,458   147,201
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   92
Financing Receivable, Year Two 0   0   1,111
Financing Receivable, Year Three 1,001   1,001   41
Financing Receivable, Year Four 0   0   0
Financing Receivable, Year Five 0   0   18
Financing Receivable, prior 110   110   142
Financing Receivable, revolving 4   4   4
Loans receivable 1,115   1,115   1,408
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Special Mention [Member]          
Financing Receivable, Year One 139   139   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   311
Financing Receivable, Year Four 285   285   164
Financing Receivable, Year Five 142   142   0
Financing Receivable, prior 44   44   0
Financing Receivable, revolving 192   192   347
Loans receivable 802   802   822
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Doubtful [Member]          
Financing Receivable, Year One 0   0    
Financing Receivable, Year Two 82   82    
Financing Receivable, Year Three 0   0    
Financing Receivable, Year Four 0   0    
Financing Receivable, Year Five 0   0    
Financing Receivable, prior 0   0    
Financing Receivable, revolving 0   0    
Loans receivable 82   82    
Commercial Portfolio Segment [Member] | Agricultural Loan [Member]          
Financing Receivable, Year One 21,255   21,255   43,331
Financing Receivable, Year Two 22,897   22,897   17,377
Financing Receivable, Year Three 8,762   8,762   10,216
Financing Receivable, Year Four 7,115   7,115   5,212
Financing Receivable, Year Five 3,270   3,270   2,432
Financing Receivable, prior 3,263   3,263   3,334
Financing Receivable, revolving 70,354   70,354   52,557
Loans receivable 136,916   136,916   134,459
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     0   0
Current-period gross charge-offs, year three     0   0
Current-period gross charge-offs, year four     0   0
Current-period gross charge-offs, year five     0   0
Current-period gross charge-offs, prior     0   0
Current-period gross charge-offs, revolving     0   0
Current-period gross charge-offs, total     0   0
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Pass [Member]          
Financing Receivable, Year One 20,201   20,201   42,889
Financing Receivable, Year Two 22,367   22,367   15,230
Financing Receivable, Year Three 8,762   8,762   7,802
Financing Receivable, Year Four 4,814   4,814   5,210
Financing Receivable, Year Five 3,270   3,270   2,415
Financing Receivable, prior 2,361   2,361   2,501
Financing Receivable, revolving 69,578   69,578   52,014
Loans receivable 131,353   131,353   128,061
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 0   0   1,035
Financing Receivable, Year Three 0   0   824
Financing Receivable, Year Four 1,450   1,450   0
Financing Receivable, Year Five 0   0   0
Financing Receivable, prior 902   902   207
Financing Receivable, revolving 227   227   0
Loans receivable 2,579   2,579   2,066
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Special Mention [Member]          
Financing Receivable, Year One 1,054   1,054   442
Financing Receivable, Year Two 530   530   1,112
Financing Receivable, Year Three 0   0   1,590
Financing Receivable, Year Four 851   851   2
Financing Receivable, Year Five 0   0   17
Financing Receivable, prior 0   0   626
Financing Receivable, revolving 549   549   543
Loans receivable $ 2,984   $ 2,984   $ 4,332