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Fair Value Measurements - Losses Recognized on Assets Measured on a Nonrecurring Basis (Details) - Fair Value, Nonrecurring - USD ($) $ in Thousands | 12 Months Ended
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Jun. 30, 2025 | Jun. 30, 2024
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total (gains) losses on assets measured on a non-recurring basis | $ (45) | $ 74
Foreclosed and repossessed assets held for sale |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Total (gains) losses on assets measured on a non-recurring basis | $ (45) | $ 74

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