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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, 2024	Mar. 31, 2023
Loss Contingencies [Line Items]
Financial instrument commitments	$ 242,054	$ 274,647
Commitments to Grant Loans [Member]
Loss Contingencies [Line Items]
Financial instrument commitments	82,423	92,602
Unfunded Commitments Under Lines of Credit [Member]
Loss Contingencies [Line Items]
Financial instrument commitments	152,505	166,507
Standby Letters of Credit [Member]
Loss Contingencies [Line Items]
Financial instrument commitments	$ 7,126	$ 15,538

X

- 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
-Topic 825
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147482907/825-10-50-10

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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

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 460
-SubTopic 10
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-Section 50
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