v3.26.3
Note 3 - Loans Receivable - Internal Classification of the Loan Portfolio (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
Financing Receivable, Year One $ 340,478   $ 340,478   $ 237,469
Financing Receivable, Year Two 193,839   193,839   170,103
Financing Receivable, Year Three 143,475   143,475   150,031
Financing Receivable, Year Four 125,720   125,720   284,826
Financing Receivable, Year Five 250,939   250,939   169,201
Financing Receivable, prior 378,560   378,560   268,242
Financing Receivable, revolving 284,367   284,367   239,147
Loans receivable 1,717,378   1,717,378   1,519,019
Pass [Member]          
Financing Receivable, Year One 335,218   335,218   236,822
Financing Receivable, Year Two 190,980   190,980   166,249
Financing Receivable, Year Three 141,381   141,381   145,740
Financing Receivable, Year Four 120,793   120,793   281,836
Financing Receivable, Year Five 248,282   248,282   168,640
Financing Receivable, prior 366,254   366,254   260,086
Financing Receivable, revolving 279,682   279,682   234,595
Loans receivable 1,682,590   1,682,590   1,493,968
Special Mention [Member]          
Financing Receivable, Year One 4,785   4,785   442
Financing Receivable, Year Two 1,089   1,089   1,461
Financing Receivable, Year Three 755   755   2,734
Financing Receivable, Year Four 2,886   2,886   1,143
Financing Receivable, Year Five 503   503   79
Financing Receivable, prior 2,620   2,620   2,631
Financing Receivable, revolving 3,732   3,732   4,227
Loans receivable 16,370   16,370   12,717
Substandard [Member]          
Financing Receivable, Year One 475   475   205
Financing Receivable, Year Two 1,688   1,688   2,393
Financing Receivable, Year Three 1,339   1,339   1,557
Financing Receivable, Year Four 2,041   2,041   1,847
Financing Receivable, Year Five 2,154   2,154   482
Financing Receivable, prior 9,686   9,686   5,525
Financing Receivable, revolving 953   953   325
Loans receivable 18,336   18,336   12,334
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 199,226   199,226   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 22,729   22,729   20,044
Financing Receivable, Year Two 14,094   14,094   15,428
Financing Receivable, Year Three 12,213   12,213   22,525
Financing Receivable, Year Four 18,581   18,581   30,570
Financing Receivable, Year Five 23,442   23,442   17,751
Financing Receivable, prior 49,936   49,936   40,864
Financing Receivable, revolving 30   30   1,333
Loans receivable 141,025   141,025   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 22,729   22,729   20,044
Financing Receivable, Year Two 14,094   14,094   15,428
Financing Receivable, Year Three 12,213   12,213   22,525
Financing Receivable, Year Four 18,581   18,581   29,851
Financing Receivable, Year Five 22,407   22,407   17,751
Financing Receivable, prior 49,158   49,158   40,339
Financing Receivable, revolving 30   30   1,333
Loans receivable 139,212   139,212   147,271
Residential Portfolio Segment [Member] | One-to-Four Family 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 0   0    
Financing Receivable, Year Five 0   0    
Financing Receivable, prior 114   114    
Financing Receivable, revolving 0   0    
Loans receivable 114   114    
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 1,035   1,035   0
Financing Receivable, prior 664   664   525
Financing Receivable, revolving 0   0   0
Loans receivable 1,699   1,699   1,244
Residential Portfolio Segment [Member] | One-to-Four Family Construction [Member]          
Financing Receivable, Year One 29,966   29,966   19,065
Financing Receivable, Year Two 11,480   11,480   4,324
Financing Receivable, Year Three 349   349   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 6,277   6,277   0
Loans receivable 58,201   58,201   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 29,966   29,966   19,065
Financing Receivable, Year Two 11,480   11,480   3,975
Financing Receivable, Year Three 0   0   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 6,277   6,277   0
