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Off-Balance Sheet Financial Instruments (Schedule of Fair Value, Off-balance Sheet Risks) (Details) - USD ($) $ in Thousands | Mar. 31, 2025 | Mar. 31, 2024
--- | --- | ---
Loss Contingencies [Line Items] |  |
Financial instrument commitments | $ 252,522 | $ 242,054
Commitments to Grant Loans [Member] |  |
Loss Contingencies [Line Items] |  |
Financial instrument commitments | 94,161 | 82,423
Unfunded Commitments Under Lines of Credit [Member] |  |
Loss Contingencies [Line Items] |  |
Financial instrument commitments | 151,339 | 152,505
Standby Letters of Credit [Member] |  |
Loss Contingencies [Line Items] |  |
Financial instrument commitments | $ 7,022 | $ 7,126

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