v3.26.1
Note 3 - Loans Receivable - Credit Quality Indicators (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Loans receivable $ 1,683,881   $ 1,683,881   $ 1,675,552
Originated current year 197,905   197,905   329,637
Originated one years before 308,571   308,571   188,658
Originated two years before 161,097   161,097   349,752
Originated three years before 299,564   299,564   334,093
Originated four years before 314,373   314,373   191,352
Originated five years before 374,914   374,914   254,986
Revolving 27,457   27,457   27,074
Gross charge-offs, current year     0    
Gross charge-offs, one year before     0    
Gross charge-offs, two years before     0    
Gross charge-offs, three years before     0    
Gross charge-offs, four years before     0    
Gross charge-offs, five years before     0    
Gross charge-offs, revolving     15    
Gross charge-offs, total 1 $ 4 15 $ 25  
Residential Portfolio Segment [Member] | One to Four Family [Member]          
Loans receivable 460,495   460,495   486,072
Originated current year 28,920   28,920   35,209
Originated one years before 26,884   26,884   30,512
Originated two years before 27,685   27,685   156,398
Originated three years before 142,655   142,655   140,975
Originated four years before 127,593   127,593   35,632
Originated five years before 105,706   105,706   86,057
Revolving 1,052   1,052   1,289
Gross charge-offs, total (0) (0) (0) (0)  
Residential Portfolio Segment [Member] | Multifamily [Member]          
Loans receivable 781,860   781,860   758,409
Originated current year 104,265   104,265   199,544
Originated one years before 195,909   195,909   62,973
Originated two years before 38,118   38,118   111,363
Originated three years before 104,468   104,468   149,108
Originated four years before 145,135   145,135   102,220
Originated five years before 192,668   192,668   132,675
Revolving 1,297   1,297   526
Gross charge-offs, total (0) (0) (0) (0)  
Residential Portfolio Segment [Member] | Home Equity Loan [Member]          
Loans receivable 12,939   12,939   13,213
Originated current year 35   35   564
Originated one years before 550   550   352
Originated two years before 265   265   368
Originated three years before 353   353   1,533
Originated four years before 1,488   1,488   81
Originated five years before 195   195   151
Revolving 10,053   10,053   10,164
Gross charge-offs, total (0) (0) (0) (0)  
Construction and Land Portfolio Segment [Member]          
Loans receivable 67,944   67,944   56,340
Originated current year 138   138   14,937
Originated one years before 27,254   27,254   37,521
Originated two years before 40,400   40,400   3,728
Originated three years before 0   0   139
Originated four years before 138   138   0
Originated five years before 14   14   15
Revolving 0   0   0
Gross charge-offs, total (0) (0) (0) (0)  
Commercial Real Estate Portfolio Segment [Member]          
Loans receivable 324,373   324,373   327,346
Originated current year 63,267   63,267   75,411
Originated one years before 54,467   54,467   56,767
Originated two years before 54,396   54,396   61,488
Originated three years before 35,974   35,974   41,542
Originated four years before 39,405   39,405   53,097
Originated five years before 74,935   74,935   34,788
Revolving 1,929   1,929   4,253
Gross charge-offs, total (0) (0) (0) (0)  
Consumer Portfolio Segment [Member]          
Loans receivable 680   680   801
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 680   680   801
Gross charge-offs, total 1 4 15 25  
Commercial Portfolio Segment [Member]          
Loans receivable 35,590   35,590   33,371
Originated current year 1,280   1,280   3,972
Originated one years before 3,507   3,507   533
Originated two years before 233   233   16,407
Originated three years before 16,114   16,114   796
Originated four years before 614   614   322
Originated five years before 1,396   1,396   1,300
Revolving 12,446   12,446   10,041
Gross charge-offs, total (0) $ (0) (0) $ (0)  
Substandard [Member]          
Loans receivable 17,570   17,570   17,334
Substandard [Member] | Residential Portfolio Segment [Member] | One to Four Family [Member]          
Loans receivable 6,179   6,179   5,861
Originated current year 2,229   2,229   2,373
Originated one years before 1,335   1,335   523
Originated two years before 0   0   1,036
Originated three years before 583   583   540
Originated four years before 443   443   0
Originated five years before 1,589   1,589   1,389
Revolving 0   0   0
Substandard [Member] | Residential Portfolio Segment [Member] | Multifamily [Member]          
Loans receivable 239   239   177
Originated current year 239   239   0
Originated one years before 0   0   0
Originated two years before 0   0   177
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Substandard [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]          
Loans receivable 0   0   14
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   14
Originated five years before 0   0   0
Revolving 0   0   0
Substandard [Member] | Construction and Land Portfolio Segment [Member]          
Loans receivable 0   0   0
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Substandard [Member] | Commercial Real Estate Portfolio Segment [Member]          
Loans receivable 11,152   11,152   11,282