Loans receivable 57,852   57,852   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 1,061,474   1,061,474   918,839
Current-period gross charge-offs, total (0) 33 (0) 33  
Commercial Real Estate Portfolio Segment [Member] | Commercial Real Estate Loan [Member]          
Financing Receivable, Year One 160,642   160,642   41,530
Financing Receivable, Year Two 50,911   50,911   51,964
Financing Receivable, Year Three 65,906   65,906   64,078
Financing Receivable, Year Four 59,708   59,708   177,909
Financing Receivable, Year Five 167,664   167,664   112,774
Financing Receivable, prior 230,256   230,256   145,571
Financing Receivable, revolving 49,619   49,619   42,144
Loans receivable 784,706   784,706   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 160,642   160,642   41,530
Financing Receivable, Year Two 50,819   50,819   51,964
Financing Receivable, Year Three 65,906   65,906   63,566
Financing Receivable, Year Four 58,454   58,454   177,502
Financing Receivable, Year Five 167,292   167,292   112,350
Financing Receivable, prior 223,668   223,668   141,336
Financing Receivable, revolving 46,705   46,705   39,155
Loans receivable 773,486   773,486   627,403
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 92   92   0
Financing Receivable, Year Three 0   0   0
Financing Receivable, Year Four 780   780   407
Financing Receivable, Year Five 372   372   0
Financing Receivable, prior 2,086   2,086   1,265
Financing Receivable, revolving 2,914   2,914   2,989
Loans receivable 6,244   6,244   4,661
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 474   474   0
Financing Receivable, Year Five 0   0   424
Financing Receivable, prior 4,502   4,502   2,970
Financing Receivable, revolving 0   0   0
Loans receivable 4,976   4,976   3,906
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member]          
Financing Receivable, Year One 11,765   11,765   44,051
Financing Receivable, Year Two 38,577   38,577   26,041
Financing Receivable, Year Three 11,105   11,105   9,483
Financing Receivable, Year Four 7,760   7,760   14,272
Financing Receivable, Year Five 11,557   11,557   7,325
Financing Receivable, prior 17,732   17,732   12,778
Financing Receivable, revolving 6,062   6,062   6,339
Loans receivable 104,558   104,558   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 11,765   11,765   44,051
Financing Receivable, Year Two 37,841   37,841   26,041
Financing Receivable, Year Three 11,105   11,105   9,483
Financing Receivable, Year Four 7,014   7,014   14,272
Financing Receivable, Year Five 11,557   11,557   7,325
Financing Receivable, prior 16,835   16,835   11,853
Financing Receivable, revolving 6,062   6,062   6,339
Loans receivable 102,179   102,179   119,364
Commercial Real Estate Portfolio Segment [Member] | Construction Loans [Member] | Special Mention [Member]          
Financing Receivable, Year One 0   0    
Financing Receivable, Year Two 736   736    
Financing Receivable, Year Three 0   0    
Financing Receivable, Year Four 746   746    
Financing Receivable, Year Five 0   0    
Financing Receivable, prior 0   0    
Financing Receivable, revolving 0   0    
Loans receivable 1,482   1,482    
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 897   897   925
Financing Receivable, revolving         0
Loans receivable 897   897   925
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member]          
Financing Receivable, Year One 26,207   26,207   30,610
Financing Receivable, Year Two 27,353   27,353   20,181
Financing Receivable, Year Three 18,869   18,869   17,101
Financing Receivable, Year Four 14,696   14,696   27,797
Financing Receivable, Year Five 26,239   26,239   17,642
Financing Receivable, prior 56,953   56,953   47,232
Financing Receivable, revolving 1,893   1,893   2,017
Loans receivable 172,210   172,210   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 24,332   24,332   30,610
Financing Receivable, Year Two 26,555   26,555   19,993
Financing Receivable, Year Three 18,669   18,669   16,219
