Commitments and Contingent Liabilities - Credit-related Financial Instruments with Off-Balance Sheet Risk (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Jun. 30, 2024
Financing Receivable, Past Due [Line Items]
Total credit-related financial instruments with off-balance sheet risk	$ 253,341	$ 207,896
Unfunded Loan Commitments [Member]
Financing Receivable, Past Due [Line Items]
Total credit-related financial instruments with off-balance sheet risk	145,500	107,966
Unused Lines of Credit [Member]
Financing Receivable, Past Due [Line Items]
Total credit-related financial instruments with off-balance sheet risk	107,048	99,176
Standby Letters of Credit [Member]
Financing Receivable, Past Due [Line Items]
Total credit-related financial instruments with off-balance sheet risk	$ 793	$ 754