v3.26.1
Note 3 - Loans - Analysis of the Credit Risk Profile of Each Loan Class (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Loans $ 1,464,406 $ 1,449,950 $ 1,449,745
Current period gross write-offs, total 709 2,490 4,805
Real Estate 1 [Member] | Construction and Land Development [Member]      
Loans, current year 5,841   7,661
Loans, one year before 7,250   674
Loans, two years before 668   3,505
Loans, three years before 3,470   1,999
Loans, four years before 1,793   3,578
Loans, prior 7,427   4,124
Loans, revolving 71,038   66,883
Loans 97,487 81,596 88,424
Current period gross write-offs, current year 0   0
Current period gross write-offs. one year before 0   0
Current period gross write-offs, two years before 0   0
Current period gross write-offs, three years before 0   0
Current period gross write-offs, four years before 0   0
Current period gross write-offs, prior 0   22
Current period gross write-offs, revolving 0   0
Current period gross write-offs, total 0 22 22
Real Estate 1 [Member] | Construction and Land Development [Member] | Pass [Member]      
Loans, current year 5,841   7,661
Loans, one year before 7,250   674
Loans, two years before 668   3,505
Loans, three years before 3,470   1,999
Loans, four years before 1,793   3,578
Loans, prior 7,383   4,079
Loans, revolving 71,038   66,883
Loans 97,443   88,379
Real Estate 1 [Member] | Construction and Land Development [Member] | Special Mention [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans 0   0
Real Estate 1 [Member] | Construction and Land Development [Member] | Substandard [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 44   45
Loans, revolving 0   0
Loans 44   45
Real Estate 1 [Member] | Construction and Land Development [Member] | Doubtful [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans 0   0
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member]      
Loans, current year 11,672   37,248
Loans, one year before 29,662   29,663
Loans, two years before 27,479   61,212
Loans, three years before 60,260   100,534
Loans, four years before 97,554   91,387
Loans, prior 220,576   136,662
Loans, revolving 73,618   70,577
Loans 520,821 549,502 527,283
Current period gross write-offs, current year 0   0
Current period gross write-offs. one year before 0   0
Current period gross write-offs, two years before 0   0
Current period gross write-offs, three years before 0   0
Current period gross write-offs, four years before 0   0
Current period gross write-offs, prior 29   59
Current period gross write-offs, revolving 0   0
Current period gross write-offs, total 29 3 59
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Pass [Member]      
Loans, current year 11,672   37,248
Loans, one year before 29,662   29,544
Loans, two years before 27,479   61,183
Loans, three years before 60,134   100,324
Loans, four years before 97,233   91,044
Loans, prior 219,135   135,178
Loans, revolving 73,618   70,577
Loans 518,933   525,098
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Special Mention [Member]      
Loans, current year 0   0
Loans, one year before 0   119
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans 0   119
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Substandard [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   29
Loans, three years before 126   210
Loans, four years before 321   343
Loans, prior 1,441   1,484
Loans, revolving 0   0
Loans 1,888   2,066
Real Estate 1 [Member] | Secured by Multi-family Residential Properties [Member] | Doubtful [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans 0   0
Real Estate 1 [Member] | Other Real Estate Loans [Member]      
Loans, current year 30,898   67,088
Loans, one year before 73,277   59,665
Loans, two years before 58,230   95,653
Loans, three years before 93,657   130,268
Loans, four years before 126,570   105,813
Loans, prior 296,734   206,164
Loans, revolving 33,201   32,327
Loans 712,567 665,682 696,978
Current period gross write-offs, current year 0   0
Current period gross write-offs. one year before 0   0
Current period gross write-offs, two years before 0   0
Current period gross write-offs, three years before 0   0
Current period gross write-offs, four years before 0   0
Current period gross write-offs, prior 0   7
Current period gross write-offs, revolving 0   0
Current period gross write-offs, total 0 (0) 7
