v3.25.4
Loans - Summary of Bank's Risk Related Loans by Year of Origination and Gross Write-offs (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Jun. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Current-period gross write-offs , Total $ 310   $ 580 $ 1,365  
Residential real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 50,769   50,769   $ 42,577
Term loan by origination fiscal year before current fiscal year 36,589   36,589   40,068
Term loan by origination two years before current fiscal year 41,853   41,853   45,204
Term loan by origination three years before current fiscal year 44,127   44,127   50,964
Term loan by origination four years before current fiscal year 69,309   69,309   80,363
Prior 125,852   125,852   98,572
Total 368,499   368,499   357,748
Residential real estate | Performing          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 50,769   50,769   42,577
Term loan by origination fiscal year before current fiscal year 36,589   36,589   40,068
Term loan by origination two years before current fiscal year 41,853   41,853   45,204
Term loan by origination three years before current fiscal year 44,127   44,127   50,964
Term loan by origination four years before current fiscal year 69,309   69,309   80,363
Prior 125,184   125,184   97,661
Total 367,831   367,831   356,837
Residential real estate | 7 (Watch)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Prior 560   560   571
Total 560   560   571
Residential real estate | 8 (Substandard)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Prior 108   108   340
Total 108   108   340
Commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 22,072   22,072   16,761
Term loan by origination fiscal year before current fiscal year 5,826   5,826   7,748
Term loan by origination two years before current fiscal year 16,774   16,774   26,080
Term loan by origination three years before current fiscal year 25,230   25,230   16,091
Term loan by origination four years before current fiscal year 4,170   4,170   696
Prior 31,616   31,616   34,894
Total 105,688   105,688   102,270
Current-period gross write-offs , Prior         85
Current-period gross write-offs , Total   $ 0   85 85
Commercial real estate | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 22,072   22,072   16,761
Term loan by origination fiscal year before current fiscal year 5,826   5,826   7,748
Term loan by origination two years before current fiscal year 16,774   16,774   26,080
Term loan by origination three years before current fiscal year 25,230   25,230   16,091
Term loan by origination four years before current fiscal year 4,170   4,170   696
Prior 30,376   30,376   33,046
Total 104,448   104,448   100,422
Commercial real estate | 7 (Watch)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Prior         606
Total         606
Commercial real estate | 8 (Substandard)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Prior 74   74   76
Total 74   74   76
Commercial real estate | 9 (Doubtful)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Prior 1,166   1,166   1,166
Total 1,166   1,166   1,166
Multi - family          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 48,547   48,547   31,823
Term loan by origination fiscal year before current fiscal year 10,006   10,006   6,960
Term loan by origination two years before current fiscal year 34,200   34,200   59,122
Term loan by origination three years before current fiscal year 49,795   49,795   29,416
Term loan by origination four years before current fiscal year 13,924   13,924   21,366
Prior 34,609   34,609   18,004
Total 191,081   191,081   166,691
Multi - family | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 48,547   48,547   31,823
Term loan by origination fiscal year before current fiscal year 10,006   10,006   6,960
Term loan by origination two years before current fiscal year 34,200   34,200   59,122
Term loan by origination three years before current fiscal year 49,795   49,795   29,416
Term loan by origination four years before current fiscal year 13,924   13,924   21,366
Prior 34,609   34,609   18,004
Total 191,081   191,081   166,691
Construction          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 30,579   30,579   23,129
Term loan by origination fiscal year before current fiscal year 29,685   29,685   34,068
Term loan by origination two years before current fiscal year 19,704   19,704   38,597
Term loan by origination three years before current fiscal year 24,770   24,770    
Prior 98   98   147
Total 104,836   104,836   95,941
Current-period gross write-offs , two years before current year     310    
Current-period gross write-offs , Total 310   310    
Construction | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 30,579   30,579   23,129
Term loan by origination fiscal year before current fiscal year 29,685   29,685   34,068
Term loan by origination two years before current fiscal year 17,784   17,784   35,878
Term loan by origination three years before current fiscal year 24,770   24,770    
Prior 98   98   147
Total 102,916   102,916   93,222
Construction | 7 (Watch)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination two years before current fiscal year         2,719
Total         2,719
Construction | 8 (Substandard)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination two years before current fiscal year 1,920   1,920    
Total 1,920   1,920    
Home equity loans and lines-of-credit          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 4,681   4,681   3,554
Term loan by origination fiscal year before current fiscal year 3,181   3,181   2,975
Term loan by origination two years before current fiscal year 3,167   3,167   4,325
Term loan by origination three years before current fiscal year 4,507   4,507   4,147
Term loan by origination four years before current fiscal year 3,826   3,826   3,307
Prior 9,443   9,443   8,478
Total 28,805   28,805   26,786
Home equity loans and lines-of-credit | Performing          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 4,681   4,681   3,554
Term loan by origination fiscal year before current fiscal year 3,181   3,181   2,975
Term loan by origination two years before current fiscal year 3,167   3,167   4,325
Term loan by origination three years before current fiscal year 4,507   4,507   4,147
Term loan by origination four years before current fiscal year 3,826   3,826   3,307
Prior 9,443   9,443   8,478
Total 28,805   28,805   26,786
Commercial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination fiscal year before current fiscal year         270
Term loan by origination two years before current fiscal year 679   679   1,551
Term loan by origination three years before current fiscal year 2,048   2,048   986
Term loan by origination four years before current fiscal year 74   74    
Prior 1,190   1,190   1,528
Total 3,991   3,991   4,335
Current-period gross write-offs , before current year     270   1,330
Current-period gross write-offs , Total     270 $ 1,280 1,330
Commercial | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination two years before current fiscal year 679   679   1,551
Term loan by origination three years before current fiscal year 2,048   2,048   986
Term loan by origination four years before current fiscal year 74   74    
Prior 1,190   1,190   1,528
Total 3,991   3,991   4,065
Commercial | 9 (Doubtful)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination fiscal year before current fiscal year         270
Total         270
Consumer          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 38   38   21
Term loan by origination fiscal year before current fiscal year 11   11   11
Term loan by origination two years before current fiscal year 3   3   81
Term loan by origination three years before current fiscal year 41   41   51
Term loan by origination four years before current fiscal year 27   27   44
Prior 100   100   131
Total 220   220   339
Consumer | Performing          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 38   38   21
Term loan by origination fiscal year before current fiscal year 11   11   11
Term loan by origination two years before current fiscal year 3   3   81
Term loan by origination three years before current fiscal year 41   41   51
Term loan by origination four years before current fiscal year 27   27   44
Prior 100   100   131
Total $ 220   $ 220   $ 339