v3.26.1
Loans - Summary of Activity in the Allowance for Credit Losses and Total Loans, by Loan Segment (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]          
Balance, beginning of period $ 4,396 $ 3,635 $ 4,151 $ 3,451 $ 3,451
Balance, beginning of period 429 1,077 1,186 1,188 1,188
Provision (benefit) for credit losses 172 36 (585) (147)  
Provision (benefit) for credit losses 153 15 978 1,526  
Loans charged-off (12)   (592) (1,415)  
Recoveries       38  
Allowance for individually evaluated loans         270
Allowance for collectively evaluated loans 4,537   4,537   3,881
Individually evaluated loans 1,667   1,667   2,177
Collectively evaluated loans 841,870   841,870   751,933
Total loans 843,537   843,537   754,110
Total allowance for credit losses 4,537 3,600 4,537 3,600 4,151
Balance, end of period 4,537 3,600 4,537 3,600 4,151
Balance, end of period 601 1,041 601 1,041 1,186
Residential real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 1,581 1,365 1,510 1,292 1,292
Balance, beginning of period 3 38 60 47 47
Provision (benefit) for credit losses 1 29 (56) (20)  
Provision (benefit) for credit losses 73 54 144 127  
Allowance for collectively evaluated loans 1,654   1,654   1,510
Individually evaluated loans 501   501   741
Collectively evaluated loans 388,984   388,984   357,007
Total loans 389,485   389,485   357,748
Total allowance for credit losses 1,654 1,419 1,654 1,419 1,510
Balance, end of period 1,654 1,419 1,654 1,419 1,510
Balance, end of period 4 67 4 67 60
Commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 823 512 579 485 485
Balance, beginning of period 5 6 16 9 9
Provision (benefit) for credit losses   38 (11) (35)  
Provision (benefit) for credit losses (64) 35 180 147  
Loans charged-off       (85) (85)
Allowance for collectively evaluated loans 759   759   579
Individually evaluated loans 1,166   1,166   1,166
Collectively evaluated loans 107,349   107,349   101,104
Total loans 108,515   108,515   102,270
Total allowance for credit losses 759 547 759 547 579
Balance, end of period 759 547 759 547 579
Balance, end of period 5 44 5 44 16
Multi - family          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 1,138 731 944 710 710
Balance, beginning of period 69 10 25 14 14
Provision (benefit) for credit losses 63 55 19 (51)  
Provision (benefit) for credit losses 188 71 382 92  
Allowance for collectively evaluated loans 1,326   1,326   944
Collectively evaluated loans 216,340   216,340   166,691
Total loans 216,340   216,340   166,691
Total allowance for credit losses 1,326 802 1,326 802 944
Balance, end of period 1,326 802 1,326 802 944
Balance, end of period 6 65 6 65 25
Construction          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 628 806 705 778 778
Balance, beginning of period 276 1,005 1,067 937 937
Provision (benefit) for credit losses (242) 157 (549) 89  
Provision (benefit) for credit losses 35 (113) 268 85  
Loans charged-off (12)   (322)    
Allowance for collectively evaluated loans 651   651   705
Collectively evaluated loans 95,803   95,803   95,941
Total loans 95,803   95,803   95,941
Total allowance for credit losses 651 693 651 693 705
Balance, end of period 651 693 651 693 705
Balance, end of period 518 848 518 848 1,067
Home Equity          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 116 102 113 102 102
Balance, beginning of period 71 3 4 4 4
Provision (benefit) for credit losses 7 2 60 (1)  
Provision (benefit) for credit losses (9) 6 6 6  
Allowance for collectively evaluated loans 107   107   113
Collectively evaluated loans 29,034   29,034   26,786
Total loans 29,034   29,034   26,786
Total allowance for credit losses 107 108 107 108 113
Balance, end of period 107 108 107 108 113
Balance, end of period 64 5 64 5 4
Commercial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 37 76 298 39 39
Balance, beginning of period 5 15 14 16 16
Provision (benefit) for credit losses 1 3 (10) (4)  
Provision (benefit) for credit losses 2 3 11 1,282  
Loans charged-off   (50) (270) (1,330) (1,330)
Recoveries       38  
Allowance for individually evaluated loans         270
Allowance for collectively evaluated loans 39   39   28
Individually evaluated loans         270
Collectively evaluated loans 4,127   4,127   4,065
Total loans 4,127   4,127   4,335
Total allowance for credit losses 39 29 39 29 298
Balance, end of period 39 29 39 29 298
Balance, end of period 4 12 4 12 14
Consumer          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 1 5 2 9 9
Provision (benefit) for credit losses   (3) (1) (7)  
Allowance for collectively evaluated loans 1   1   2
Collectively evaluated loans 233   233   339
Total loans 233   233   339
Total allowance for credit losses 1 2 1 2 2
Balance, end of period 1 2 $ 1 2 2
Unallocated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 72 38   36 36
Balance, beginning of period   0   161 $ 161
Provision (benefit) for credit losses   0   (161)  
Provision (benefit) for credit losses $ (72) (38)   36  
Total allowance for credit losses   0   0  
Balance, end of period   $ 0   $ 0