Premises and Equipment - Components (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Jun. 30, 2021
Property, Plant and Equipment [Line Items]
Gross value	$ 16,523	$ 17,991
Accumulated depreciation	(4,827)	(4,552)
Net book value	11,696	13,439
Land
Property, Plant and Equipment [Line Items]
Gross value	2,156	2,581
Office buildings and improvements
Property, Plant and Equipment [Line Items]
Gross value	11,769	12,932
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Gross value	2,540	2,428
Automobiles
Property, Plant and Equipment [Line Items]
Gross value	$ 58	$ 50