Premises and Equipment - Components (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Jun. 30, 2023
Property, Plant and Equipment [Line Items]
Gross value	$ 11,707	$ 13,189
Accumulated depreciation	(4,355)	(4,135)
Net book value	7,352	9,054
Land
Property, Plant and Equipment [Line Items]
Gross value	1,441	1,778
Office buildings and improvements
Property, Plant and Equipment [Line Items]
Gross value	7,904	9,080
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Gross value	2,304	2,273
Automobiles
Property, Plant and Equipment [Line Items]
Gross value	$ 58	$ 58