Financing Receivable, Year Four 13,614   13,614   26,109
Financing Receivable, Year Five 25,120   25,120   17,580
Financing Receivable, prior 53,880   53,880   45,784
Financing Receivable, revolving 1,275   1,275   1,961
Loans receivable 163,445   163,445   158,256
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Special Mention [Member]          
Financing Receivable, Year One 1,875   1,875   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   827
Financing Receivable, Year Four 1,082   1,082   570
Financing Receivable, Year Five 0   0   62
Financing Receivable, prior 420   420   719
Financing Receivable, revolving 0   0   0
Loans receivable 3,377   3,377   2,178
Commercial Real Estate Portfolio Segment [Member] | Farmland Loan [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   0
Financing Receivable, Year Two 798   798   188
Financing Receivable, Year Three 200   200   55
Financing Receivable, Year Four 0   0   1,118
Financing Receivable, Year Five 1,119   1,119   0
Financing Receivable, prior 2,653   2,653   729
Financing Receivable, revolving 618   618   56
Loans receivable 5,388   5,388   2,146
Home Equity Portfolio Segment [Member]          
Financing Receivable, Year One 7,346   7,346   2,162
Financing Receivable, Year Two 1,776   1,776   1,218
Financing Receivable, Year Three 1,141   1,141   1,051
Financing Receivable, Year Four 849   849   2,804
Financing Receivable, Year Five 567   567   321
Financing Receivable, prior 1,703   1,703   2,259
Financing Receivable, revolving 102,555   102,555   98,258
Loans receivable 115,937   115,937   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) (0) (0) 27 27
Home Equity Portfolio Segment [Member] | Pass [Member]          
Financing Receivable, Year One 7,346   7,346   2,162
Financing Receivable, Year Two 1,776   1,776   1,218
Financing Receivable, Year Three 1,141   1,141   1,018
Financing Receivable, Year Four 849   849   2,804
Financing Receivable, Year Five 567   567   281
Financing Receivable, prior 1,683   1,683   2,227
Financing Receivable, revolving 102,261   102,261   97,660
Loans receivable 115,623   115,623   107,370
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 0   0   21
Financing Receivable, revolving 93   93   348
Loans receivable 93   93   369
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 20   20   11
Financing Receivable, revolving 201   201   250
Loans receivable 221   221   334
Consumer Portfolio Segment [Member]          
Financing Receivable, Year One 6,074   6,074   9,182
Financing Receivable, Year Two 5,124   5,124   5,595
Financing Receivable, Year Three 3,490   3,490   3,997
Financing Receivable, Year Four 2,324   2,324   2,322
Financing Receivable, Year Five 1,326   1,326   654
Financing Receivable, prior 681   681   686
Financing Receivable, revolving 2,077   2,077   1,988
Loans receivable 21,096   21,096   24,424
Current-period gross charge-offs, year one     0   0
Current-period gross charge-offs, year two     76   17
Current-period gross charge-offs, year three     52   47
Current-period gross charge-offs, year four     34   14
Current-period gross charge-offs, year five     10   0
Current-period gross charge-offs, prior     0   83
Current-period gross charge-offs, revolving     3   14
Current-period gross charge-offs, total 37 41 175 71 175
Consumer Portfolio Segment [Member] | Pass [Member]          
Financing Receivable, Year One 6,074   6,074   9,069
Financing Receivable, Year Two 5,060   5,060   5,536
Financing Receivable, Year Three 3,484   3,484   3,899
Financing Receivable, Year Four 2,278   2,278   2,312
Financing Receivable, Year Five 1,326   1,326   654
Financing Receivable, prior 681   681   670
Financing Receivable, revolving 2,049   2,049   1,973
Loans receivable 20,952   20,952   24,113
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 19   19   0
Loans receivable 19   19   6
Consumer Portfolio Segment [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   113
Financing Receivable, Year Two 64   64   59
