Premises and Equipment - Components (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Jun. 30, 2022
Property, Plant and Equipment [Line Items]
Gross value	$ 13,189	$ 16,523
Accumulated depreciation	(4,135)	(4,827)
Net book value	9,054	11,696
Land
Property, Plant and Equipment [Line Items]
Gross value	1,778	2,156
Office buildings and improvements
Property, Plant and Equipment [Line Items]
Gross value	9,080	11,769
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Gross value	2,273	2,540
Automobiles
Property, Plant and Equipment [Line Items]
Gross value	$ 58	$ 58