Annual report [Section 13 and 15(d), not S-K Item 405]

Note 4 - Allowance for Loan Losses - Credit Risk Profile of Loan Portfolio (Details)

v3.25.1
Note 4 - Allowance for Loan Losses - Credit Risk Profile of Loan Portfolio (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Loan, current $ 24,501 $ 26,211
Loan, one year before 21,881 19,045
Loan, two years before 12,479 19,972
Loan, three years before 18,418 53,991
Loan, prior 49,028 1,564
Loan, revolving 4,600 0
Loan, revolving converted to term loans 0 120,783
Loans 130,907 120,783
Current year-to-date gross write-offs, current 0 0
Current year-to-date gross write-offs, one year before 0 0
Current year-to-date gross write-offs, two years before 0 0
Loan, three years before, writeoff 0 0
Loan, prior, write-offs 0 0
Loan, revolving, writeoff 0 0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan 0 0
Charge-offs 0 0
Pass [Member]    
Loan, current 24,501 26,211
Loan, one year before 21,881 19,045
Loan, two years before 12,479 19,972
Loan, three years before 18,418 53,791
Loan, prior 49,028 1,564
Loan, revolving 4,600 0
Loan, revolving converted to term loans 0 120,583
Loans 130,907  
Special Mention [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
Substandard [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 200
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 200
Loans 0  
First Mortgage Loans [Member]    
Loans 130,625 120,535
First Mortgage Loans [Member] | One To Four Family Residential [Member]    
Loan, current 20,577 23,395
Loan, one year before 20,986 18,950
Loan, two years before 12,421 19,605
Loan, three years before 18,074 47,717
Loan, prior 43,245 1,414
Loan, revolving 4,106 0
Loan, revolving converted to term loans 0 111,081
Loans 119,409 111,081
Current year-to-date gross write-offs, current 0 0
Current year-to-date gross write-offs, one year before 0 0
Current year-to-date gross write-offs, two years before 0 0
Loan, three years before, writeoff 0 0
Loan, prior, write-offs 0 0
Loan, revolving, writeoff 0 0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan 0 0
Charge-offs 0 0
First Mortgage Loans [Member] | One To Four Family Residential [Member] | Pass [Member]    
Loan, current 20,577 23,395
Loan, one year before 20,986 18,950
Loan, two years before 12,421 19,605
Loan, three years before 18,074 47,517
Loan, prior 43,245 1,414
Loan, revolving 4,106 0
Loan, revolving converted to term loans 0 110,881
Loans 119,409  
First Mortgage Loans [Member] | One To Four Family Residential [Member] | Special Mention [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
First Mortgage Loans [Member] | One To Four Family Residential [Member] | Substandard [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 200
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 200
Loans 0  
First Mortgage Loans [Member] | Multifamily [Member]    
Loan, current 515 0
Loan, one year before 0 0
Loan, two years before 0 239
Loan, three years before 230 2,872
Loan, prior 2,623 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 3,111
Loans 3,368 3,111
Current year-to-date gross write-offs, current 0 0
Current year-to-date gross write-offs, one year before 0 0
Current year-to-date gross write-offs, two years before 0 0
Loan, three years before, writeoff 0 0
Loan, prior, write-offs 0 0
Loan, revolving, writeoff 0 0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan 0 0
Charge-offs 0 0
First Mortgage Loans [Member] | Multifamily [Member] | Pass [Member]    
Loan, current 515 0
Loan, one year before 0 0
Loan, two years before 0 239
Loan, three years before 230 2,872
Loan, prior 2,623 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 3,111
Loans 3,368  
First Mortgage Loans [Member] | Multifamily [Member] | Special Mention [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
First Mortgage Loans [Member] | Multifamily [Member] | Substandard [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
First Mortgage Loans [Member] | Commercial Real Estate [Member]    
Loan, current 148 186
Loan, one year before 301 0
Loan, two years before 0 100
Loan, three years before 96 3,399
Loan, prior 3,158 150
Loan, revolving 494 0
Loan, revolving converted to term loans 0 3,835
Loans 4,197 3,835
Current year-to-date gross write-offs, current 0 0
Current year-to-date gross write-offs, one year before 0 0
Current year-to-date gross write-offs, two years before 0 0
Loan, three years before, writeoff 0 0
Loan, prior, write-offs 0 0
Loan, revolving, writeoff 0 0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan 0 0
Charge-offs 0 0
First Mortgage Loans [Member] | Commercial Real Estate [Member] | Pass [Member]    
Loan, current 148 186
Loan, one year before 301 0
Loan, two years before 0 100
Loan, three years before 96 3,399
Loan, prior 3,158 150
Loan, revolving 494 0
Loan, revolving converted to term loans 0 3,835
Loans 4,197  
First Mortgage Loans [Member] | Commercial Real Estate [Member] | Special Mention [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
First Mortgage Loans [Member] | Commercial Real Estate [Member] | Substandard [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
First Mortgage Loans [Member] | Construction Loans [Member]    
Loan, current 3,134 2,508
Loan, one year before 517 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 2,508
Loans 3,651 2,508
Current year-to-date gross write-offs, current 0 0
Current year-to-date gross write-offs, one year before 0 0
Current year-to-date gross write-offs, two years before 0 0
Loan, three years before, writeoff 0 0
Loan, prior, write-offs 0 0
Loan, revolving, writeoff 0 0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan 0 0
Charge-offs 0 0
First Mortgage Loans [Member] | Construction Loans [Member] | Pass [Member]    
Loan, current 3,134 2,508
Loan, one year before 517 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 2,508
Loans 3,651  
First Mortgage Loans [Member] | Construction Loans [Member] | Special Mention [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
First Mortgage Loans [Member] | Construction Loans [Member] | Substandard [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
Consumer Portfolio Segment [Member]    
Loan, current 127 122
Loan, one year before 77 95
Loan, two years before 58 28
Loan, three years before 18 3
Loan, prior 2 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 248
Loans 282 248
Current year-to-date gross write-offs, current   0
Current year-to-date gross write-offs, one year before   0
Current year-to-date gross write-offs, two years before   0
Loan, three years before, writeoff   0
Loan, prior, write-offs   0
Loan, revolving, writeoff   0
Current year-to-date gross write-offs,Revolving, Converted to Term Loan   0
Charge-offs 0 0
Consumer Portfolio Segment [Member] | Pass [Member]    
Loan, current 127 122
Loan, one year before 77 95
Loan, two years before 58 28
Loan, three years before 18 3
Loan, prior 2 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 248
Loans 282  
Consumer Portfolio Segment [Member] | Special Mention [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 0
Loans 0  
Consumer Portfolio Segment [Member] | Substandard [Member]    
Loan, current 0 0
Loan, one year before 0 0
Loan, two years before 0 0
Loan, three years before 0 0
Loan, prior 0 0
Loan, revolving 0 0
Loan, revolving converted to term loans 0 $ 0
Loans $ 0