v3.26.1
Fair Value of Financial Instruments - Schedule of Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Jun. 30, 2025
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Investment securities available for sale $ 964,369 $ 1,012,969
Investment securities held to maturity 106,814 120,217
Loans held-for-sale 6,022 5,931
Net loans receivable 5,829,829 5,766,746
Interest receivable 27,875 28,098
Interest rate contracts $ 12,678 $ 16,745
Derivative Asset, Statement of Financial Position [Extensible Enumeration] Other assets Other assets
Interest payable on deposits $ 2,805 $ 3,549
Interest payable on borrowings 4,146 3,455
Interest rate contracts 0 5,149
Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents 114,823 167,269
Investment securities available for sale 0 0
Investment securities held to maturity 0 0
Loans held-for-sale 0 0
Net loans receivable 0 0
FHLB Stock 0 0
Interest receivable 24 40
Interest rate contracts 0 0
Borrowings 0 0
Interest payable on deposits 654 1,710
Interest payable on borrowings 0 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Deposits other than certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 3,768,949 3,698,643
Quoted Prices in Active Markets for Identical Assets (Level 1) | Certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 0 0
Significant Other Observable Inputs (Level 2)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Investment securities available for sale 964,369 1,012,969
Investment securities held to maturity 95,005 106,712
Loans held-for-sale 6,082 6,069
Net loans receivable 0 0
FHLB Stock 0 0
Interest receivable 5,815 6,930
Interest rate contracts 12,678 16,745
Borrowings 0 0
Interest payable on deposits 0 0
Interest payable on borrowings 0 0
Significant Other Observable Inputs (Level 2) | Deposits other than certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 0 0
Significant Other Observable Inputs (Level 2) | Certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 0 0
Significant Unobservable Inputs (Level 3)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents 0 0
Investment securities available for sale 0 0
Investment securities held to maturity 0 0
Loans held-for-sale 0 0
Net loans receivable 5,520,603 5,309,760
FHLB Stock 0 0
Interest receivable 22,036 21,128
Interest rate contracts 0 0
Borrowings 1,149,254 1,257,269
Significant Unobservable Inputs (Level 3) | Deposits other than certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 0 0
Significant Unobservable Inputs (Level 3) | Certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 1,934,550 1,970,863
Carrying Amount    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents 114,823 167,269
Investment securities available for sale 964,369 1,012,969
Investment securities held to maturity 106,814 120,217
Loans held-for-sale 6,022 5,931
Net loans receivable 5,829,829 5,766,746
FHLB Stock 59,726 64,261
Interest receivable 27,875 28,098
Interest rate contracts 12,678 16,745
Borrowings 1,150,000 1,256,491
Interest payable on deposits 3,459 5,259
Interest payable on borrowings 4,146 3,455
Interest rate contracts   5,149
Carrying Amount | Deposits other than certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 3,768,949 3,698,643
Carrying Amount | Certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 1,940,676 1,976,574
Fair Value    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Cash and cash equivalents 114,823 167,269
Investment securities available for sale 964,369 1,012,969
Investment securities held to maturity 95,005 106,712
Loans held-for-sale 6,082 6,069
Net loans receivable 5,520,603 5,309,760
FHLB Stock 0 0
Interest receivable 27,875 28,098
Interest rate contracts 12,678 16,745
Borrowings 1,149,254 1,257,269
Interest payable on deposits 3,459 5,259
Interest payable on borrowings 4,146 3,455
Interest rate contracts   5,149
Fair Value | Deposits other than certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits 3,768,949 3,698,643
Fair Value | Certificates of deposits    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Deposits $ 1,934,550 1,970,863
Fair Value | Quoted Prices in Active Markets for Identical Assets (Level 1)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Interest rate contracts   0
Fair Value | Significant Other Observable Inputs (Level 2)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Interest rate contracts   5,149
Fair Value | Significant Unobservable Inputs (Level 3)    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items]    
Interest rate contracts   $ 0