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Pass [Member]      
Loans, current year 30,898   67,088
Loans, one year before 73,277   59,352
Loans, two years before 57,919   95,653
Loans, three years before 93,657   130,268
Loans, four years before 126,570   105,813
Loans, prior 294,728   201,768
Loans, revolving 33,201   32,327
Loans 710,250   692,269
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Special Mention [Member]      
Loans, current year 0   0
Loans, one year before 0   313
Loans, two years before 311   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 2,006   4,146
Loans, revolving 0   0
Loans 2,317   4,459
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Substandard [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   250
Loans, revolving 0   0
Loans 0   250
Real Estate 1 [Member] | Other Real Estate Loans [Member] | Doubtful [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans 0   0
Commercial and Industrial Loans [Member]      
Loans, current year 5,341   11,592
Loans, one year before 10,351   16,931
Loans, two years before 15,342   14,388
Loans, three years before 13,960   16,507
Loans, four years before 14,394   13,440
Loans, prior 22,105   11,617
Loans, revolving 33,709   33,469
Loans 115,202 132,396 117,944
Current period gross write-offs, current year 0   0
Current period gross write-offs. one year before 0   671
Current period gross write-offs, two years before 0   701
Current period gross write-offs, three years before 262   1,930
Current period gross write-offs, four years before 192   481
Current period gross write-offs, prior 126   438
Current period gross write-offs, revolving 0   0
Current period gross write-offs, total 580 2,343 4,221
Commercial and Industrial Loans [Member] | Pass [Member]      
Loans, current year 5,341   11,592
Loans, one year before 10,351   16,531
Loans, two years before 14,950   13,637
Loans, three years before 13,488   14,373
Loans, four years before 13,381   13,054
Loans, prior 21,300   11,088
Loans, revolving 33,709   33,469
Loans 112,520   113,744
Commercial and Industrial Loans [Member] | Special Mention [Member]      
Loans, current year 0   0
Loans, one year before 0   400
Loans, two years before 392   0
Loans, three years before 0   1,072
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans 392   1,472
Commercial and Industrial Loans [Member] | Substandard [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   751
Loans, three years before 472   1,062
Loans, four years before 1,013   386
Loans, prior 276   0
Loans, revolving 0   0
Loans 1,761   2,199
Commercial and Industrial Loans [Member] | Doubtful [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 529   529
Loans, revolving 0   0
Loans 529   529
Consumer and Other Loans [Member]      
Loans, current year 1,483   4,974
Loans, one year before 3,925   2,155
Loans, two years before 1,770   2,405
Loans, three years before 2,173   4,252
Loans, four years before 4,049   91
Loans, prior 2,445   2,671
Loans, revolving 2,484   2,568
Loans 18,329 20,774 19,116
Current period gross write-offs, current year 87   469
Current period gross write-offs. one year before 0   10
Current period gross write-offs, two years before 0   12
Current period gross write-offs, three years before 13   0
Current period gross write-offs, four years before 0   0
Current period gross write-offs, prior 0   5
Current period gross write-offs, revolving 0   0
Current period gross write-offs, total 100 $ 122 496
Consumer and Other Loans [Member] | Pass [Member]      
Loans, current year 1,483   4,974
Loans, one year before 3,925   2,155
Loans, two years before 1,770   2,405
Loans, three years before 2,173   4,252
Loans, four years before 4,049   91
Loans, prior 2,444   2,671
Loans, revolving 2,484   2,568
Loans 18,328   19,116
Consumer and Other Loans [Member] | Special Mention [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans 0   0
Consumer and Other Loans [Member] | Substandard [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 1   0
Loans, revolving 0   0
Loans 1   0
Consumer and Other Loans [Member] | Doubtful [Member]      
Loans, current year 0   0
Loans, one year before 0   0
Loans, two years before 0   0
Loans, three years before 0   0
Loans, four years before 0   0
Loans, prior 0   0
Loans, revolving 0   0
Loans $ 0   $ 0