v3.26.1
Loans - Summary of Bank's Risk Related Loans by Year of Origination and Gross Write-offs (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Mar. 31, 2026
Mar. 31, 2025
Jun. 30, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Total $ 388,984   $ 388,984    
Current-period gross write-offs , Total 12   592 $ 1,415  
Residential real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 57,305   57,305   $ 42,577
Term loan by origination fiscal year before current fiscal year 27,789   27,789   40,068
Term loan by origination two years before current fiscal year 33,874   33,874   45,204
Term loan by origination three years before current fiscal year 37,323   37,323   50,964
Term loan by origination four years before current fiscal year 67,666   67,666   80,363
Prior 165,528   165,528   98,572
Total 389,485   389,485   357,748
Residential real estate | Performing          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 57,305   57,305   42,577
Term loan by origination fiscal year before current fiscal year 27,789   27,789   40,068
Term loan by origination two years before current fiscal year 33,874   33,874   45,204
Term loan by origination three years before current fiscal year 37,323   37,323   50,964
Term loan by origination four years before current fiscal year 67,666   67,666   80,363
Prior 165,027   165,027   97,661
Total         356,837
Residential real estate | 7 (Watch)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Prior 0   0   571
Total 0   0   571
Residential real estate | 8 (Substandard)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Prior         340
Total         340
Commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 17,082   17,082   16,761
Term loan by origination fiscal year before current fiscal year 16,009   16,009   7,748
Term loan by origination two years before current fiscal year 7,318   7,318   26,080
Term loan by origination three years before current fiscal year 23,485   23,485   16,091
Term loan by origination four years before current fiscal year 14,687   14,687   696
Prior 29,934   29,934   34,894
Total 108,515   108,515   102,270
Current-period gross write-offs , Prior         85
Current-period gross write-offs , Total       85 85
Commercial real estate | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 17,082   17,082   16,761
Term loan by origination fiscal year before current fiscal year 16,009   16,009   7,748
Term loan by origination two years before current fiscal year 7,318   7,318   26,080
Term loan by origination three years before current fiscal year 23,485   23,485   16,091
Term loan by origination four years before current fiscal year 14,687   14,687   696
Prior 28,768   28,768   33,046
Total 107,349   107,349   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 501   501   76
Total 501   501   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 54,527   54,527   31,823
Term loan by origination fiscal year before current fiscal year 10,107   10,107   6,960
Term loan by origination two years before current fiscal year 15,574   15,574   59,122
Term loan by origination three years before current fiscal year 75,890   75,890   29,416
Term loan by origination four years before current fiscal year 23,469   23,469   21,366
Prior 36,773   36,773   18,004
Total 216,340   216,340   166,691
Multi - family | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 54,527   54,527   31,823
Term loan by origination fiscal year before current fiscal year 10,107   10,107   6,960
Term loan by origination two years before current fiscal year 15,574   15,574   59,122
Term loan by origination three years before current fiscal year 75,890   75,890   29,416
Term loan by origination four years before current fiscal year 23,469   23,469   21,366
Prior 36,773   36,773   18,004
Total 216,340   216,340   166,691
Construction          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 42,327   42,327   23,129
Term loan by origination fiscal year before current fiscal year 34,776   34,776   34,068
Term loan by origination two years before current fiscal year 9,457   9,457   38,597
Term loan by origination three years before current fiscal year 9,169   9,169    
Prior 74   74   147
Total 95,803   95,803   95,941
Current-period gross write-offs , two years before current year     322    
Current-period gross write-offs , Total 12   322    
Construction | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 42,327   42,327   23,129
Term loan by origination fiscal year before current fiscal year 34,776   34,776   34,068
Term loan by origination two years before current fiscal year 9,457   9,457   35,878
Term loan by origination three years before current fiscal year 9,169   9,169    
Prior 74   74   147
Total 95,803   95,803   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 0   0    
Total 0   0    
Home equity loans and lines-of-credit          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 5,825   5,825   3,554
Term loan by origination fiscal year before current fiscal year 988   988   2,975
Term loan by origination two years before current fiscal year 1,470   1,470   4,325
Term loan by origination three years before current fiscal year 4,434   4,434   4,147
Term loan by origination four years before current fiscal year 5,810   5,810   3,307
Prior 10,507   10,507   8,478
Total 29,034   29,034   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 5,825   5,825   3,554
Term loan by origination fiscal year before current fiscal year 988   988   2,975
Term loan by origination two years before current fiscal year 1,470   1,470   4,325
Term loan by origination three years before current fiscal year 4,434   4,434   4,147
Term loan by origination four years before current fiscal year 5,810   5,810   3,307
Prior 10,507   10,507   8,478
Total 29,034   29,034   26,786
Commercial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 225   225    
Term loan by origination fiscal year before current fiscal year     270
Term loan by origination two years before current fiscal year 176   176   1,551
Term loan by origination three years before current fiscal year 2,558   2,558   986
Term loan by origination four years before current fiscal year 49   49    
Prior 1,119   1,119   1,528
Total 4,127   4,127   4,335
Current-period gross write-offs , before current year     270   1,330
Current-period gross write-offs , Total   $ 50 270 $ 1,330 1,330
Commercial | 1-6 (Pass)          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 225   225    
Term loan by origination two years before current fiscal year 176   176   1,551
Term loan by origination three years before current fiscal year 2,558   2,558   986
Term loan by origination four years before current fiscal year 49   49    
Prior 1,119   1,119   1,528
Total 4,127   4,127   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 54   54   21
Term loan by origination fiscal year before current fiscal year 8   8   11
Term loan by origination two years before current fiscal year 2   2   81
Term loan by origination three years before current fiscal year     51
Term loan by origination four years before current fiscal year     44
Prior 169   169   131
Total 233   233   339
Consumer | Performing          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Term loan by origination current fiscal year 54   54   21
Term loan by origination fiscal year before current fiscal year 8   8   11
Term loan by origination two years before current fiscal year 2   2   81
Term loan by origination three years before current fiscal year     51
Term loan by origination four years before current fiscal year     44
Prior 169   169   131
Total $ 233   $ 233   $ 339