v3.25.2
Loans and Allowance for Credit Losses - Nonaccrual with no Allowance for Credit Losses and Nonaccrual Loans (Detail) - USD ($)
$ in Thousands
Jun. 30, 2025
Jun. 30, 2024
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses $ 0 $ 0
Nonaccrual 17 150
One- to four-family [Member]    
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses 0 0
Nonaccrual 0 0
Multi-family [Member]    
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses 0 0
Nonaccrual 0 0
Home equity lines of credit [Member]    
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses 0 0
Nonaccrual 0 0
Construction loans [Member]    
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses 0 0
Nonaccrual 0 0
Consumer loans [Member]    
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses 0 0
Nonaccrual 17 0
Commercial [Member]    
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses 0 0
Nonaccrual 0 150
Commercial business loans [Member]    
Mortgages on real estate:    
Nonaccrual with no Allowance for Credit Losses 0 0
Nonaccrual $ 0 $ 0