Financing Receivable, Year Three 6   6   92
Financing Receivable, Year Four 46   46   10
Financing Receivable, Year Five 0   0   0
Financing Receivable, prior 0   0   16
Financing Receivable, revolving 9   9   15
Loans receivable 125   125   305
Commercial Portfolio Segment [Member]          
Loans receivable 319,645   319,645   283,890
Current-period gross charge-offs, total (0) $ 6 117 $ 6  
Commercial Portfolio Segment [Member] | Commercial Loans [Member]          
Financing Receivable, Year One 46,918   46,918   27,494
Financing Receivable, Year Two 25,975   25,975   27,975
Financing Receivable, Year Three 22,042   22,042   19,820
Financing Receivable, Year Four 16,311   16,311   13,811
Financing Receivable, Year Five 7,027   7,027   10,302
Financing Receivable, prior 18,780   18,780   15,518
Financing Receivable, revolving 37,948   37,948   34,511
Loans receivable 175,001   175,001   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 46,742   46,742   27,402
Financing Receivable, Year Two 25,826   25,826   26,864
Financing Receivable, Year Three 20,909   20,909   19,468
Financing Receivable, Year Four 15,760   15,760   13,647
Financing Receivable, Year Five 6,896   6,896   10,284
Financing Receivable, prior 18,674   18,674   15,376
Financing Receivable, revolving 37,610   37,610   34,160
Loans receivable 172,417   172,417   147,201
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Special Mention [Member]          
Financing Receivable, Year One 176   176   0
Financing Receivable, Year Two 0   0   0
Financing Receivable, Year Three 0   0   311
Financing Receivable, Year Four 278   278   164
Financing Receivable, Year Five 131   131   0
Financing Receivable, prior 0   0   0
Financing Receivable, revolving 213   213   347
Loans receivable 798   798   822
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Substandard [Member]          
Financing Receivable, Year One 0   0   92
Financing Receivable, Year Two 67   67   1,111
Financing Receivable, Year Three 1,133   1,133   41
Financing Receivable, Year Four 273   273   0
Financing Receivable, Year Five 0   0   18
Financing Receivable, prior 106   106   142
Financing Receivable, revolving 125   125   4
Loans receivable 1,704   1,704   1,408
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 28,831   28,831   43,331
Financing Receivable, Year Two 18,549   18,549   17,377
Financing Receivable, Year Three 8,360   8,360   10,216
Financing Receivable, Year Four 5,491   5,491   5,212
Financing Receivable, Year Five 2,988   2,988   2,432
Financing Receivable, prior 2,519   2,519   3,334
Financing Receivable, revolving 77,906   77,906   52,557
Loans receivable 144,644   144,644   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 25,622   25,622   42,889
Financing Receivable, Year Two 17,529   17,529   15,230
Financing Receivable, Year Three 7,954   7,954   7,802
Financing Receivable, Year Four 4,243   4,243   5,210
Financing Receivable, Year Five 2,988   2,988   2,415
Financing Receivable, prior 1,675   1,675   2,501
Financing Receivable, revolving 77,413   77,413   52,014
Loans receivable 137,424   137,424   128,061
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Special Mention [Member]          
Financing Receivable, Year One 2,734   2,734   442
Financing Receivable, Year Two 261   261   1,112
Financing Receivable, Year Three 406   406   1,590
Financing Receivable, Year Four 0   0   2
Financing Receivable, Year Five 0   0   17
Financing Receivable, prior 0   0   626
Financing Receivable, revolving 493   493   543
Loans receivable 3,894   3,894   4,332
Commercial Portfolio Segment [Member] | Agricultural Loan [Member] | Substandard [Member]          
Financing Receivable, Year One 475   475   0
Financing Receivable, Year Two 759   759   1,035
Financing Receivable, Year Three 0   0   824
Financing Receivable, Year Four 1,248   1,248   0
Financing Receivable, Year Five 0   0   0
Financing Receivable, prior 844   844   207
Financing Receivable, revolving 0   0   0
Loans receivable $ 3,326   $ 3,326   $ 2,066