Premises and Equipment - Operating lease costs and supplemental disclosures of cash flow information (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2023
Operating lease costs classified as occupancy and equipment expense (includes short-term lease costs)	$ 1,192	$ 1,215
ROU assets obtained in exchange for operating lease obligations:	322	2,332	$ 216
Supplemental Disclosures Of Cash Flow Information | Cash paid for amounts included in the measurement of lease liabilities
Operating cash flows from operating leases	$ 760	840
ROU assets obtained in exchange for operating lease obligations:		$ 2,445