v3.25.2
Loans Receivable - Troubled Debt Restructurings of Loans Receivable (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jun. 30, 2025
Jun. 30, 2024
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 33,930 $ 4,635
Payment Deferral    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 31,348 3,779
Extended Maturity    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 0 856
Payment delay, term extension, and interest rate reductions    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 2,582 0
Commercial Loan | Multi-family mortgage    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 33,717 $ 2,774
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percent 1.24% 0.10%
Commercial Loan | Multi-family mortgage | Payment Deferral    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 31,135 $ 2,774
Commercial Loan | Multi-family mortgage | Extended Maturity    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 0 0
Commercial Loan | Multi-family mortgage | Payment delay, term extension, and interest rate reductions    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 2,582 0
Commercial Loan | Nonresidential mortgage    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 169 $ 786
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percent 0.02% 0.08%
Commercial Loan | Nonresidential mortgage | Payment Deferral    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 169 $ 0
Commercial Loan | Nonresidential mortgage | Extended Maturity    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 0 786
Commercial Loan | Nonresidential mortgage | Payment delay, term extension, and interest rate reductions    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 0 0
Commercial Loan | Commercial business    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 44 $ 45
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percent 0.03% 0.03%
Commercial Loan | Commercial business | Payment Deferral    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 44 $ 45
Commercial Loan | Commercial business | Extended Maturity    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount 0 0
Commercial Loan | Commercial business | Payment delay, term extension, and interest rate reductions    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount $ 0 0
One- to four-family residential mortgage    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   1,005
One- to four-family residential mortgage | Payment Deferral    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   960
One- to four-family residential mortgage | Extended Maturity    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   45
One- to four-family residential mortgage | Payment delay, term extension, and interest rate reductions    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   $ 0
One- to four-family residential mortgage | Commercial business    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percent   0.06%
Consumer Loan | Home equity loans    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   $ 25
Financing receivable, excluding accrued interest, modified in period, to total financing receivables, percent   0.06%
Consumer Loan | Home equity loans | Payment Deferral    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   $ 0
Consumer Loan | Home equity loans | Extended Maturity    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   25
Consumer Loan | Home equity loans | Payment delay, term extension, and interest rate reductions    
Financing Receivable Modifications [Line Items]    
Financing receivable, excluding accrued interest, modified in period, amount   $ 0