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Fair Value Measurements and Fair Value of Financial Instruments - Fair Value Measurements for Loans Evaluated Individually and Foreclosed Real Estate (Details) - Level 3 [Member] - USD ($) $ in Thousands | Jun. 30, 2025 | Jun. 30, 2024
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Carrying Amount [Member] |  |
Assets Measured at Fair Value on Nonrecurring Basis [Abstract] |  |
Loans evaluated individually | $ 751 | $ 1,405
Estimated Fair Value [Member] |  |
Assets Measured at Fair Value on Nonrecurring Basis [Abstract] |  |
Loans evaluated individually | $ 202 | $ 662

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