Employee Benefit Plans (Shares Held by the ESOP Plan) (Details) - shares shares in Thousands	Mar. 31, 2024	Mar. 31, 2023
Common Stock [Member]
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]
Allocated shares	777	836
Nonvoting Common Stock [Member]
Employee Stock Ownership Plan (ESOP), Shares in ESOP [Abstract]
Allocated shares	7,778	7,821

The shares or units in an ESOP trust that have been assigned to individual participant accounts based on a known formula. IRS rules require allocations to be nondiscriminatory generally based on compensation, length of service, or a combination of both. For any particular participant such shares or units may be vested, unvested, or partially vested.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 718
-SubTopic 40
-Section 50
-Paragraph 1
-Subparagraph (d)
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480489/718-40-50-1

Name:	us-gaap_EmployeeStockOwnershipPlanESOPNumberOfAllocatedShares
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant