Amount of restricted net assets of consolidated and unconsolidated subsidiaries as of the end of the most recently completed fiscal year.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 235
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08(e)(3)(ii))
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147480678/235-10-S99-1

Name:	us-gaap_AmountOfRestrictedNetAssetsForConsolidatedAndUnconsolidatedSubsidiaries
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Statutory Financial Information of Insurance Subsidiaries (Narratives) (Details) - USD ($) $ in Millions	Mar. 31, 2024	Mar. 31, 2023
Statutory financial information of insurance subsidiaries:
Statutory accounting practices, statutory amount available for dividend payments	$ 34.2
Operating Segments [Member] \| Life Insurance [Member]
Statutory financial information of insurance subsidiaries:
Restricted net assets, subsidiaries		$ 95.8