Fair Value Measurements Text Tag (Details) $ in Thousands	6 Months Ended
Sep. 30, 2023 USD ($)	Mar. 31, 2023 USD ($)
Fair Value Disclosures [Abstract]
Percent of Total Assets Level 3	0.02%
Transfers between level 1 and level 2	0
Mortgage Loans in Process of Foreclosure, Amount	$ 2,900	$ 5,600

Recorded investment of consumer mortgage loan receivables secured by residential real estate properties for which formal foreclosure proceedings are in process.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 50
-Paragraph 35
-SubTopic 10
-Topic 310
-Publisher FASB
-URI https://asc.fasb.org//1943274/2147481962/310-10-50-35

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