Originated current year 11,034   11,034   11,282
Originated one years before 118   118   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Substandard [Member] | Consumer Portfolio Segment [Member]          
Loans receivable 0   0   0
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Substandard [Member] | Commercial Portfolio Segment [Member]          
Loans receivable 0   0   0
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Pass [Member]          
Loans receivable 1,658,355   1,658,355   1,646,457
Pass [Member] | Residential Portfolio Segment [Member] | One to Four Family [Member]          
Loans receivable 448,392   448,392   470,380
Originated current year 21,934   21,934   26,575
Originated one years before 25,549   25,549   29,945
Originated two years before 27,643   27,643   154,904
Originated three years before 142,072   142,072   138,715
Originated four years before 126,698   126,698   35,632
Originated five years before 103,444   103,444   83,320
Revolving 1,052   1,052   1,289
Pass [Member] | Residential Portfolio Segment [Member] | Multifamily [Member]          
Loans receivable 781,621   781,621   758,232
Originated current year 104,026   104,026   199,544
Originated one years before 195,909   195,909   62,973
Originated two years before 38,118   38,118   111,186
Originated three years before 104,468   104,468   149,108
Originated four years before 145,135   145,135   102,220
Originated five years before 192,668   192,668   132,675
Revolving 1,297   1,297   526
Pass [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]          
Loans receivable 12,939   12,939   13,130
Originated current year 35   35   564
Originated one years before 550   550   352
Originated two years before 265   265   368
Originated three years before 353   353   1,533
Originated four years before 1,488   1,488   67
Originated five years before 195   195   151
Revolving 10,053   10,053   10,095
Pass [Member] | Construction and Land Portfolio Segment [Member]          
Loans receivable 67,944   67,944   56,340
Originated current year 138   138   14,937
Originated one years before 27,254   27,254   37,521
Originated two years before 40,400   40,400   3,728
Originated three years before 0   0   139
Originated four years before 138   138   0
Originated five years before 14   14   15
Revolving 0   0   0
Pass [Member] | Commercial Real Estate Portfolio Segment [Member]          
Loans receivable 312,416   312,416   315,640
Originated current year 52,233   52,233   63,935
Originated one years before 53,771   53,771   56,767
Originated two years before 54,396   54,396   61,258
Originated three years before 35,747   35,747   41,542
Originated four years before 39,405   39,405   53,097
Originated five years before 74,935   74,935   34,788
Revolving 1,929   1,929   4,253
Pass [Member] | Consumer Portfolio Segment [Member]          
Loans receivable 680   680   801
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 680   680   801
Pass [Member] | Commercial Portfolio Segment [Member]          
Loans receivable 34,363   34,363   31,934
Originated current year 1,280   1,280   3,972
Originated one years before 3,507   3,507   533
Originated two years before 233   233   16,407
Originated three years before 16,114   16,114   785
Originated four years before 612   612   322
Originated five years before 1,396   1,396   1,300
Revolving 11,221   11,221   8,615
Watch [Member]          
Loans receivable 7,956   7,956   11,761
Watch [Member] | Residential Portfolio Segment [Member] | One to Four Family [Member]          
Loans receivable 5,924   5,924   9,831
Originated current year 4,757   4,757   6,261
Originated one years before 0   0   44
Originated two years before 42   42   458
Originated three years before 0   0   1,720
Originated four years before 452   452   0
Originated five years before 673   673   1,348
Revolving 0   0   0
Watch [Member] | Residential Portfolio Segment [Member] | Multifamily [Member]          
Loans receivable 0   0   0
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Watch [Member] | Residential Portfolio Segment [Member] | Home Equity Loan [Member]          
Loans receivable 0   0   69
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   69
Watch [Member] | Construction and Land Portfolio Segment [Member]          
Loans receivable 0   0   0
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Watch [Member] | Commercial Real Estate Portfolio Segment [Member]          
Loans receivable 805   805   424
Originated current year 0   0   194
Originated one years before 578   578   0
Originated two years before 0   0   230
Originated three years before 227   227   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Watch [Member] | Consumer Portfolio Segment [Member]          
Loans receivable 0   0   0
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   0
Originated four years before 0   0   0
Originated five years before 0   0   0
Revolving 0   0   0
Watch [Member] | Commercial Portfolio Segment [Member]          
Loans receivable 1,227   1,227   1,437
Originated current year 0   0   0
Originated one years before 0   0   0
Originated two years before 0   0   0
Originated three years before 0   0   11
Originated four years before 2   2   0
Originated five years before 0   0   0
Revolving $ 1,225   $ 1,225   $ 1,426