Employee Stock Ownership (Narrative) (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
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

The compensation expense recognized during the period pertaining to the deferred compensation arrangement.

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

Name:	us-gaap_DeferredCompensationArrangementWithIndividualCompensationExpense
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration