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Loans Receivable and ACL Text Tags (Details)	3 Months Ended
Loans Receivable and ACL Text Tags (Details)	Jun. 30, 2025 USD ($)	Jun. 30, 2024 USD ($)	Mar. 31, 2025 USD ($)
Loans and Leases Receivable Disclosure [Abstract]
Unamortized premiums, deferred costs and fees, net	$ (2,500,000)		$ (2,600,000)
Financing Receivable, Nonaccrual, Interest Income	0
Other Real Estate Owned	$ 52,000		$ 52,000
Number of Real Estate Properties	1		1
Financing Receivable, Held-for-Sale	$ 0		$ 0
Financing Receivable, Modified, Subsequent Default	0	$ 0
Financing Receivable, Modified in Period, Amount	0	$ 0
Loans and Leases Receivable, Related Parties	0
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Accumulated	6,100,000
Nonperforming
Financing Receivable, Modified [Line Items]
Financing Receivable, Modified, Accumulated	$ 372,000
Performing
Financing Receivable, Modified [Line Items]
Financing Receivable, Modifications, Number of Contracts	3
Financing Receivable, Modified, Accumulated	$ 5,700,000
Consumer
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Purchase	$ 3,500,000