v3.25.4
Loans - Summary of Activity in the Allowance for Credit Losses by Segment (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]          
Balance, beginning of period $ 4,356 $ 3,359 $ 4,151 $ 3,451 $ 3,451
Balance, beginning of period 391 1,077 1,186 1,188 1,188
Provision (benefit) for credit losses 38 0 (757) (111)  
Provision (benefit) for credit losses 350 238 825 1,511  
Loans charged-off (310)   (580) (1,365)  
Recoveries   38   38  
Allowance for individually evaluated loans         270
Allowance for collectively evaluated loans 4,396   4,396   3,881
Individually evaluated loans 3,624   3,624   2,177
Collectively evaluated loans 799,496   799,496   751,933
Total loans 803,120   803,120   754,110
Total allowance for credit losses 4,396 3,635 4,396 3,635 4,151
Balance, end of period 4,396 3,635 4,396 3,635 4,151
Balance, end of period 429 1,077 429 1,077 1,186
Residential real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 1,558 1,349 1,510 1,292 1,292
Balance, beginning of period 2 38 60 47 47
Provision (benefit) for credit losses 1 0 (57) (9)  
Provision (benefit) for credit losses 23 16 71 73  
Allowance for collectively evaluated loans 1,581   1,581   1,510
Individually evaluated loans 538   538   741
Collectively evaluated loans 367,961   367,961   357,007
Total loans 368,499   368,499   357,748
Total allowance for credit losses 1,581 1,365 1,581 1,365 1,510
Balance, end of period 1,581 1,365 1,581 1,365 1,510
Balance, end of period 3 38 3 38 60
Commercial real estate          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 782 444 579 485 485
Balance, beginning of period 5 6 16 9 9
Provision (benefit) for credit losses   0 (11) (3)  
Provision (benefit) for credit losses 41 68 244 112  
Loans charged-off   0   (85) (85)
Allowance for collectively evaluated loans 823   823   579
Individually evaluated loans 1,166   1,166   1,166
Collectively evaluated loans 104,522   104,522   101,104
Total loans 105,688   105,688   102,270
Total allowance for credit losses 823 512 823 512 579
Balance, end of period 823 512 823 512 579
Balance, end of period 5 6 5 6 16
Multi - family          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 1,109 680 944 710 710
Balance, beginning of period 1 10 25 14 14
Provision (benefit) for credit losses 68 0 44 (4)  
Provision (benefit) for credit losses 29 51 194 21  
Allowance for collectively evaluated loans 1,138   1,138   944
Collectively evaluated loans 191,081   191,081   166,691
Total loans 191,081   191,081   166,691
Total allowance for credit losses 1,138 731 1,138 731 944
Balance, end of period 1,138 731 1,138 731 944
Balance, end of period 69 10 69 10 25
Construction          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 767 720 705 778 778
Balance, beginning of period 315 1,005 1,067 937 937
Provision (benefit) for credit losses (39) 0 (791) 68  
Provision (benefit) for credit losses 171 86 233 28  
Loans charged-off (310)   (310)    
Allowance for collectively evaluated loans 628   628   705
Individually evaluated loans 1,920   1,920    
Collectively evaluated loans 102,916   102,916   95,941
Total loans 104,836   104,836   95,941
Total allowance for credit losses 628 806 628 806 705
Balance, end of period 628 806 628 806 705
Balance, end of period 276 1,005 276 1,005 1,067
Home Equity          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 102 101 113 102 102
Balance, beginning of period 63 3 4 4 4
Provision (benefit) for credit losses 8 0 67 (1)  
Provision (benefit) for credit losses 14 1 3    
Allowance for collectively evaluated loans 116   116   113
Collectively evaluated loans 28,805   28,805   26,786
Total loans 28,805   28,805   26,786
Total allowance for credit losses 116 102 116 102 113
Balance, end of period 116 102 116 102 113
Balance, end of period 71 3 71 3 4
Commercial          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 37 30 298 39 39
Balance, beginning of period 5 15 14 16 16
Provision (benefit) for credit losses   0 (9) (1)  
Provision (benefit) for credit losses   8 9 1,279  
Loans charged-off     (270) (1,280) (1,330)
Recoveries       38  
Allowance for individually evaluated loans         270
Allowance for collectively evaluated loans 37   37   28
Individually evaluated loans         270
Collectively evaluated loans 3,991   3,991   4,065
Total loans 3,991   3,991   4,335
Total allowance for credit losses 37 76 37 76 298
Balance, end of period 37 76 37 76 298
Balance, end of period 5 15 5 15 14
Consumer          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period 1 5 2 9 9
Provision (benefit) for credit losses     (1) (4)  
Allowance for collectively evaluated loans 1   1   2
Collectively evaluated loans 220   220   339
Total loans 220   220   339
Total allowance for credit losses 1 5 1 5 2
Balance, end of period 1 5 1 5 2
Unallocated          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Balance, beginning of period   30   36 36
Balance, beginning of period       161 $ 161
Provision (benefit) for credit losses   0   (161)  
Provision (benefit) for credit losses 72 8 72 2  
Allowance for collectively evaluated loans 72   72    
Total allowance for credit losses 72 38 72 38  
Balance, end of period $ 72 38 $ 72 38  
Balance, end of period   $ 0   $ 0