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Off-Balance Sheet Financial Instruments and Guarantees (Schedule of Fair Value, Off-balance Sheet Risks) (Details) - USD ($) $ in Thousands | Mar. 31, 2023 | Mar. 31, 2022
--- | --- | ---
Loss Contingencies [Line Items] |  |
Financial instrument commitments | $ 274,647 | $ 224,760
Commitments to Grant Loans [Member] |  |
Loss Contingencies [Line Items] |  |
Financial instrument commitments | 92,602 | 82,444
Unfunded Commitments Under Lines of Credit [Member] |  |
Loss Contingencies [Line Items] |  |
Financial instrument commitments | 166,507 | 136,710
Standby Letters of Credit [Member] |  |
Loss Contingencies [Line Items] |  |
Financial instrument commitments | $ 15,538 | $ 5,606

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- Definition The fair value of financial liabilities, which are not recognized in the financial statements (off-balance sheet) because they fail to meet some other criterion for recognition. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -URI https://asc.fasb.org/extlink&oid=123594938&loc=d3e13433-108611 + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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