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Fair Value of Financial Instruments - Schedule of Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Jun. 30, 2023
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Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Investment securities available for sale | $ 1,072,833 | $ 1,227,729
Investment securities held to maturity | 135,742 | 146,465
Loans held-for-sale | 6,036 | 9,591
Net loans receivable | 5,687,848 | 5,780,687
Interest receivable | $ 29,521 | 28,133
Derivative Asset, Statement of Financial Position [Extensible Enumeration] | Other assets |
Interest rate contracts | $ 54,362 | 71,624
Interest payable on deposits | 2,265 | 4,893
Interest payable on borrowings | 7,784 | 5,282
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 | 63,864 | 70,515
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 | 11 | 14
Interest rate contracts | 0 | 0
Borrowings | 0 | 0
Interest payable on deposits | 3,397 | 1,933
Interest payable on borrowings | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Deposits |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Deposits | 3,550,762 | 3,611,632
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 | 1,072,833 | 1,227,729
Investment securities held to maturity | 119,278 | 131,169
Loans held-for-sale | 6,077 | 9,442
Net loans receivable | 0 | 0
FHLB Stock | 0 | 0
Interest receivable | 8,986 | 8,924
Interest rate contracts | 54,362 | 71,624
Borrowings | 0 | 0
Interest payable on deposits | 0 | 0
Interest payable on borrowings | 0 | 0
Significant Other Observable Inputs (Level 2) | 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 | 5,114,459 | 5,261,808
FHLB Stock | 0 | 0
Interest receivable | 20,524 | 19,195
Interest rate contracts | 0 | 0
Borrowings | 1,703,924 | 1,498,920
Significant Unobservable Inputs (Level 3) | 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 | 1,597,939 | 1,989,434
Carrying Amount |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 63,864 | 70,515
Investment securities available for sale | 1,072,833 | 1,227,729
Investment securities held to maturity | 135,742 | 146,465
Loans held-for-sale | 6,036 | 9,591
Net loans receivable | 5,687,848 | 5,780,687
FHLB Stock | 80,300 | 71,734
Interest receivable | 29,521 | 28,133
Interest rate contracts | 54,362 | 71,624
Borrowings | 1,709,789 | 1,506,812
Interest payable on deposits | 5,662 | 6,826
Interest payable on borrowings | 7,784 | 5,282
Carrying Amount | Deposits |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Deposits | 3,550,762 | 3,611,632
Carrying Amount | Certificates of deposits |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Deposits | 1,607,361 | 2,017,551
Fair Value |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Cash and cash equivalents | 63,864 | 70,515
Investment securities available for sale | 1,072,833 | 1,227,729
Investment securities held to maturity | 119,278 | 131,169
Loans held-for-sale | 6,077 | 9,442
Net loans receivable | 5,114,459 | 5,261,808
FHLB Stock | 0 | 0
Interest receivable | 29,521 | 28,133
Interest rate contracts | 54,362 | 71,624
Borrowings | 1,703,924 | 1,498,920
Interest payable on deposits | 5,662 | 6,826
Interest payable on borrowings | 7,784 | 5,282
Fair Value | Deposits |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Deposits | 3,550,762 | 3,611,632
Fair Value | Certificates of deposits |  |
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Line Items] |  |
Deposits | $ 1,597,939 | $ 1,989,434

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