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Fair Value of Financial Instruments - Schedule of Assets and Liabilities Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | Jun. 30, 2024 | Jun. 30, 2023
--- | --- | ---
Assets: |  |
Investment securities available for sale | $ 1,072,833 | $ 1,227,729
Interest rate contracts | 54,362 | 71,624
Total assets | 1,127,195 | 1,299,353
Debt securities: |  |
Assets: |  |
Investment securities available for sale | 601,780 | 648,184
Asset-backed securities |  |
Assets: |  |
Investment securities available for sale | 80,440 | 136,170
Collateralized loan obligations |  |
Assets: |  |
Investment securities available for sale | 389,543 | 376,996
Corporate bonds |  |
Assets: |  |
Investment securities available for sale | 131,797 | 135,018
Mortgage-backed securities: |  |
Assets: |  |
Investment securities available for sale | 471,053 | 579,545
Residential pass-through securities |  |
Assets: |  |
Investment securities available for sale | 337,264 | 436,151
Commercial pass-through securities |  |
Assets: |  |
Investment securities available for sale | 133,789 | 143,394
Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Interest rate contracts | 0 | 0
Total assets | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Debt securities: |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Asset-backed securities |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Collateralized loan obligations |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Corporate bonds |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Mortgage-backed securities: |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Residential pass-through securities |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Quoted Prices in Active Markets for Identical Assets (Level 1) | Commercial pass-through securities |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Significant Other Observable Inputs (Level 2) |  |
Assets: |  |
Investment securities available for sale | 1,072,833 | 1,227,729
Interest rate contracts | 54,362 | 71,624
Total assets | 1,127,195 | 1,299,353
Significant Other Observable Inputs (Level 2) | Debt securities: |  |
Assets: |  |
Investment securities available for sale | 601,780 | 648,184
Significant Other Observable Inputs (Level 2) | Asset-backed securities |  |
Assets: |  |
Investment securities available for sale | 80,440 | 136,170
Significant Other Observable Inputs (Level 2) | Collateralized loan obligations |  |
Assets: |  |
Investment securities available for sale | 389,543 | 376,996
Significant Other Observable Inputs (Level 2) | Corporate bonds |  |
Assets: |  |
Investment securities available for sale | 131,797 | 135,018
Significant Other Observable Inputs (Level 2) | Mortgage-backed securities: |  |
Assets: |  |
Investment securities available for sale | 471,053 | 579,545
Significant Other Observable Inputs (Level 2) | Residential pass-through securities |  |
Assets: |  |
Investment securities available for sale | 337,264 | 436,151
Significant Other Observable Inputs (Level 2) | Commercial pass-through securities |  |
Assets: |  |
Investment securities available for sale | 133,789 | 143,394
Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Interest rate contracts | 0 | 0
Total assets | 0 | 0
Significant Unobservable Inputs (Level 3) | Debt securities: |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Asset-backed securities |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Collateralized loan obligations |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Corporate bonds |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Mortgage-backed securities: |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Residential pass-through securities |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Significant Unobservable Inputs (Level 3) | Commercial pass-through securities |  |
Assets: |  |
Investment securities available for sale | 0 | 0
Interest rate contracts |  |
Assets: |  |
Interest rate contracts | 54,362 | 71,624
Interest rate contracts | Quoted Prices in Active Markets for Identical Assets (Level 1) |  |
Assets: |  |
Interest rate contracts | 0 | 0
Interest rate contracts | Significant Other Observable Inputs (Level 2) |  |
Assets: |  |
Interest rate contracts | 54,362 | 71,624
Interest rate contracts | Significant Unobservable Inputs (Level 3) |  |
Assets: |  |
Interest rate contracts | $ 0 | $ 0

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