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Employee Stock Ownership (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands | 12 Months Ended
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Mar. 31, 2022 | Mar. 31, 2022 | Mar. 31, 2021 | Mar. 31, 2020
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract] |  |  |  |
ESOP shares allocated or available to be allocated to participants' accounts | 190 | 190 | 216 |
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items] |  |  |  |
Deferred Compensation Arrangement with Individual, Compensation Expense | $ 0 | $ 970 | $ 0 | $ 0

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- Definition The compensation expense recognized during the period pertaining to the deferred compensation arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=120381028&loc=d3e5047-113901 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 710 -SubTopic 10 -Section 30 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6409875&loc=d3e20015-108363 + 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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